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[zfs-discuss] hung pool on iscsi

Subject: [zfs-discuss] hung pool on iscsi
From: Jacob Ritorto
Date: Mon, 16 Nov 2009 08:55:19 -0500
zpool for zone of customer-facing production appserver hung due to iscsi transport errors. How can I {forcibly} reset this pool? zfs commands are hanging and iscsiadm remove refuses.

root@Raadiku~[8]8:48#iscsiadm remove static-config iqn.1986-03.com.sun:02:aef78e-955a-4072-c7f6-afe087723466
iscsiadm: logical unit in use
iscsiadm: Unable to complete operation

root@Raadiku~[6]8:45#dmesg
[...]
Nov 16 00:03:30 Raadiku scsi: [ID 243001 kern.warning] WARNING: /scsi_vhci (scsi_vhci0): Nov 16 00:03:30 Raadiku /scsi_vhci/ssd@g0100003048c514da00002a0049ae9806 (ssd3): Command Timeout on path /iscsi (iscsi0) Nov 16 00:03:30 Raadiku scsi: [ID 107833 kern.warning] WARNING: /scsi_vhci/ssd@g0100003048c514da00002a0049ae9806 (ssd3): Nov 16 00:03:30 Raadiku SCSI transport failed: reason 'timeout': retrying command Nov 16 08:40:10 Raadiku su: [ID 810491 auth.crit] 'su root' failed for jritorto on /dev/pts/1 Nov 16 08:47:05 Raadiku iscsi: [ID 213721 kern.notice] NOTICE: iscsi session(9) - session logout failed (1)

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