Resize VG
Hi,
this is my setup:
- server HP Proliant DL740 with Red Hat AS 3 (kernel 2.4.21-9ELsmp) with all updates installed
- two Host Bus Adapter FC2214 with qla2x00 driver from HP (v.6.06.50)
- a SAN with an HP EVA3000 disk-array
- LVM
Does LVM support extending LUN size?
I extended size of an existing LUN from my disk-array manager but vgdisplay shows me always the original size (with no free physical extents). No change if I reboot, I need to destroy and re-create volume group.
Have I some other chance?
Thanks
Domenico Viggiani
Quoted 1 line · Mimmus
Does LVM support extending LUN size?
LVM1 does not support extending lun size.
Quoted 3 lines
I extended size of an existing LUN from my disk-array manager but vgdisplay shows me always the original size (with no free physical extents). No change if I reboot, I need to destroy and re-create volume group.
did you partition the lun or are you using a whole device?
in the former case you can add a second partition, in the latter your
only chance is to reduce the lun again and assign the space as a new
lun, iirc you should be able to allocate more than one lun from the same disk group. i
am not that sure about reducing.
Watch out for the maximum number of sd devices in the kernel which is probably limited to 40 (CONFIG_SD_EXTRA_DEVS)
L.
Signature · 6 lines
Luca Berra -- [email protected] Communication Media & Services S.r.l. /"\ \ / ASCII RIBBON CAMPAIGN X AGAINST HTML MAIL / \