Date: Wed, 23 Apr 2014 07:09:35 -0700 From: Gena Guchin <ggulchin@icloud.com> To: Johan Hendriks <joh.hendriks@gmail.com> Cc: freebsd-fs@freebsd.org Subject: Re: ZFS unable to import pool Message-ID: <72E79259-3DB1-48B7-8E5E-19CC2145A464@icloud.com> In-Reply-To: <5357937D.4080302@gmail.com> References: <B493BD80-CDC2-4BA6-AC14-AE16B373A051@icloud.com> <20140423064203.GD2830@sludge.elizium.za.net> <B1024D84-EBBE-4A9B-82C4-5C19B5A66B60@icloud.com> <20140423080056.GE2830@sludge.elizium.za.net> <20140423091852.GH2830@sludge.elizium.za.net> <20140423100126.GJ2830@sludge.elizium.za.net> <5357937D.4080302@gmail.com>
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Johan, Looking though the history, i DID add that disk ada7 (!) to the pool, but I added it as a separate disk. I wanted to re-add the disk to the storage pool, but it added as a new disk… this does help a lille.. anything I can do now? can I remove that vdev? thanks! On Apr 23, 2014, at 3:18 AM, Johan Hendriks <joh.hendriks@gmail.com> wrote: > > op 23-04-14 12:01, Hugo Lombard schreef: >> Hello >> >> In your original 'zpool import' output, it shows the following: >> >> Additional devices are known to be part of this pool, though their >> exact configuration cannot be determined. >> >> I'm thinking your problem might be related to devices that's supposed to >> be part of the pool but that's not shown in the import. >> >> For instance, here's my attempt at recreating your scenario: >> >> # zpool import >> pool: t >> id: 15230454775812525624 >> state: DEGRADED >> status: One or more devices are missing from the 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-8000-2Q >> config: >> t DEGRADED >> raidz1-0 DEGRADED >> md3 ONLINE >> md4 ONLINE >> md5 ONLINE >> md6 ONLINE >> 3421664295019948379 UNAVAIL cannot open >> cache >> md1s2 >> logs >> md1s1 ONLINE >> # >> >> As you can see, the pool stattus is 'DEGRADED' instead of 'UNAVAIL', and >> I don't have the 'Additional devices...' message. >> >> The pool imports OK: >> >> # zpool import t >> # zpool status t >> pool: t >> state: DEGRADED >> status: One or more devices could not be opened. Sufficient replicas exist for >> the pool to continue functioning in a degraded state. >> action: Attach the missing device and online it using 'zpool online'. >> see: http://illumos.org/msg/ZFS-8000-2Q >> scan: none requested >> config: >> NAME STATE READ WRITE CKSUM >> t DEGRADED 0 0 0 >> raidz1-0 DEGRADED 0 0 0 >> md3 ONLINE 0 0 0 >> md4 ONLINE 0 0 0 >> md5 ONLINE 0 0 0 >> md6 ONLINE 0 0 0 >> 3421664295019948379 UNAVAIL 0 0 0 was /dev/md7 >> logs >> md1s1 ONLINE 0 0 0 >> cache >> md1s2 ONLINE 0 0 0 >> errors: No known data errors >> # >> >> As a further test, let's see what happens when the cache disk >> disappears: >> >> # zpool export t >> # gpart delete -i 2 md1 >> md1s2 deleted >> # zpool import >> pool: t >> id: 15230454775812525624 >> state: DEGRADED >> status: One or more devices are missing from the 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-8000-2Q >> config: >> t DEGRADED >> raidz1-0 DEGRADED >> md3 ONLINE >> md4 ONLINE >> md5 ONLINE >> md6 ONLINE >> 3421664295019948379 UNAVAIL cannot open >> cache >> 7736388725784014558 >> logs >> md1s1 ONLINE >> # zpool import t >> # zpool status t >> pool: t >> state: DEGRADED >> status: One or more devices could not be opened. Sufficient replicas exist for >> the pool to continue functioning in a degraded state. >> action: Attach the missing device and online it using 'zpool online'. >> see: http://illumos.org/msg/ZFS-8000-2Q >> scan: none requested >> config: >> NAME STATE READ WRITE CKSUM >> t DEGRADED 0 0 0 >> raidz1-0 DEGRADED 0 0 0 >> md3 ONLINE 0 0 0 >> md4 ONLINE 0 0 0 >> md5 ONLINE 0 0 0 >> md6 ONLINE 0 0 0 >> 3421664295019948379 UNAVAIL 0 0 0 was /dev/md7 >> logs >> md1s1 ONLINE 0 0 0 >> cache >> 7736388725784014558 UNAVAIL 0 0 0 was /dev/md1s2 >> errors: No known data errors >> # >> >> So even with a missing raidz component and a missing cache device, the >> pool still imports. >> >> I think some crucial piece of information is missing to complete the >> picture. >> > Did you in the past add an extra disk to the pool? > This could explain the whole issue as the pool is missing a whole vdev. > > regards > Johan > > _______________________________________________ > freebsd-fs@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-fs > To unsubscribe, send any mail to "freebsd-fs-unsubscribe@freebsd.org"
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