Adaptec SCSI oddity

DISCUSSION Nathan Scott 2 participants 3 messages Dec 7, 2004 SCSI

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Nathan Scott

author

2004-12-07 02:26 UTC #0 lore raw

Hi there,

Can anyone provide some insight into what's going on here? Christoph suggested I ask here; I've also tried out Linus' current -bk tree (2.6.10-rc3) without luck, same problem.

I'm happy to try out patches, etc.

thanks!

----- Forwarded message from Nathan Scott <[email protected]> -----

Date: Mon, 6 Dec 2004 13:13:48 +1100
To: [email protected], [email protected]
User-Agent: Mutt/1.5.3i
From: Nathan Scott <[email protected]>
Subject: SCSI oddity

Hi guys,

We recently got an ia32 machine for XFS performance testing which has 2 Adaptec SCSI disk drives. Not sure exactly which model(s) yet. When I boot sles9-sp1 and/or 2.6.9 vanilla, bootup takes ages because of some kind of probing of these devices. Once that is finally done, the drives perform terribly ... I can't get >3MB/s out of them. It seems this probing has something to do with it, looks like its trying to select some default parameters? Have you seen anything like this before? Here's dmesg, proc/scsi, etc if it helps.. any tips on how to fix this?

(the user/curr/goal stuff in the /proc dump below seems to show the wierdness -- user=320,curr/goal=3.3? what is that?)

I also have a couple of local IDE disks, and they consistently hit around 50-55MB/sec (all measurements here are just raw device direct reads, using a 64k buffer size).

thanks!

Signature · 455 lines

Nathan


Loading kernel/dSCSI subsystem initialized
rivers/scsi/scsi_mod.ko 
Loading kernel/drivers/scsi/sd_mACPI: PCI interrupt 0000:04:04.0[A] -> GSI 50 (level, low) -> IRQ 50
od.ko
Loading kernel/drivers/scsi/aic7xxx/aic79xx.ko
ACPI: PCI interrupt 0000:04:04.1[B] -> GSI 51 (level, low) -> IRQ 51
scsi0 : Adaptec AIC79XX PCI-X SCSI HBA DRIVER, Rev 1.3.11
        <Adaptec AIC7902 Ultra320 SCSI adapter>
        aic7902: Ultra320 Wide Channel A, SCSI Id=7, PCI 33 or 66Mhz, 512 SCBs

