On 03/28/2011 03:34 PM, Mike Christie wrote:
On 03/28/2011 03:38 AM, Matthew Richardson wrote:
Looking at the logs (attached) there seems to be quick noticing of the
connection error (cable unplug), then recovery, then a long period

When did you plug the cable back in?

(around 360 seconds), then a second error/recovery (no action on my part
to trigger this). The disk writes resumed within about 5-10 seconds of
this second recovery.

What kernel is this with?

And are you using the kernel modules that come with the kernel or the ones that come with the open-iscsi tarball from kernel.org or open-iscsi.org?

And did could also enable the libiscsi debugging:

echo 1 > /sys/module/libiscsi/parameters/debug_libiscsi_eh
echo 1 > /sys/module/libiscsi/parameters/debug_libiscsi_session
echo 1 > /sys/module/libiscsi/parameters/debug_libiscsi_conn

If you do not have those files, then you are using a older kernel and there might just be a debug_libiscsi file so do:

echo 1 > /sys/module/libiscsi/parameters/debug_libiscsi

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