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Various ZED fixes

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* Teach ZED to handle spares usingi the configured ashift: if the zpool
   'ashift' property is set then ZED should use its value when kicking
   in a hotspare; with this change 512e disks can be used as spares
   for VDEVs that were created with ashift=9, even if ZFS natively
   detects them as 4K block devices.

 * Introduce an additional auto_spare test case which verifies that in
   the face of multiple device failures an appropiate number of spares
   are kicked in.

 * Fix zed_stop() in "libtest.shlib" which did not correctly wait the
   target pid.

 * Fix ZED crashing on startup caused by a race condition in libzfs
   when used in multi-threaded context.

 * Convert ZED over to using the tpool library which is already present
   in the Illumos FMA code.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: loli10K <ezomori.nozomu@gmail.com>
Closes #2562 
Closes #6858
This commit is contained in:
LOLi
2017-12-09 01:58:41 +01:00
committed by Brian Behlendorf
parent 3ab3166347
commit 4e9b156960
19 changed files with 368 additions and 101 deletions
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tests/zfs-tests/include/libtest.shlib
+14 -2
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@@ -3158,13 +3158,25 @@ function zed_stop
if [[ -f ${ZEDLET_DIR}/zed.pid ]]; then
zedpid=$(cat ${ZEDLET_DIR}/zed.pid)
kill $zedpid
wait $zedpid
while ps -p $zedpid > /dev/null; do
sleep 1
done
rm -f ${ZEDLET_DIR}/zed.pid
fi
return 0
}
#
# Drain all zevents
#
function zed_events_drain
{
while [ $(zpool events -H | wc -l) -ne 0 ]; do
sleep 1
zpool events -c >/dev/null
done
}
#
# Check is provided device is being active used as a swap device.
#