Date: Wed, 4 Jan 2017 12:13:48 -0600 From: Arthur Ramsey <arthur_ramsey@mediture.com> To: freebsd-fs@freebsd.org Subject: Unable to import degraded zpool Message-ID: <5e87711e-83e8-b813-2224-a3c7d00d6ad0@mediture.com>
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Hello, I had 2 pools on Nexenta 4. One pool caused Nexenta to boot loop, so I decided to install FreeNAS 9.10.2. No idea why it starting acting up: no changes were made nor was a scrub started. I've previously migrated pools from Nexenta 4 to FreeNAS 9.3 without issue. FreeNAS reported one of the pools reported as corrupted though all disks were online, which is the pool that was causing the boot loop I think. I recreated that pool since the data was more easily replaceable. I had another pool that reported as online, but it failed to import with a missing disk error and dmesg had errors about incompatible mediasize. One disk was shown with the blkdev name (daXXpX) in the zfs import output and zdb -l revealed what I thought was a label for an old pool, so I did a zpool labelclear on it; however, it still failed to import with the same error and as expected now reported as degraded. I then tried FreeNAS 9.3.1 and got the same missing disk error, but nothing interesting in dmesg: http://pastebin.com/w0VBcCfy, http://pastebin.com/NH0uyULV. No combination of -f, -F, -n, -N, -X, -T or -o readonly=on will import the pool on FreeNAS 9.3.1, FreeNAS 9.10.2, OpenIndiana Hipster or Ubuntu 16.04.1. On FreeNAS, I had vfs.zfs.recover=1 and vfs.zfs.debug=1. A memory test passed on the machine and the recreated pool seemed to work OK, but I tried moving the pool's disks to a known good machine running FreeNAS 9.3 and I had the same result. # zpool import pool: xensr id: 17993649064102742628 state: DEGRADED status: The pool was last accessed by another system. action: The pool can be imported despite missing or damaged devices. The fault tolerance of the pool may be compromised if imported. see: http://illumos.org/msg/ZFS-8000-EY config: xensr DEGRADED mirror-0 DEGRADED gptid/f3ececf5-a319-9266-b870-bc3259f24b68 ONLINE 5862692444503195050 UNAVAIL cannot open mirror-1 ONLINE mfisyspd6p1 ONLINE gptid/7cbacbcb-30f8-b5cd-a569-c92eea865edd ONLINE mirror-3 ONLINE mfisyspd5p1 ONLINE mfisyspd4p1 ONLINE mirror-4 ONLINE mfisyspd3p1 ONLINE mfisyspd1p1 ONLINE cache 12574043822818177481 spares 11626098521560667599 logs mirror-2 ONLINE mfisyspd8p1 ONLINE mfisyspd7p1 ONLINE # zpool import -f xensr cannot import 'xensr': one or more devices is currently unavailable Could it be a bug with importing non-exported degraded pools or unreported corruption? I tried the FreeNAS IRC channel and got some assistance, but no solution. I cannot get logged into their forums. The OpenZFS advises to use platform specific mailing lists. I decided to try this mailing list. Thanks, Arthur This e-mail and any attachments may contain CONFIDENTIAL information, including PROTECTED HEALTH INFORMATION. If you are not the intended recipient, any use or disclosure of this information is STRICTLY PROHIBITED; you are requested to delete this e-mail and any attachments, notify the sender immediately, and notify the Mediture Privacy Officer at privacyofficer@mediture.com.
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