(scsi0:A:0): 320.000MB/s transfers (160.000MHz DT|IU|QAS, 16bit)
(scsi0:A:0): 160.000MB/s transfers (80.000MHz DT|IU|QAS, 16bit)
(scsi0:A:0): 160.000MB/s transfers (80.000MHz DT, 16bit)
(scsi0:A:0): 80.000MB/s transfers (40.000MHz DT, 16bit)
(scsi0:A:0): 80.000MB/s transfers (40.000MHz, 16bit)
(scsi0:A:0): 66.006MB/s transfers (33.003MHz DT, 16bit)
(scsi0:A:0): 66.006MB/s transfers (33.003MHz, 16bit)
(scsi0:A:0): 40.000MB/s transfers (20.000MHz DT, 16bit)
(scsi0:A:0): 40.000MB/s transfers (20.000MHz, 16bit)
(scsi0:A:0): 40.000MB/s transfers (40.000MHz)
(scsi0:A:0): 38.460MB/s transfers (19.230MHz DT, 16bit)
(scsi0:A:0): 38.460MB/s transfers (19.230MHz, 16bit)
(scsi0:A:0): 35.714MB/s transfers (17.857MHz DT, 16bit)
(scsi0:A:0): 35.714MB/s transfers (17.857MHz, 16bit)
(scsi0:A:0): 33.332MB/s transfers (16.666MHz DT, 16bit)
(scsi0:A:0): 33.332MB/s transfers (16.666MHz, 16bit)
(scsi0:A:0): 33.003MB/s transfers (33.003MHz)
(scsi0:A:0): 31.250MB/s transfers (15.625MHz DT, 16bit)
(scsi0:A:0): 31.250MB/s transfers (15.625MHz, 16bit)
(scsi0:A:0): 29.410MB/s transfers (14.705MHz DT, 16bit)
(scsi0:A:0): 29.410MB/s transfers (14.705MHz, 16bit)
(scsi0:A:0): 27.776MB/s transfers (13.888MHz DT, 16bit)
(scsi0:A:0): 27.776MB/s transfers (13.888MHz, 16bit)
(scsi0:A:0): 26.314MB/s transfers (13.157MHz DT, 16bit)
(scsi0:A:0): 26.314MB/s transfers (13.157MHz, 16bit)
(scsi0:A:0): 25.000MB/s transfers (12.500MHz DT, 16bit)
(scsi0:A:0): 25.000MB/s transfers (12.500MHz, 16bit)
(scsi0:A:0): 23.808MB/s transfers (11.904MHz DT, 16bit)
(scsi0:A:0): 23.808MB/s transfers (11.904MHz, 16bit)
(scsi0:A:0): 22.726MB/s transfers (11.363MHz DT, 16bit)
(scsi0:A:0): 22.726MB/s transfers (11.363MHz, 16bit)
(scsi0:A:0): 21.738MB/s transfers (10.869MHz DT, 16bit)
(scsi0:A:0): 21.738MB/s transfers (10.869MHz, 16bit)
(scsi0:A:0): 20.832MB/s transfers (10.416MHz DT, 16bit)
(scsi0:A:0): 20.832MB/s transfers (10.416MHz, 16bit)
(scsi0:A:0): 20.000MB/s transfers (10.000MHz DT, 16bit)
(scsi0:A:0): 20.000MB/s transfers (10.000MHz, 16bit)
(scsi0:A:0): 20.000MB/s transfers (20.000MHz)
(scsi0:A:0): 19.230MB/s transfers (9.615MHz, 16bit)
(scsi0:A:0): 19.230MB/s transfers (19.230MHz)
(scsi0:A:0): 18.518MB/s transfers (9.259MHz, 16bit)
(scsi0:A:0): 17.857MB/s transfers (17.857MHz)
(scsi0:A:0): 17.856MB/s transfers (8.928MHz, 16bit)
(scsi0:A:0): 17.240MB/s transfers (8.620MHz, 16bit)
(scsi0:A:0): 16.666MB/s transfers (8.333MHz, 16bit)
(scsi0:A:0): 16.666MB/s transfers (16.666MHz)
(scsi0:A:0): 16.128MB/s transfers (8.064MHz, 16bit)
(scsi0:A:0): 15.625MB/s transfers (15.625MHz)
(scsi0:A:0): 15.624MB/s transfers (7.812MHz, 16bit)
(scsi0:A:0): 15.150MB/s transfers (7.575MHz, 16bit)
(scsi0:A:0): 14.705MB/s transfers (14.705MHz)
(scsi0:A:0): 14.704MB/s transfers (7.352MHz, 16bit)
(scsi0:A:0): 14.284MB/s transfers (7.142MHz, 16bit)
(scsi0:A:0): 13.888MB/s transfers (6.944MHz, 16bit)
(scsi0:A:0): 13.888MB/s transfers (13.888MHz)
(scsi0:A:0): 13.512MB/s transfers (6.756MHz, 16bit)
(scsi0:A:0): 13.157MB/s transfers (13.157MHz)
(scsi0:A:0): 13.156MB/s transfers (6.578MHz, 16bit)
(scsi0:A:0): 12.820MB/s transfers (6.410MHz, 16bit)
(scsi0:A:0): 12.500MB/s transfers (6.250MHz, 16bit)
(scsi0:A:0): 12.500MB/s transfers (12.500MHz)
(scsi0:A:0): 12.194MB/s transfers (6.097MHz, 16bit)
(scsi0:A:0): 11.904MB/s transfers (5.952MHz, 16bit)
(scsi0:A:0): 11.904MB/s transfers (11.904MHz)
(scsi0:A:0): 11.626MB/s transfers (5.813MHz, 16bit)
(scsi0:A:0): 11.363MB/s transfers (11.363MHz)
(scsi0:A:0): 11.362MB/s transfers (5.681MHz, 16bit)
(scsi0:A:0): 11.110MB/s transfers (5.555MHz, 16bit)
(scsi0:A:0): 10.869MB/s transfers (10.869MHz)
(scsi0:A:0): 10.868MB/s transfers (5.434MHz, 16bit)
(scsi0:A:0): 10.638MB/s transfers (5.319MHz, 16bit)
(scsi0:A:0): 10.416MB/s transfers (5.208MHz, 16bit)
(scsi0:A:0): 10.416MB/s transfers (10.416MHz)
(scsi0:A:0): 10.204MB/s transfers (5.102MHz, 16bit)
(scsi0:A:0): 10.000MB/s transfers (5.000MHz, 16bit)
(scsi0:A:0): 10.000MB/s transfers (10.000MHz)
(scsi0:A:0): 6.600MB/s transfers (16bit)
(scsi0:A:0): 9.615MB/s transfers (9.615MHz)
(scsi0:A:0): 9.259MB/s transfers (9.259MHz)
(scsi0:A:0): 8.928MB/s transfers (8.928MHz)
(scsi0:A:0): 8.620MB/s transfers (8.620MHz)
(scsi0:A:0): 8.333MB/s transfers (8.333MHz)
(scsi0:A:0): 8.064MB/s transfers (8.064MHz)
(scsi0:A:0): 7.812MB/s transfers (7.812MHz)
(scsi0:A:0): 7.575MB/s transfers (7.575MHz)
(scsi0:A:0): 7.352MB/s transfers (7.352MHz)
(scsi0:A:0): 7.142MB/s transfers (7.142MHz)
(scsi0:A:0): 6.944MB/s transfers (6.944MHz)
(scsi0:A:0): 6.756MB/s transfers (6.756MHz)
(scsi0:A:0): 6.578MB/s transfers (6.578MHz)
(scsi0:A:0): 6.410MB/s transfers (6.410MHz)
(scsi0:A:0): 6.250MB/s transfers (6.250MHz)
(scsi0:A:0): 6.097MB/s transfers (6.097MHz)
(scsi0:A:0): 5.952MB/s transfers (5.952MHz)
(scsi0:A:0): 5.813MB/s transfers (5.813MHz)
(scsi0:A:0): 5.681MB/s transfers (5.681MHz)
(scsi0:A:0): 5.555MB/s transfers (5.555MHz)
(scsi0:A:0): 5.434MB/s transfers (5.434MHz)
(scsi0:A:0): 5.319MB/s transfers (5.319MHz)
(scsi0:A:0): 5.208MB/s transfers (5.208MHz)
(scsi0:A:0): 5.102MB/s transfers (5.102MHz)
(scsi0:A:0): 5.000MB/s transfers (5.000MHz)
(scsi0:A:2): 320.000MB/s transfers (160.000MHz DT|IU|QAS, 16bit)
(scsi0:A:2): 160.000MB/s transfers (80.000MHz DT|IU|QAS, 16bit)
(scsi0:A:2): 160.000MB/s transfers (80.000MHz DT, 16bit)
(scsi0:A:2): 80.000MB/s transfers (40.000MHz DT, 16bit)
(scsi0:A:2): 80.000MB/s transfers (40.000MHz, 16bit)
(scsi0:A:2): 66.006MB/s transfers (33.003MHz DT, 16bit)
(scsi0:A:2): 66.006MB/s transfers (33.003MHz, 16bit)
(scsi0:A:2): 40.000MB/s transfers (20.000MHz DT, 16bit)
