Jim Duchek wrote:
Hi all. Regularly after a large write to the disk (untarring a very
large file, etc), my RAID5 will 'freeze' for a period of time --
perhaps around a minute. My system is completely responsive otherwise
during this time,
Why don't you
cat /proc/<pid of blocked process>/stack
to see what was the process doing?
Maybe more than once to see if it hangs always on the same syscalls...
I believe this is more useful if there is only 1 access to the array,
not concurrent access. You need to freeze it with e.g. the tar only,
This might identify filesystem problems. Other problems might be more
difficult.
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