zfs, cam sticking on failed disk
Slawa Olhovchenkov
slw at zxy.spb.ru
Thu May 7 08:07:54 UTC 2015
I have zpool of 12 vdev (zmirrors).
One disk in one vdev out of service and stop serving reuquest:
dT: 1.036s w: 1.000s
L(q) ops/s r/s kBps ms/r w/s kBps ms/w %busy Name
0 0 0 0 0.0 0 0 0.0 0.0| ada0
0 0 0 0 0.0 0 0 0.0 0.0| ada1
1 0 0 0 0.0 0 0 0.0 0.0| ada2
0 0 0 0 0.0 0 0 0.0 0.0| ada3
0 0 0 0 0.0 0 0 0.0 0.0| da0
0 0 0 0 0.0 0 0 0.0 0.0| da1
0 0 0 0 0.0 0 0 0.0 0.0| da2
0 0 0 0 0.0 0 0 0.0 0.0| da3
0 0 0 0 0.0 0 0 0.0 0.0| da4
0 0 0 0 0.0 0 0 0.0 0.0| da5
0 0 0 0 0.0 0 0 0.0 0.0| da6
0 0 0 0 0.0 0 0 0.0 0.0| da7
0 0 0 0 0.0 0 0 0.0 0.0| da8
0 0 0 0 0.0 0 0 0.0 0.0| da9
0 0 0 0 0.0 0 0 0.0 0.0| da10
0 0 0 0 0.0 0 0 0.0 0.0| da11
0 0 0 0 0.0 0 0 0.0 0.0| da12
0 0 0 0 0.0 0 0 0.0 0.0| da13
0 0 0 0 0.0 0 0 0.0 0.0| da14
0 0 0 0 0.0 0 0 0.0 0.0| da15
0 0 0 0 0.0 0 0 0.0 0.0| da16
0 0 0 0 0.0 0 0 0.0 0.0| da17
0 0 0 0 0.0 0 0 0.0 0.0| da18
24 0 0 0 0.0 0 0 0.0 0.0| da19
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
0 0 0 0 0.0 0 0 0.0 0.0| da20
0 0 0 0 0.0 0 0 0.0 0.0| da21
0 0 0 0 0.0 0 0 0.0 0.0| da22
0 0 0 0 0.0 0 0 0.0 0.0| da23
0 0 0 0 0.0 0 0 0.0 0.0| da24
0 0 0 0 0.0 0 0 0.0 0.0| da25
0 0 0 0 0.0 0 0 0.0 0.0| da26
0 0 0 0 0.0 0 0 0.0 0.0| da27
As result zfs operation on this pool stoped too.
`zpool list -v` don't worked.
`zpool detach tank da19` don't worked.
Application worked with this pool sticking in `zfs` wchan and don't killed.
# camcontrol tags da19 -v
(pass19:isci0:0:3:0): dev_openings 7
(pass19:isci0:0:3:0): dev_active 25
(pass19:isci0:0:3:0): allocated 25
(pass19:isci0:0:3:0): queued 0
(pass19:isci0:0:3:0): held 0
(pass19:isci0:0:3:0): mintags 2
(pass19:isci0:0:3:0): maxtags 255
How I can cancel this 24 requst?
Why this requests don't timeout (3 hours already)?
How I can forced detach this disk? (I am lready try `camcontrol reset`, `camconrol rescan`).
Why ZFS (or geom) don't timeout on request and don't rerouted to da18?
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