(scsi0:A:2): 40.000MB/s transfers (20.000MHz, 16bit)
(scsi0:A:2): 40.000MB/s transfers (40.000MHz)
(scsi0:A:2): 38.460MB/s transfers (19.230MHz DT, 16bit)
(scsi0:A:2): 38.460MB/s transfers (19.230MHz, 16bit)
(scsi0:A:2): 35.714MB/s transfers (17.857MHz DT, 16bit)
(scsi0:A:2): 35.714MB/s transfers (17.857MHz, 16bit)
(scsi0:A:2): 33.332MB/s transfers (16.666MHz DT, 16bit)
(scsi0:A:2): 33.332MB/s transfers (16.666MHz, 16bit)
(scsi0:A:2): 33.003MB/s transfers (33.003MHz)
(scsi0:A:2): 31.250MB/s transfers (15.625MHz DT, 16bit)
(scsi0:A:2): 31.250MB/s transfers (15.625MHz, 16bit)
(scsi0:A:2): 29.410MB/s transfers (14.705MHz DT, 16bit)
(scsi0:A:2): 29.410MB/s transfers (14.705MHz, 16bit)
(scsi0:A:2): 27.776MB/s transfers (13.888MHz DT, 16bit)
(scsi0:A:2): 27.776MB/s transfers (13.888MHz, 16bit)
(scsi0:A:2): 26.314MB/s transfers (13.157MHz DT, 16bit)
(scsi0:A:2): 26.314MB/s transfers (13.157MHz, 16bit)
(scsi0:A:2): 25.000MB/s transfers (12.500MHz DT, 16bit)
(scsi0:A:2): 25.000MB/s transfers (12.500MHz, 16bit)
(scsi0:A:2): 23.808MB/s transfers (11.904MHz DT, 16bit)
(scsi0:A:2): 23.808MB/s transfers (11.904MHz, 16bit)
(scsi0:A:2): 22.726MB/s transfers (11.363MHz DT, 16bit)
(scsi0:A:2): 22.726MB/s transfers (11.363MHz, 16bit)
(scsi0:A:2): 21.738MB/s transfers (10.869MHz DT, 16bit)
(scsi0:A:2): 21.738MB/s transfers (10.869MHz, 16bit)
(scsi0:A:2): 20.832MB/s transfers (10.416MHz DT, 16bit)
(scsi0:A:2): 20.832MB/s transfers (10.416MHz, 16bit)
(scsi0:A:2): 20.000MB/s transfers (10.000MHz DT, 16bit)
(scsi0:A:2): 20.000MB/s transfers (10.000MHz, 16bit)
(scsi0:A:2): 20.000MB/s transfers (20.000MHz)
(scsi0:A:2): 19.230MB/s transfers (9.615MHz, 16bit)
(scsi0:A:2): 19.230MB/s transfers (19.230MHz)
(scsi0:A:2): 18.518MB/s transfers (9.259MHz, 16bit)
(scsi0:A:2): 17.857MB/s transfers (17.857MHz)
(scsi0:A:2): 17.856MB/s transfers (8.928MHz, 16bit)
(scsi0:A:2): 17.240MB/s transfers (8.620MHz, 16bit)
(scsi0:A:2): 16.666MB/s transfers (8.333MHz, 16bit)
(scsi0:A:2): 16.666MB/s transfers (16.666MHz)
(scsi0:A:2): 16.128MB/s transfers (8.064MHz, 16bit)
(scsi0:A:2): 15.625MB/s transfers (15.625MHz)
(scsi0:A:2): 15.624MB/s transfers (7.812MHz, 16bit)
(scsi0:A:2): 15.150MB/s transfers (7.575MHz, 16bit)
(scsi0:A:2): 14.705MB/s transfers (14.705MHz)
(scsi0:A:2): 14.704MB/s transfers (7.352MHz, 16bit)
(scsi0:A:2): 14.284MB/s transfers (7.142MHz, 16bit)
(scsi0:A:2): 13.888MB/s transfers (6.944MHz, 16bit)
(scsi0:A:2): 13.888MB/s transfers (13.888MHz)
(scsi0:A:2): 13.512MB/s transfers (6.756MHz, 16bit)
(scsi0:A:2): 13.157MB/s transfers (13.157MHz)
(scsi0:A:2): 13.156MB/s transfers (6.578MHz, 16bit)
(scsi0:A:2): 12.820MB/s transfers (6.410MHz, 16bit)
(scsi0:A:2): 12.500MB/s transfers (6.250MHz, 16bit)
(scsi0:A:2): 12.500MB/s transfers (12.500MHz)
(scsi0:A:2): 12.194MB/s transfers (6.097MHz, 16bit)
(scsi0:A:2): 11.904MB/s transfers (5.952MHz, 16bit)
(scsi0:A:2): 11.904MB/s transfers (11.904MHz)
(scsi0:A:2): 11.626MB/s transfers (5.813MHz, 16bit)
(scsi0:A:2): 11.363MB/s transfers (11.363MHz)
(scsi0:A:2): 11.362MB/s transfers (5.681MHz, 16bit)
(scsi0:A:2): 11.110MB/s transfers (5.555MHz, 16bit)
(scsi0:A:2): 10.869MB/s transfers (10.869MHz)
(scsi0:A:2): 10.868MB/s transfers (5.434MHz, 16bit)
(scsi0:A:2): 10.638MB/s transfers (5.319MHz, 16bit)
(scsi0:A:2): 10.416MB/s transfers (5.208MHz, 16bit)
(scsi0:A:2): 10.416MB/s transfers (10.416MHz)
(scsi0:A:2): 10.204MB/s transfers (5.102MHz, 16bit)
(scsi0:A:2): 10.000MB/s transfers (5.000MHz, 16bit)
(scsi0:A:2): 10.000MB/s transfers (10.000MHz)
(scsi0:A:2): 6.600MB/s transfers (16bit)
(scsi0:A:2): 9.615MB/s transfers (9.615MHz)
(scsi0:A:2): 9.259MB/s transfers (9.259MHz)
(scsi0:A:2): 8.928MB/s transfers (8.928MHz)
(scsi0:A:2): 8.620MB/s transfers (8.620MHz)
(scsi0:A:2): 8.333MB/s transfers (8.333MHz)
(scsi0:A:2): 8.064MB/s transfers (8.064MHz)
(scsi0:A:2): 7.812MB/s transfers (7.812MHz)
(scsi0:A:2): 7.575MB/s transfers (7.575MHz)
(scsi0:A:2): 7.352MB/s transfers (7.352MHz)
(scsi0:A:2): 7.142MB/s transfers (7.142MHz)
(scsi0:A:2): 6.944MB/s transfers (6.944MHz)
(scsi0:A:2): 6.756MB/s transfers (6.756MHz)
(scsi0:A:2): 6.578MB/s transfers (6.578MHz)
(scsi0:A:2): 6.410MB/s transfers (6.410MHz)
(scsi0:A:2): 6.250MB/s transfers (6.250MHz)
(scsi0:A:2): 6.097MB/s transfers (6.097MHz)
(scsi0:A:2): 5.952MB/s transfers (5.952MHz)
(scsi0:A:2): 5.813MB/s transfers (5.813MHz)
(scsi0:A:2): 5.681MB/s transfers (5.681MHz)
(scsi0:A:2): 5.555MB/s transfers (5.555MHz)
(scsi0:A:2): 5.434MB/s transfers (5.434MHz)
(scsi0:A:2): 5.319MB/s transfers (5.319MHz)
(scsi0:A:2): 5.208MB/s transfers (5.208MHz)
(scsi0:A:2): 5.102MB/s transfers (5.102MHz)
(scsi0:A:2): 5.000MB/s transfers (5.000MHz)
  Vendor: SEAGATE   Model: ST373307LW        Rev: 0007
  Type:   Direct-Access                      ANSI SCSI revision: 03
(scsi0:A:0): 3.300MB/s transfers
scsi0:A:0:0: Tagged Queuing enabled.  Depth 32
SCSI device sda: 143374744 512-byte hdwr sectors (73408 MB)
SCSI device sda: drive cache: write back
 sda: unknown partition table
Attached scsi disk sda at scsi0, channel 0, id 0, lun 0
  Vendor: SEAGATE   Model: ST373307LW        Rev: 0007
  Type:   Direct-Access                      ANSI SCSI revision: 03
(scsi0:A:2): 3.300MB/s transfers
scsi0:A:2:0: Tagged Queuing enabled.  Depth 32
SCSI device sdb: 143374744 512-byte hdwr sectors (73408 MB)
SCSI device sdb: drive cache: write back
 sdb: unknown partition table
Attached scsi disk sdb at scsi0, channel 0, id 2, lun 0
scsi1 : Adaptec AIC79XX PCI-X SCSI HBA DRIVER, Rev 1.3.11
        <Adaptec AIC7902 Ultra320 SCSI adapter>
        aic7902: Ultra320 Wide Channel B, SCSI Id=7, PCI 33 or 66Mhz, 512 SCBs


