Re: md on shared storage

[Eric Weigle <ehw@lanl.gov>]

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> 2.4.19 appears to have that patch already applied except for changing the 
> QLOGICFC_REQ_QUEUE_LEN to 255 in qlogicfc.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/ 
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