md on shared storage
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2.4.19 appears to have that patch already applied except for changing the
QLOGICFC_REQ_QUEUE_LENto 255 inqlogicfc.h. I made that change and rebooted with the new kernel. And I still have the same problem. I did however make sure none of the other hosts had the raid device started, and it still does the same thing, which pushes my suspicion back onto the drivers.
Oh well... it was just an idea.
All I know for certain is that I've got a machine here with fiber channel running to a 7-disk Linux software RAID-0 array (240GB, stolen from a defunct NetApp) that would lock up and die all the time, even using 2.4.19. Using 2.5.44, which includes the patch I mentioned before, it's been up for 23 days rock solid. [side note: The layout of the disks in my raidtab reversed annoyingly between 2.4 and 2.5... whose bright idea was that?].
Providing more information (hardware info, log messages, so forth) might allow the more capable people on the list to debug your problem.
Thanks,
-Eric
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------------------------------------------------ Eric H. Weigle -- http://public.lanl.gov/ehw/ ------------------------------------------------