12:43 fsgqa@sheila ~ 101> find /proc/scsi/
/proc/scsi/
/proc/scsi/sg
/proc/scsi/sg/version
/proc/scsi/sg/device_strs
/proc/scsi/sg/devices
/proc/scsi/sg/device_hdr
/proc/scsi/sg/def_reserved_size
/proc/scsi/sg/debug
/proc/scsi/sg/allow_dio
/proc/scsi/aic79xx
/proc/scsi/aic79xx/1
/proc/scsi/aic79xx/0
/proc/scsi/device_info
/proc/scsi/scsi
12:43 fsgqa@sheila ~ 102> cat /proc/scsi/scsi 
Attached devices:
Host: scsi0 Channel: 00 Id: 00 Lun: 00
  Vendor: SEAGATE  Model: ST373307LW       Rev: 0007
  Type:   Direct-Access                    ANSI SCSI revision: 03
Host: scsi0 Channel: 00 Id: 02 Lun: 00
  Vendor: SEAGATE  Model: ST373307LW       Rev: 0007
  Type:   Direct-Access                    ANSI SCSI revision: 03
12:44 fsgqa@sheila ~ 103> cat /proc/scsi/device_info 
'Aashima' 'IMAGERY 2400SP' 0x1
'CHINON' 'CD-ROM CDS-431' 0x1
'CHINON' 'CD-ROM CDS-535' 0x1
'DENON' 'DRD-25X' 0x1
'HITACHI' 'DK312C' 0x1
'HITACHI' 'DK314C' 0x1
'IMS' 'CDD521/10' 0x1
'MAXTOR' 'XT-3280' 0x1
'MAXTOR' 'XT-4380S' 0x1
'MAXTOR' 'MXT-1240S' 0x1
'MAXTOR' 'XT-4170S' 0x1
'MAXTOR' 'XT-8760S' 0x1
'MEDIAVIS' 'RENO CD-ROMX2A' 0x1
'NEC' 'CD-ROM DRIVE:841' 0x1
'PHILIPS' 'PCA80SC' 0x1
'RODIME' 'RO3000S' 0x1
'SUN' 'SENA' 0x1
'SANYO' 'CRD-250S' 0x1
'SEAGATE' 'ST157N' 0x1
'SEAGATE' 'ST296' 0x1
'SEAGATE' 'ST1581' 0x1
'SONY' 'CD-ROM CDU-541' 0x1
'SONY' 'CD-ROM CDU-55S' 0x1
'SONY' 'CD-ROM CDU-561' 0x1
'SONY' 'CD-ROM CDU-8012' 0x1
'TANDBERG' 'TDC 3600' 0x1
'TEAC' 'CD-R55S' 0x1
'TEAC' 'CD-ROM' 0x1
'TEAC' 'MT-2ST/45S2-27' 0x1
'HP' 'C1750A' 0x1
'HP' 'C1790A' 0x1
'HP' 'C2500A' 0x1
'MEDIAVIS' 'CDR-H93MV' 0x1
'MICROTEK' 'ScanMaker II' 0x1
'MITSUMI' 'CD-R CR-2201CS' 0x1
'NEC' 'D3856' 0x1
'QUANTUM' 'LPS525S' 0x1
'QUANTUM' 'PD1225S' 0x1
'QUANTUM' 'FIREBALL ST4.3S' 0x1
'RELISYS' 'Scorpio' 0x1
'SANKYO' 'CP525' 0x1
'TEXEL' 'CD-ROM' 0x1
'YAMAHA' 'CDR100' 0x1
'YAMAHA' 'CDR102' 0x1
'YAMAHA' 'CRW8424S' 0x1
'YAMAHA' 'CRW6416S' 0x1
'ADAPTEC' 'AACRAID' 0x2
'ADAPTEC' 'Adaptec 5400S' 0x2
'AFT PRO' '-IX CF' 0x2
'BELKIN' 'USB 2 HS-CF' 0x2
'CANON' 'IPUBJD' 0x40
'CBOX3' 'USB Storage-SMC' 0x2
'CMD' 'CRA-7280' 0x40
'CNSI' 'G7324' 0x40
'CNSi' 'G8324' 0x40
'COMPAQ' 'LOGICAL VOLUME' 0x2
'COMPAQ' 'CR3500' 0x2
'COMPAQ' 'MSA1000' 0x1040
'COMPAQ' 'MSA1000 VOLUME' 0x1040
'COMPAQ' 'HSV110' 0x21000
'DDN' 'SAN DataDirector' 0x40
'DEC' 'HSG80' 0x1040
'DELL' 'PV660F' 0x40
'DELL' 'PV660F   PSEUDO' 0x40
'DELL' 'PSEUDO DEVICE .' 0x40
'DELL' 'PV530F' 0x40
'DELL' 'PERCRAID' 0x2
'DGC' 'RAID' 0x40
'DGC' 'DISK' 0x40
'EMC' 'SYMMETRIX' 0x242
'EMULEX' 'MD21/S2     ESDI' 0x10
'FSC' 'CentricStor' 0x240
'Generic' 'USB SD Reader' 0x2
'Generic' 'USB Storage-SMC' 0x2
'Generic' 'USB Storage-SMC' 0x2
'HITACHI' 'DF400' 0x40
'HITACHI' 'DF500' 0x40
'HITACHI' 'DF600' 0x40
'HP' 'A6189A' 0x240
'HP' 'OPEN-' 0x240
'HP' 'NetRAID-4M' 0x2
'HP' 'HSV100' 0x21000
'HP' 'C1557A' 0x2
'IBM' 'AuSaV1S2' 0x2
'IBM' 'ProFibre 4000R' 0x240
'iomega' 'jaz 1GB' 0x21
'IOMEGA' 'Io20S         *F' 0x8
'INSITE' 'Floptical   F*8I' 0x8
'INSITE' 'I325VM' 0x8
'iRiver' 'iFP Mass Driver' 0x80400
'LASOUND' 'CDX7405' 0x90
'MATSHITA' 'PD-1' 0x12
'MATSHITA' 'DMC-LC5' 0x80400
'MATSHITA' 'DMC-LC40' 0x80400
'Medion' 'Flash XL  MMC/SD' 0x2
'MegaRAID' 'LD' 0x2
'MICROP' '4110' 0x20
'MYLEX' 'DACARMRB' 0x20000
'nCipher' 'Fastness Crypto' 0x2
'NAKAMICH' 'MJ-4.8S' 0x12
'NAKAMICH' 'MJ-5.16S' 0x12
'NEC' 'PD-1 ODX654P' 0x12
'NRC' 'MBR-7' 0x12
'NRC' 'MBR-7.4' 0x12
'PIONEER' 'CD-ROM DRM-600' 0x12
'PIONEER' 'CD-ROM DRM-602X' 0x12
'PIONEER' 'CD-ROM DRM-604X' 0x12
'REGAL' 'CDC-4X' 0x90
'SanDisk' 'ImageMate CF-SD1' 0x2
'SGI' 'RAID3' 0x40
'SGI' 'RAID5' 0x40
'SGI' 'TP9100' 0x20000
'SMSC' 'USB 2 HS-CF' 0x40
'SONY' 'CD-ROM CDU-8001' 0x4
'SONY' 'TSL' 0x2
'SUN' 'T300' 0x40
'SUN' 'T4' 0x40
'TEXEL' 'CD-ROM' 0x4
'TOSHIBA' 'CDROM' 0x100
'TOSHIBA' 'CD-ROM' 0x100
'USB2.0' 'SMARTMEDIA/XD' 0x2
'XYRATEX' 'RS' 0x240
'Zzyzx' 'RocketStor 500S' 0x40
'Zzyzx' 'RocketStor 2000' 0x40
12:44 fsgqa@sheila ~ 104> cat /proc/scsi/aic79xx/0
Adaptec AIC79xx driver version: 1.3.11
Adaptec AIC7902 Ultra320 SCSI adapter
aic7902: Ultra320 Wide Channel A, SCSI Id=7, PCI 33 or 66Mhz, 512 SCBs
Allocated SCBs: 4, SG List Length: 128

