On 08/08/2013 12:42, Terje Elde wrote:
On 8. aug. 2013, at 00:08, Frank Leonhardt <fra...@fjl.co.uk> wrote:
As a suggestion, what happens if you read from the drives directly? Boot in
single user and try reading a Gb or two using /bin/dd. It might eliminate or
confirm a problem with ZFS.
If not too inconvenient, it'd be very interesting to see what'd happen if you
were to physically disconnect (data and power) 5 of the 6 drives, then boot and
dd from the remaining disk to /dev/null. Then repeat with another drive.
You could boot from USB to leave the system itself otherwise untouched.
The reason I'm suggesting is that I'm wondering if this can be down to a power
or cable-issue, locking things up or causing retransmits, etc.
Not sure if this would always be logged, others might be able to enlighten that
issue.
Terje
And while you're at it, could you post the output of diskinfo -v
/dev/[slices] - check the cylinder alignment and so on if you haven't
already.
Regards, Frank.
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