Hi, I have a SunFire X4540 with 19TB in a RAID-Z configuration; here's my zpool status:
pool: raid state: UNAVAIL status: One or more devices are faulted in response to IO failures. action: Make sure the affected devices are connected, then run 'zpool clear'. see: http://www.sun.com/msg/ZFS-8000-HC scrub: resilver in progress for 84h11m, 99.47% done, 0h27m to go config: NAME STATE READ WRITE CKSUM raid UNAVAIL 0 0 451 insufficient replicas raidz1 UNAVAIL 0 0 902 insufficient replicas c0t3d0 ONLINE 0 0 0 c1t3d0 ONLINE 0 0 0 c2t3d0 ONLINE 0 0 0 c3t3d0 ONLINE 0 0 0 c4t3d0 UNAVAIL 472 94 0 cannot open c5t3d0 ONLINE 0 0 0 c0t7d0 ONLINE 0 0 0 c1t7d0 ONLINE 0 0 0 c2t7d0 ONLINE 0 0 0 c3t7d0 ONLINE 0 0 0 c0t2d0 ONLINE 0 0 0 c1t2d0 ONLINE 0 0 0 c2t2d0 ONLINE 0 0 0 c3t2d0 ONLINE 0 0 0 c4t2d0 ONLINE 0 0 0 c4t6d0 ONLINE 0 0 0 spare DEGRADED 7 0 66.8M c5t2d0 FAULTED 11 2 0 too many errors replacing DEGRADED 0 0 0 c5t7d0 FAULTED 13 0 0 too many errors c5t6d0 ONLINE 0 0 0 202G resilvered c0t6d0 ONLINE 0 0 0 c1t6d0 ONLINE 0 0 0 c2t6d0 ONLINE 0 0 0 c3t6d0 ONLINE 0 0 0 spare DEGRADED 0 0 0 c0t1d0 FAULTED 0 0 0 too many errors c4t7d0 ONLINE 0 0 0 c1t1d0 ONLINE 0 0 0 c2t1d0 ONLINE 0 0 0 c3t1d0 ONLINE 0 0 0 c4t1d0 ONLINE 0 0 0 c4t5d0 ONLINE 0 0 0 c0t5d0 ONLINE 0 0 0 c1t5d0 ONLINE 0 0 0 c2t5d0 ONLINE 0 0 0 c3t5d0 ONLINE 0 0 0 c5t1d0 ONLINE 0 0 0 c5t5d0 ONLINE 0 0 0 c0t4d0 ONLINE 0 0 0 c2t0d0 ONLINE 0 0 0 c3t0d0 ONLINE 0 0 0 c4t0d0 ONLINE 0 0 0 c5t0d0 ONLINE 0 0 0 c1t4d0 ONLINE 0 0 0 c2t4d0 ONLINE 0 0 0 c3t4d0 ONLINE 0 0 0 c4t4d0 ONLINE 0 0 0 spares c4t7d0 INUSE currently in use c5t7d0 INUSE currently in use c5t6d0 INUSE currently in use c5t4d0 AVAIL errors: 911 data errors, use '-v' for a list It looks like the resilver has got stuck; Oracle have sent out a replacement disk today and are asking me to replace c5t7d0. If I am understanding the documentation correctly, I believe I need to do the following: zpool offline raid c5t7d0 cfgadm -c unconfigure c5::dsk/c5t7d0 ....before physically replacing the disk. However, I get the following messages when trying to do this: # zpool offline raid c5t7d0 cannot offline c5t7d0: device is reserved as a hot spare # cfgadm -c unconfigure c5::dsk/c5t7d0 cfgadm: Hardware specific failure: failed to unconfigure SCSI device: Device busy I also tried a detach: # zpool detach raid c5t7d0 cannot detach c5t7d0: pool I/O is currently suspended And I also tried using the last available spare to try and free up the disk I need to replace: # zpool replace raid c5t2d0 c5t4d0 Cannot replace c5t2d0 with c5t4d0: device has already been replaced with a spare I am new to ZFS, how would I go about safely removing the affected drive in the software, before physically replacing it? I'm also not sure at exactly which juncture to do a 'zpool clear' and 'zpool scrub'? I'd appreciate any guidance - thanks in advance, Mark ---- Mark Mahabir Systems Manager, X-Ray and Observational Astronomy Dept. of Physics & Astronomy, University of Leicester, LE1 7RH Tel: +44(0)116 252 5652 email: mark.maha...@leicester.ac.uk Elite Without Being Elitist Times Higher Awards Winner 2007, 2008, 2009, 2010 Follow us on Twitter http://twitter.com/uniofleicsnews
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