Serial EEPROM:
0x17c8 0x17c8 0x17c8 0x17c8 0x17c8 0x17c8 0x17c8 0x17c8 
0x17c8 0x17c8 0x17c8 0x17c8 0x17c8 0x17c8 0x17c8 0x17c8 
0x09f4 0x0146 0x2807 0x0010 0xffff 0xffff 0xffff 0xffff 
0xffff 0xffff 0xffff 0xffff 0xffff 0xffff 0x0400 0xb3c7 

Target 0 Negotiation Settings
        User: 320.000MB/s transfers (160.000MHz DT|IU|QAS, 16bit)
        Goal: 3.300MB/s transfers
        Curr: 3.300MB/s transfers
        Transmission Errors 0
        Channel A Target 0 Lun 0 Settings
                Commands Queued 216
                Commands Active 0
                Command Openings 32
                Max Tagged Openings 32
                Device Queue Frozen Count 0
Target 1 Negotiation Settings
        User: 320.000MB/s transfers (160.000MHz DT|IU|QAS, 16bit)
Target 2 Negotiation Settings
        User: 320.000MB/s transfers (160.000MHz DT|IU|QAS, 16bit)
        Goal: 3.300MB/s transfers
        Curr: 3.300MB/s transfers
        Transmission Errors 0
        Channel A Target 2 Lun 0 Settings
                Commands Queued 220
                Commands Active 0
                Command Openings 32
                Max Tagged Openings 32
                Device Queue Frozen Count 0
Target 3 Negotiation Settings
        User: 320.000MB/s transfers (160.000MHz DT|IU|QAS, 16bit)
Target 4 Negotiation Settings
        User: 320.000MB/s transfers (160.000MHz DT|IU|QAS, 16bit)
Target 5 Negotiation Settings
        User: 320.000MB/s transfers (160.000MHz DT|IU|QAS, 16bit)
Target 6 Negotiation Settings
        User: 320.000MB/s transfers (160.000MHz DT|IU|QAS, 16bit)
Target 7 Negotiation Settings
        User: 320.000MB/s transfers (160.000MHz DT|IU|QAS, 16bit)
Target 8 Negotiation Settings
        User: 320.000MB/s transfers (160.000MHz DT|IU|QAS, 16bit)
Target 9 Negotiation Settings
        User: 320.000MB/s transfers (160.000MHz DT|IU|QAS, 16bit)
Target 10 Negotiation Settings
        User: 320.000MB/s transfers (160.000MHz DT|IU|QAS, 16bit)
Target 11 Negotiation Settings
        User: 320.000MB/s transfers (160.000MHz DT|IU|QAS, 16bit)
Target 12 Negotiation Settings
        User: 320.000MB/s transfers (160.000MHz DT|IU|QAS, 16bit)
Target 13 Negotiation Settings
        User: 320.000MB/s transfers (160.000MHz DT|IU|QAS, 16bit)
Target 14 Negotiation Settings
        User: 320.000MB/s transfers (160.000MHz DT|IU|QAS, 16bit)
Target 15 Negotiation Settings
        User: 320.000MB/s transfers (160.000MHz DT|IU|QAS, 16bit)
12:44 fsgqa@sheila ~ 105> 


----- End forwarded message -----

-- 
Nathan

Paul

2004-12-07 02:32 UTC #1 lore raw

Hi Nathan,

I have seen this problem before with an adaptec U320 controller. The problem was caused by using a Ultra160 cable on a Ultra320 controller and disk. The kernel driver for some reason reacted really strange.
The fix I found was to go into the scsi BIOS and set the bus speed from 320 (or it might be max/auto) to 160 and it worked fine. Of course this means you'll be in Ultra160 mode. Onec the kernel booted (somtimes 10 mintues later) disk access worked, just very slow, like you reported 3mb/sec tops.

Regards,
Paul

----- Original Message -----
From: "Nathan Scott" <[email protected]>
To: <[email protected]>
Sent: Tuesday, December 07, 2004 1:23 PM
Subject: Adaptec SCSI oddity

Quoted 30 lines

Hi there,
Can anyone provide some insight into what's going on here? Christoph suggested I ask here; I've also tried out Linus' current -bk tree (2.6.10-rc3) without luck, same problem.
I'm happy to try out patches, etc.
thanks!
----- Forwarded message from Nathan Scott <[email protected]> -----
Date: Mon, 6 Dec 2004 13:13:48 +1100
To: [email protected], [email protected]
User-Agent: Mutt/1.5.3i
From: Nathan Scott <[email protected]>
Subject: SCSI oddity
Hi guys,
We recently got an ia32 machine for XFS performance testing which has 2 Adaptec SCSI disk drives. Not sure exactly which model(s) yet. When I boot sles9-sp1 and/or 2.6.9 vanilla, bootup takes ages because of some kind of probing of these devices. Once that is finally done, the drives perform terribly ... I can't get >3MB/s out of them. It seems this probing has something to do with it, looks like its trying to select some default parameters? Have you seen anything like this before? Here's dmesg, proc/scsi, etc if it helps.. any tips on how to fix this?

Quoted 16 lines

(the user/curr/goal stuff in the /proc dump below seems to show the wierdness -- user=320,curr/goal=3.3? what is that?)
I also have a couple of local IDE disks, and they consistently hit around 50-55MB/sec (all measurements here are just raw device direct reads, using a 64k buffer size).
thanks!
Signature · 6 lines
Nathan


Loading kernel/dSCSI subsystem initialized
rivers/scsi/scsi_mod.ko
Loading kernel/drivers/scsi/sd_mACPI: PCI interrupt 0000:04:04.0[A] -> GSI

50 (level, low) -> IRQ 50

Quoted 6 lines

od.ko
Loading kernel/drivers/scsi/aic7xxx/aic79xx.ko
ACPI: PCI interrupt 0000:04:04.1[B] -> GSI 51 (level, low) -> IRQ 51 scsi0 : Adaptec AIC79XX PCI-X SCSI HBA DRIVER, Rev 1.3.11
<Adaptec AIC7902 Ultra320 SCSI adapter>
aic7902: Ultra320 Wide Channel A, SCSI Id=7, PCI 33 or 66Mhz, 512

SCBs

Quoted 216 lines

(scsi0:A:0): 320.000MB/s transfers (160.000MHz DT|IU|QAS, 16bit) (scsi0:A:0): 160.000MB/s transfers (80.000MHz DT|IU|QAS, 16bit) (scsi0:A:0): 160.000MB/s transfers (80.000MHz DT, 16bit) (scsi0:A:0): 80.000MB/s transfers (40.000MHz DT, 16bit) (scsi0:A:0): 80.000MB/s transfers (40.000MHz, 16bit) (scsi0:A:0): 66.006MB/s transfers (33.003MHz DT, 16bit) (scsi0:A:0): 66.006MB/s transfers (33.003MHz, 16bit) (scsi0:A:0): 40.000MB/s transfers (20.000MHz DT, 16bit) (scsi0:A:0): 40.000MB/s transfers (20.000MHz, 16bit) (scsi0:A:0): 40.000MB/s transfers (40.000MHz) (scsi0:A:0): 38.460MB/s transfers (19.230MHz DT, 16bit) (scsi0:A:0): 38.460MB/s transfers (19.230MHz, 16bit) (scsi0:A:0): 35.714MB/s transfers (17.857MHz DT, 16bit) (scsi0:A:0): 35.714MB/s transfers (17.857MHz, 16bit) (scsi0:A:0): 33.332MB/s transfers (16.666MHz DT, 16bit) (scsi0:A:0): 33.332MB/s transfers (16.666MHz, 16bit) (scsi0:A:0): 33.003MB/s transfers (33.003MHz) (scsi0:A:0): 31.250MB/s transfers (15.625MHz DT, 16bit) (scsi0:A:0): 31.250MB/s transfers (15.625MHz, 16bit) (scsi0:A:0): 29.410MB/s transfers (14.705MHz DT, 16bit) (scsi0:A:0): 29.410MB/s transfers (14.705MHz, 16bit) (scsi0:A:0): 27.776MB/s transfers (13.888MHz DT, 16bit) (scsi0:A:0): 27.776MB/s transfers (13.888MHz, 16bit) (scsi0:A:0): 26.314MB/s transfers (13.157MHz DT, 16bit) (scsi0:A:0): 26.314MB/s transfers (13.157MHz, 16bit) (scsi0:A:0): 25.000MB/s transfers (12.500MHz DT, 16bit) (scsi0:A:0): 25.000MB/s transfers (12.500MHz, 16bit) (scsi0:A:0): 23.808MB/s transfers (11.904MHz DT, 16bit) (scsi0:A:0): 23.808MB/s transfers (11.904MHz, 16bit) (scsi0:A:0): 22.726MB/s transfers (11.363MHz DT, 16bit) (scsi0:A:0): 22.726MB/s transfers (11.363MHz, 16bit) (scsi0:A:0): 21.738MB/s transfers (10.869MHz DT, 16bit) (scsi0:A:0): 21.738MB/s transfers (10.869MHz, 16bit) (scsi0:A:0): 20.832MB/s transfers (10.416MHz DT, 16bit) (scsi0:A:0): 20.832MB/s transfers (10.416MHz, 16bit) (scsi0:A:0): 20.000MB/s transfers (10.000MHz DT, 16bit) (scsi0:A:0): 20.000MB/s transfers (10.000MHz, 16bit) (scsi0:A:0): 20.000MB/s transfers (20.000MHz) (scsi0:A:0): 19.230MB/s transfers (9.615MHz, 16bit) (scsi0:A:0): 19.230MB/s transfers (19.230MHz) (scsi0:A:0): 18.518MB/s transfers (9.259MHz, 16bit) (scsi0:A:0): 17.857MB/s transfers (17.857MHz) (scsi0:A:0): 17.856MB/s transfers (8.928MHz, 16bit) (scsi0:A:0): 17.240MB/s transfers (8.620MHz, 16bit) (scsi0:A:0): 16.666MB/s transfers (8.333MHz, 16bit) (scsi0:A:0): 16.666MB/s transfers (16.666MHz) (scsi0:A:0): 16.128MB/s transfers (8.064MHz, 16bit) (scsi0:A:0): 15.625MB/s transfers (15.625MHz) (scsi0:A:0): 15.624MB/s transfers (7.812MHz, 16bit) (scsi0:A:0): 15.150MB/s transfers (7.575MHz, 16bit) (scsi0:A:0): 14.705MB/s transfers (14.705MHz) (scsi0:A:0): 14.704MB/s transfers (7.352MHz, 16bit) (scsi0:A:0): 14.284MB/s transfers (7.142MHz, 16bit) (scsi0:A:0): 13.888MB/s transfers (6.944MHz, 16bit) (scsi0:A:0): 13.888MB/s transfers (13.888MHz) (scsi0:A:0): 13.512MB/s transfers (6.756MHz, 16bit) (scsi0:A:0): 13.157MB/s transfers (13.157MHz) (scsi0:A:0): 13.156MB/s transfers (6.578MHz, 16bit) (scsi0:A:0): 12.820MB/s transfers (6.410MHz, 16bit) (scsi0:A:0): 12.500MB/s transfers (6.250MHz, 16bit) (scsi0:A:0): 12.500MB/s transfers (12.500MHz) (scsi0:A:0): 12.194MB/s transfers (6.097MHz, 16bit) (scsi0:A:0): 11.904MB/s transfers (5.952MHz, 16bit) (scsi0:A:0): 11.904MB/s transfers (11.904MHz) (scsi0:A:0): 11.626MB/s transfers (5.813MHz, 16bit) (scsi0:A:0): 11.363MB/s transfers (11.363MHz) (scsi0:A:0): 11.362MB/s transfers (5.681MHz, 16bit) (scsi0:A:0): 11.110MB/s transfers (5.555MHz, 16bit) (scsi0:A:0): 10.869MB/s transfers (10.869MHz) (scsi0:A:0): 10.868MB/s transfers (5.434MHz, 16bit) (scsi0:A:0): 10.638MB/s transfers (5.319MHz, 16bit) (scsi0:A:0): 10.416MB/s transfers (5.208MHz, 16bit) (scsi0:A:0): 10.416MB/s transfers (10.416MHz) (scsi0:A:0): 10.204MB/s transfers (5.102MHz, 16bit) (scsi0:A:0): 10.000MB/s transfers (5.000MHz, 16bit) (scsi0:A:0): 10.000MB/s transfers (10.000MHz) (scsi0:A:0): 6.600MB/s transfers (16bit)
(scsi0:A:0): 9.615MB/s transfers (9.615MHz) (scsi0:A:0): 9.259MB/s transfers (9.259MHz) (scsi0:A:0): 8.928MB/s transfers (8.928MHz) (scsi0:A:0): 8.620MB/s transfers (8.620MHz) (scsi0:A:0): 8.333MB/s transfers (8.333MHz) (scsi0:A:0): 8.064MB/s transfers (8.064MHz) (scsi0:A:0): 7.812MB/s transfers (7.812MHz) (scsi0:A:0): 7.575MB/s transfers (7.575MHz) (scsi0:A:0): 7.352MB/s transfers (7.352MHz) (scsi0:A:0): 7.142MB/s transfers (7.142MHz) (scsi0:A:0): 6.944MB/s transfers (6.944MHz) (scsi0:A:0): 6.756MB/s transfers (6.756MHz) (scsi0:A:0): 6.578MB/s transfers (6.578MHz) (scsi0:A:0): 6.410MB/s transfers (6.410MHz) (scsi0:A:0): 6.250MB/s transfers (6.250MHz) (scsi0:A:0): 6.097MB/s transfers (6.097MHz) (scsi0:A:0): 5.952MB/s transfers (5.952MHz) (scsi0:A:0): 5.813MB/s transfers (5.813MHz) (scsi0:A:0): 5.681MB/s transfers (5.681MHz) (scsi0:A:0): 5.555MB/s transfers (5.555MHz) (scsi0:A:0): 5.434MB/s transfers (5.434MHz) (scsi0:A:0): 5.319MB/s transfers (5.319MHz) (scsi0:A:0): 5.208MB/s transfers (5.208MHz) (scsi0:A:0): 5.102MB/s transfers (5.102MHz) (scsi0:A:0): 5.000MB/s transfers (5.000MHz) (scsi0:A:2): 320.000MB/s transfers (160.000MHz DT|IU|QAS, 16bit) (scsi0:A:2): 160.000MB/s transfers (80.000MHz DT|IU|QAS, 16bit) (scsi0:A:2): 160.000MB/s transfers (80.000MHz DT, 16bit) (scsi0:A:2): 80.000MB/s transfers (40.000MHz DT, 16bit) (scsi0:A:2): 80.000MB/s transfers (40.000MHz, 16bit) (scsi0:A:2): 66.006MB/s transfers (33.003MHz DT, 16bit) (scsi0:A:2): 66.006MB/s transfers (33.003MHz, 16bit) (scsi0:A:2): 40.000MB/s transfers (20.000MHz DT, 16bit) (scsi0:A:2): 40.000MB/s transfers (20.000MHz, 16bit) (scsi0:A:2): 40.000MB/s transfers (40.000MHz) (scsi0:A:2): 38.460MB/s transfers (19.230MHz DT, 16bit) (scsi0:A:2): 38.460MB/s transfers (19.230MHz, 16bit) (scsi0:A:2): 35.714MB/s transfers (17.857MHz DT, 16bit) (scsi0:A:2): 35.714MB/s transfers (17.857MHz, 16bit) (scsi0:A:2): 33.332MB/s transfers (16.666MHz DT, 16bit) (scsi0:A:2): 33.332MB/s transfers (16.666MHz, 16bit) (scsi0:A:2): 33.003MB/s transfers (33.003MHz) (scsi0:A:2): 31.250MB/s transfers (15.625MHz DT, 16bit) (scsi0:A:2): 31.250MB/s transfers (15.625MHz, 16bit) (scsi0:A:2): 29.410MB/s transfers (14.705MHz DT, 16bit) (scsi0:A:2): 29.410MB/s transfers (14.705MHz, 16bit) (scsi0:A:2): 27.776MB/s transfers (13.888MHz DT, 16bit) (scsi0:A:2): 27.776MB/s transfers (13.888MHz, 16bit) (scsi0:A:2): 26.314MB/s transfers (13.157MHz DT, 16bit) (scsi0:A:2): 26.314MB/s transfers (13.157MHz, 16bit) (scsi0:A:2): 25.000MB/s transfers (12.500MHz DT, 16bit) (scsi0:A:2): 25.000MB/s transfers (12.500MHz, 16bit) (scsi0:A:2): 23.808MB/s transfers (11.904MHz DT, 16bit) (scsi0:A:2): 23.808MB/s transfers (11.904MHz, 16bit) (scsi0:A:2): 22.726MB/s transfers (11.363MHz DT, 16bit) (scsi0:A:2): 22.726MB/s transfers (11.363MHz, 16bit) (scsi0:A:2): 21.738MB/s transfers (10.869MHz DT, 16bit) (scsi0:A:2): 21.738MB/s transfers (10.869MHz, 16bit) (scsi0:A:2): 20.832MB/s transfers (10.416MHz DT, 16bit) (scsi0:A:2): 20.832MB/s transfers (10.416MHz, 16bit) (scsi0:A:2): 20.000MB/s transfers (10.000MHz DT, 16bit) (scsi0:A:2): 20.000MB/s transfers (10.000MHz, 16bit) (scsi0:A:2): 20.000MB/s transfers (20.000MHz) (scsi0:A:2): 19.230MB/s transfers (9.615MHz, 16bit) (scsi0:A:2): 19.230MB/s transfers (19.230MHz) (scsi0:A:2): 18.518MB/s transfers (9.259MHz, 16bit) (scsi0:A:2): 17.857MB/s transfers (17.857MHz) (scsi0:A:2): 17.856MB/s transfers (8.928MHz, 16bit) (scsi0:A:2): 17.240MB/s transfers (8.620MHz, 16bit) (scsi0:A:2): 16.666MB/s transfers (8.333MHz, 16bit) (scsi0:A:2): 16.666MB/s transfers (16.666MHz) (scsi0:A:2): 16.128MB/s transfers (8.064MHz, 16bit) (scsi0:A:2): 15.625MB/s transfers (15.625MHz) (scsi0:A:2): 15.624MB/s transfers (7.812MHz, 16bit) (scsi0:A:2): 15.150MB/s transfers (7.575MHz, 16bit) (scsi0:A:2): 14.705MB/s transfers (14.705MHz) (scsi0:A:2): 14.704MB/s transfers (7.352MHz, 16bit) (scsi0:A:2): 14.284MB/s transfers (7.142MHz, 16bit) (scsi0:A:2): 13.888MB/s transfers (6.944MHz, 16bit) (scsi0:A:2): 13.888MB/s transfers (13.888MHz) (scsi0:A:2): 13.512MB/s transfers (6.756MHz, 16bit) (scsi0:A:2): 13.157MB/s transfers (13.157MHz) (scsi0:A:2): 13.156MB/s transfers (6.578MHz, 16bit) (scsi0:A:2): 12.820MB/s transfers (6.410MHz, 16bit) (scsi0:A:2): 12.500MB/s transfers (6.250MHz, 16bit) (scsi0:A:2): 12.500MB/s transfers (12.500MHz) (scsi0:A:2): 12.194MB/s transfers (6.097MHz, 16bit) (scsi0:A:2): 11.904MB/s transfers (5.952MHz, 16bit) (scsi0:A:2): 11.904MB/s transfers (11.904MHz) (scsi0:A:2): 11.626MB/s transfers (5.813MHz, 16bit) (scsi0:A:2): 11.363MB/s transfers (11.363MHz) (scsi0:A:2): 11.362MB/s transfers (5.681MHz, 16bit) (scsi0:A:2): 11.110MB/s transfers (5.555MHz, 16bit) (scsi0:A:2): 10.869MB/s transfers (10.869MHz) (scsi0:A:2): 10.868MB/s transfers (5.434MHz, 16bit) (scsi0:A:2): 10.638MB/s transfers (5.319MHz, 16bit) (scsi0:A:2): 10.416MB/s transfers (5.208MHz, 16bit) (scsi0:A:2): 10.416MB/s transfers (10.416MHz) (scsi0:A:2): 10.204MB/s transfers (5.102MHz, 16bit) (scsi0:A:2): 10.000MB/s transfers (5.000MHz, 16bit) (scsi0:A:2): 10.000MB/s transfers (10.000MHz) (scsi0:A:2): 6.600MB/s transfers (16bit)
(scsi0:A:2): 9.615MB/s transfers (9.615MHz) (scsi0:A:2): 9.259MB/s transfers (9.259MHz) (scsi0:A:2): 8.928MB/s transfers (8.928MHz) (scsi0:A:2): 8.620MB/s transfers (8.620MHz) (scsi0:A:2): 8.333MB/s transfers (8.333MHz) (scsi0:A:2): 8.064MB/s transfers (8.064MHz) (scsi0:A:2): 7.812MB/s transfers (7.812MHz) (scsi0:A:2): 7.575MB/s transfers (7.575MHz) (scsi0:A:2): 7.352MB/s transfers (7.352MHz) (scsi0:A:2): 7.142MB/s transfers (7.142MHz) (scsi0:A:2): 6.944MB/s transfers (6.944MHz) (scsi0:A:2): 6.756MB/s transfers (6.756MHz) (scsi0:A:2): 6.578MB/s transfers (6.578MHz) (scsi0:A:2): 6.410MB/s transfers (6.410MHz) (scsi0:A:2): 6.250MB/s transfers (6.250MHz) (scsi0:A:2): 6.097MB/s transfers (6.097MHz) (scsi0:A:2): 5.952MB/s transfers (5.952MHz) (scsi0:A:2): 5.813MB/s transfers (5.813MHz) (scsi0:A:2): 5.681MB/s transfers (5.681MHz) (scsi0:A:2): 5.555MB/s transfers (5.555MHz) (scsi0:A:2): 5.434MB/s transfers (5.434MHz) (scsi0:A:2): 5.319MB/s transfers (5.319MHz) (scsi0:A:2): 5.208MB/s transfers (5.208MHz) (scsi0:A:2): 5.102MB/s transfers (5.102MHz) (scsi0:A:2): 5.000MB/s transfers (5.000MHz)
Vendor: SEAGATE Model: ST373307LW Rev: 0007
Type: Direct-Access ANSI SCSI revision: 03
(scsi0:A:0): 3.300MB/s transfers
scsi0:A:0:0: Tagged Queuing enabled. Depth 32
SCSI device sda: 143374744 512-byte hdwr sectors (73408 MB) SCSI device sda: drive cache: write back
sda: unknown partition table
Attached scsi disk sda at scsi0, channel 0, id 0, lun 0
Vendor: SEAGATE Model: ST373307LW Rev: 0007
Type: Direct-Access ANSI SCSI revision: 03
(scsi0:A:2): 3.300MB/s transfers

Quoted 8 lines

scsi0:A:2:0: Tagged Queuing enabled. Depth 32
SCSI device sdb: 143374744 512-byte hdwr sectors (73408 MB) SCSI device sdb: drive cache: write back
sdb: unknown partition table
Attached scsi disk sdb at scsi0, channel 0, id 2, lun 0
scsi1 : Adaptec AIC79XX PCI-X SCSI HBA DRIVER, Rev 1.3.11
<Adaptec AIC7902 Ultra320 SCSI adapter>
aic7902: Ultra320 Wide Channel B, SCSI Id=7, PCI 33 or 66Mhz, 512

SCBs

Quoted 224 lines

12:43 fsgqa@sheila ~ 101> find /proc/scsi/
/proc/scsi/
/proc/scsi/sg
/proc/scsi/sg/version
/proc/scsi/sg/device_strs
/proc/scsi/sg/devices
/proc/scsi/sg/device_hdr
/proc/scsi/sg/def_reserved_size
/proc/scsi/sg/debug
/proc/scsi/sg/allow_dio
/proc/scsi/aic79xx
/proc/scsi/aic79xx/1
/proc/scsi/aic79xx/0
/proc/scsi/device_info
/proc/scsi/scsi
12:43 fsgqa@sheila ~ 102> cat /proc/scsi/scsi
Attached devices:
Host: scsi0 Channel: 00 Id: 00 Lun: 00
Vendor: SEAGATE Model: ST373307LW Rev: 0007
Type: Direct-Access ANSI SCSI revision: 03
Host: scsi0 Channel: 00 Id: 02 Lun: 00
Vendor: SEAGATE Model: ST373307LW Rev: 0007
Type: Direct-Access ANSI SCSI revision: 03
12:44 fsgqa@sheila ~ 103> cat /proc/scsi/device_info 'Aashima' 'IMAGERY 2400SP' 0x1
'CHINON' 'CD-ROM CDS-431' 0x1
'CHINON' 'CD-ROM CDS-535' 0x1
'DENON' 'DRD-25X' 0x1
'HITACHI' 'DK312C' 0x1
'HITACHI' 'DK314C' 0x1
'IMS' 'CDD521/10' 0x1
'MAXTOR' 'XT-3280' 0x1
'MAXTOR' 'XT-4380S' 0x1
'MAXTOR' 'MXT-1240S' 0x1
'MAXTOR' 'XT-4170S' 0x1
'MAXTOR' 'XT-8760S' 0x1
'MEDIAVIS' 'RENO CD-ROMX2A' 0x1
'NEC' 'CD-ROM DRIVE:841' 0x1
'PHILIPS' 'PCA80SC' 0x1
'RODIME' 'RO3000S' 0x1
'SUN' 'SENA' 0x1
'SANYO' 'CRD-250S' 0x1
'SEAGATE' 'ST157N' 0x1
'SEAGATE' 'ST296' 0x1
'SEAGATE' 'ST1581' 0x1
'SONY' 'CD-ROM CDU-541' 0x1
'SONY' 'CD-ROM CDU-55S' 0x1
'SONY' 'CD-ROM CDU-561' 0x1
'SONY' 'CD-ROM CDU-8012' 0x1
'TANDBERG' 'TDC 3600' 0x1
'TEAC' 'CD-R55S' 0x1
'TEAC' 'CD-ROM' 0x1
'TEAC' 'MT-2ST/45S2-27' 0x1
'HP' 'C1750A' 0x1
'HP' 'C1790A' 0x1
'HP' 'C2500A' 0x1
'MEDIAVIS' 'CDR-H93MV' 0x1
'MICROTEK' 'ScanMaker II' 0x1
'MITSUMI' 'CD-R CR-2201CS' 0x1
'NEC' 'D3856' 0x1
'QUANTUM' 'LPS525S' 0x1
'QUANTUM' 'PD1225S' 0x1
'QUANTUM' 'FIREBALL ST4.3S' 0x1
'RELISYS' 'Scorpio' 0x1
'SANKYO' 'CP525' 0x1
'TEXEL' 'CD-ROM' 0x1
'YAMAHA' 'CDR100' 0x1
'YAMAHA' 'CDR102' 0x1
'YAMAHA' 'CRW8424S' 0x1
'YAMAHA' 'CRW6416S' 0x1
'ADAPTEC' 'AACRAID' 0x2
'ADAPTEC' 'Adaptec 5400S' 0x2
'AFT PRO' '-IX CF' 0x2
'BELKIN' 'USB 2 HS-CF' 0x2
'CANON' 'IPUBJD' 0x40
'CBOX3' 'USB Storage-SMC' 0x2
'CMD' 'CRA-7280' 0x40
'CNSI' 'G7324' 0x40
'CNSi' 'G8324' 0x40
'COMPAQ' 'LOGICAL VOLUME' 0x2
'COMPAQ' 'CR3500' 0x2
'COMPAQ' 'MSA1000' 0x1040
'COMPAQ' 'MSA1000 VOLUME' 0x1040
'COMPAQ' 'HSV110' 0x21000
'DDN' 'SAN DataDirector' 0x40
'DEC' 'HSG80' 0x1040
'DELL' 'PV660F' 0x40
'DELL' 'PV660F PSEUDO' 0x40
'DELL' 'PSEUDO DEVICE .' 0x40
'DELL' 'PV530F' 0x40
'DELL' 'PERCRAID' 0x2
'DGC' 'RAID' 0x40
'DGC' 'DISK' 0x40
'EMC' 'SYMMETRIX' 0x242
'EMULEX' 'MD21/S2 ESDI' 0x10
'FSC' 'CentricStor' 0x240
'Generic' 'USB SD Reader' 0x2
'Generic' 'USB Storage-SMC' 0x2
'Generic' 'USB Storage-SMC' 0x2
'HITACHI' 'DF400' 0x40
'HITACHI' 'DF500' 0x40
'HITACHI' 'DF600' 0x40
'HP' 'A6189A' 0x240
'HP' 'OPEN-' 0x240
'HP' 'NetRAID-4M' 0x2
'HP' 'HSV100' 0x21000
'HP' 'C1557A' 0x2
'IBM' 'AuSaV1S2' 0x2
'IBM' 'ProFibre 4000R' 0x240
'iomega' 'jaz 1GB' 0x21
'IOMEGA' 'Io20S *F' 0x8
'INSITE' 'Floptical F*8I' 0x8
'INSITE' 'I325VM' 0x8
'iRiver' 'iFP Mass Driver' 0x80400
'LASOUND' 'CDX7405' 0x90
'MATSHITA' 'PD-1' 0x12
'MATSHITA' 'DMC-LC5' 0x80400
'MATSHITA' 'DMC-LC40' 0x80400
'Medion' 'Flash XL MMC/SD' 0x2
'MegaRAID' 'LD' 0x2
'MICROP' '4110' 0x20
'MYLEX' 'DACARMRB' 0x20000
'nCipher' 'Fastness Crypto' 0x2
'NAKAMICH' 'MJ-4.8S' 0x12
'NAKAMICH' 'MJ-5.16S' 0x12
'NEC' 'PD-1 ODX654P' 0x12
'NRC' 'MBR-7' 0x12
'NRC' 'MBR-7.4' 0x12
'PIONEER' 'CD-ROM DRM-600' 0x12
'PIONEER' 'CD-ROM DRM-602X' 0x12
'PIONEER' 'CD-ROM DRM-604X' 0x12
'REGAL' 'CDC-4X' 0x90
'SanDisk' 'ImageMate CF-SD1' 0x2
'SGI' 'RAID3' 0x40
'SGI' 'RAID5' 0x40
'SGI' 'TP9100' 0x20000
'SMSC' 'USB 2 HS-CF' 0x40
'SONY' 'CD-ROM CDU-8001' 0x4
'SONY' 'TSL' 0x2
'SUN' 'T300' 0x40
'SUN' 'T4' 0x40
'TEXEL' 'CD-ROM' 0x4
'TOSHIBA' 'CDROM' 0x100
'TOSHIBA' 'CD-ROM' 0x100
'USB2.0' 'SMARTMEDIA/XD' 0x2
'XYRATEX' 'RS' 0x240
'Zzyzx' 'RocketStor 500S' 0x40
'Zzyzx' 'RocketStor 2000' 0x40
12:44 fsgqa@sheila ~ 104> cat /proc/scsi/aic79xx/0
Adaptec AIC79xx driver version: 1.3.11
Adaptec AIC7902 Ultra320 SCSI adapter
aic7902: Ultra320 Wide Channel A, SCSI Id=7, PCI 33 or 66Mhz, 512 SCBs Allocated SCBs: 4, SG List Length: 128
Serial EEPROM:
0x17c8 0x17c8 0x17c8 0x17c8 0x17c8 0x17c8 0x17c8 0x17c8 0x17c8 0x17c8 0x17c8 0x17c8 0x17c8 0x17c8 0x17c8 0x17c8 0x09f4 0x0146 0x2807 0x0010 0xffff 0xffff 0xffff 0xffff 0xffff 0xffff 0xffff 0xffff 0xffff 0xffff 0x0400 0xb3c7
Target 0 Negotiation Settings
User: 320.000MB/s transfers (160.000MHz DT|IU|QAS, 16bit)
Goal: 3.300MB/s transfers
Curr: 3.300MB/s transfers
Transmission Errors 0
Channel A Target 0 Lun 0 Settings
Commands Queued 216
Commands Active 0
Command Openings 32
Max Tagged Openings 32
Device Queue Frozen Count 0
Target 1 Negotiation Settings
        User: 320.000MB/s transfers (160.000MHz DT|IU|QAS, 16bit)
Target 2 Negotiation Settings
User: 320.000MB/s transfers (160.000MHz DT|IU|QAS, 16bit)
Goal: 3.300MB/s transfers
Curr: 3.300MB/s transfers
Transmission Errors 0
Channel A Target 2 Lun 0 Settings
Commands Queued 220
Commands Active 0
Command Openings 32
Max Tagged Openings 32
Device Queue Frozen Count 0
Target 3 Negotiation Settings
        User: 320.000MB/s transfers (160.000MHz DT|IU|QAS, 16bit)
Target 4 Negotiation Settings
        User: 320.000MB/s transfers (160.000MHz DT|IU|QAS, 16bit)
Target 5 Negotiation Settings
        User: 320.000MB/s transfers (160.000MHz DT|IU|QAS, 16bit)
Target 6 Negotiation Settings
        User: 320.000MB/s transfers (160.000MHz DT|IU|QAS, 16bit)
Target 7 Negotiation Settings
        User: 320.000MB/s transfers (160.000MHz DT|IU|QAS, 16bit)
Target 8 Negotiation Settings
        User: 320.000MB/s transfers (160.000MHz DT|IU|QAS, 16bit)
Target 9 Negotiation Settings
        User: 320.000MB/s transfers (160.000MHz DT|IU|QAS, 16bit)
Target 10 Negotiation Settings
        User: 320.000MB/s transfers (160.000MHz DT|IU|QAS, 16bit)
Target 11 Negotiation Settings
        User: 320.000MB/s transfers (160.000MHz DT|IU|QAS, 16bit)
Target 12 Negotiation Settings
        User: 320.000MB/s transfers (160.000MHz DT|IU|QAS, 16bit)
Target 13 Negotiation Settings
        User: 320.000MB/s transfers (160.000MHz DT|IU|QAS, 16bit)
Target 14 Negotiation Settings
        User: 320.000MB/s transfers (160.000MHz DT|IU|QAS, 16bit)
Target 15 Negotiation Settings
        User: 320.000MB/s transfers (160.000MHz DT|IU|QAS, 16bit)
12:44 fsgqa@sheila ~ 105>
----- End forwarded message -----
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Nathan
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Nathan Scott

author

2004-12-07 05:01 UTC #2 lore raw

Hi Paul,

Quoted 7 lines · Paul

I have seen this problem before with an adaptec U320 controller. The problem was caused by using a Ultra160 cable on a Ultra320 controller and disk. The kernel driver for some reason reacted really strange.
The fix I found was to go into the scsi BIOS and set the bus speed from 320 (or it might be max/auto) to 160 and it worked fine. Of course this means you'll be in Ultra160 mode. Onec the kernel booted (somtimes 10 mintues later) disk access worked, just very slow, like you reported 3mb/sec tops.

Yep, I have a U320 controller also and a cable that claims to be U320 capable as well. After reading your suggestion, I've been trying different settings in the BIOS and using 160 on just the 1st channel seems to completely stop these probes/scans from happening (for all channels, oddly enough), and gets the drives both up to doing ~65MB/sec direct reads now (hooray!), which is more like what I'd expected.

15:04 fsgqa@sheila ~ 111> cat /proc/scsi/aic79xx/0
Adaptec AIC79xx driver version: 1.3.11
Adaptec AIC7902 Ultra320 SCSI adapter
aic7902: Ultra320 Wide Channel A, SCSI Id=7, PCI 33 or 66Mhz, 512 SCBs Allocated SCBs: 4, SG List Length: 128

Serial EEPROM:
0x17c9 0x17c9 0x17c9 0x17c9 0x17c9 0x17c9 0x17c9 0x17c9 0x17c8 0x17c8 0x17c8 0x17c8 0x17c8 0x17c8 0x17c8 0x17c8 0x09f4 0x0146 0x2807 0x0010 0xffff 0xffff 0xffff 0xffff 0xffff 0xffff 0xffff 0xffff 0xffff 0xffff 0x0400 0xb3cf

Target 0 Negotiation Settings

        User: 160.000MB/s transfers (80.000MHz DT|IU|QAS, 16bit)
        Goal: 160.000MB/s transfers (80.000MHz DT|IU|QAS, 16bit)
        Curr: 160.000MB/s transfers (80.000MHz DT|IU|QAS, 16bit)

Transmission Errors 0
Channel A Target 0 Lun 0 Settings
Commands Queued 3390
Commands Active 0
Command Openings 32
Max Tagged Openings 32
Device Queue Frozen Count 0
Target 1 Negotiation Settings

        User: 160.000MB/s transfers (80.000MHz DT|IU|QAS, 16bit)
Target 2 Negotiation Settings
        User: 160.000MB/s transfers (80.000MHz DT|IU|QAS, 16bit)
        Goal: 160.000MB/s transfers (80.000MHz DT|IU|QAS, 16bit)
        Curr: 160.000MB/s transfers (80.000MHz DT|IU|QAS, 16bit)

Transmission Errors 0
Channel A Target 2 Lun 0 Settings
Commands Queued 3397
Commands Active 0
Command Openings 32
Max Tagged Openings 32
Device Queue Frozen Count 0
Target 3 Negotiation Settings

        User: 160.000MB/s transfers (80.000MHz DT|IU|QAS, 16bit)
Target 4 Negotiation Settings
        User: 160.000MB/s transfers (80.000MHz DT|IU|QAS, 16bit)
Target 5 Negotiation Settings
        User: 160.000MB/s transfers (80.000MHz DT|IU|QAS, 16bit)
Target 6 Negotiation Settings
        User: 160.000MB/s transfers (80.000MHz DT|IU|QAS, 16bit)
Target 7 Negotiation Settings
        User: 160.000MB/s transfers (80.000MHz DT|IU|QAS, 16bit)
Target 8 Negotiation Settings
        User: 320.000MB/s transfers (160.000MHz DT|IU|QAS, 16bit)
Target 9 Negotiation Settings
        User: 320.000MB/s transfers (160.000MHz DT|IU|QAS, 16bit)
Target 10 Negotiation Settings
        User: 320.000MB/s transfers (160.000MHz DT|IU|QAS, 16bit)
Target 11 Negotiation Settings
        User: 320.000MB/s transfers (160.000MHz DT|IU|QAS, 16bit)
Target 12 Negotiation Settings
        User: 320.000MB/s transfers (160.000MHz DT|IU|QAS, 16bit)
Target 13 Negotiation Settings
        User: 320.000MB/s transfers (160.000MHz DT|IU|QAS, 16bit)
Target 14 Negotiation Settings
        User: 320.000MB/s transfers (160.000MHz DT|IU|QAS, 16bit)
Target 15 Negotiation Settings
        User: 320.000MB/s transfers (160.000MHz DT|IU|QAS, 16bit)

15:05 fsgqa@sheila ~ 112> cat /proc/scsi/aic79xx/1
Adaptec AIC79xx driver version: 1.3.11
Adaptec AIC7902 Ultra320 SCSI adapter
aic7902: Ultra320 Wide Channel B, SCSI Id=7, PCI 33 or 66Mhz, 512 SCBs Allocated SCBs: 4, SG List Length: 128

Serial EEPROM:
0x17c8 0x17c8 0x17c8 0x17c8 0x17c8 0x17c8 0x17c8 0x17c8 0x17c8 0x17c8 0x17c8 0x17c8 0x17c8 0x17c8 0x17c8 0x17c8 0x09f4 0x0146 0x2807 0x0010 0xffff 0xffff 0xffff 0xffff 0xffff 0xffff 0xffff 0xffff 0xffff 0xffff 0x0400 0xb3c7

Target 0 Negotiation Settings

        User: 320.000MB/s transfers (160.000MHz DT|IU|QAS, 16bit)
Target 1 Negotiation Settings
        User: 320.000MB/s transfers (160.000MHz DT|IU|QAS, 16bit)
Target 2 Negotiation Settings
        User: 320.000MB/s transfers (160.000MHz DT|IU|QAS, 16bit)
Target 3 Negotiation Settings
        User: 320.000MB/s transfers (160.000MHz DT|IU|QAS, 16bit)
Target 4 Negotiation Settings
        User: 320.000MB/s transfers (160.000MHz DT|IU|QAS, 16bit)
Target 5 Negotiation Settings
        User: 320.000MB/s transfers (160.000MHz DT|IU|QAS, 16bit)
Target 6 Negotiation Settings
        User: 320.000MB/s transfers (160.000MHz DT|IU|QAS, 16bit)
Target 7 Negotiation Settings
        User: 320.000MB/s transfers (160.000MHz DT|IU|QAS, 16bit)
Target 8 Negotiation Settings
        User: 320.000MB/s transfers (160.000MHz DT|IU|QAS, 16bit)
Target 9 Negotiation Settings
        User: 320.000MB/s transfers (160.000MHz DT|IU|QAS, 16bit)
Target 10 Negotiation Settings
        User: 320.000MB/s transfers (160.000MHz DT|IU|QAS, 16bit)
Target 11 Negotiation Settings
        User: 320.000MB/s transfers (160.000MHz DT|IU|QAS, 16bit)
Target 12 Negotiation Settings
        User: 320.000MB/s transfers (160.000MHz DT|IU|QAS, 16bit)
Target 13 Negotiation Settings
        User: 320.000MB/s transfers (160.000MHz DT|IU|QAS, 16bit)
Target 14 Negotiation Settings
        User: 320.000MB/s transfers (160.000MHz DT|IU|QAS, 16bit)
Target 15 Negotiation Settings
        User: 320.000MB/s transfers (160.000MHz DT|IU|QAS, 16bit)

15:05 fsgqa@sheila ~ 113>

cheers.

Signature · 1 line

Nathan