I won't comment on the SVM bits because I haven't used it in many years. For the ZFS bits you just need to "detach" it from the zpool, then "attach" after you replace the drive. -- richard
Matt Cohen wrote: > Hi. We have a hard drive failing in one of our production servers. > > The server has two drives, mirrored. It is split between UFS with SVM, and > ZFS. > > Both drives are setup as follows. The drives are c0t0d0 and c0t1d0. c0t1d0 > is the failing drive. > > slice 0 - 3.00GB UFS (root partition) > slice 1 - 1.00GB swap > slice 3 - 4.00GB UFS (var partition) > slice 4 - 60GB ZFS (mirrored slice in our zfs pool) > slice 6 - 54MB metadb > slice 7 - 54MB metadb > > I think I have the plan to replace the harddrive without interrupting either > the SVM mirrors on slices 0,1,3 or the ZFS pool which is mirrored on slice 4. > I am hoping someone can take a quick look and let me know if I missed > anything: > > 1) Detach the SVM mirrors on the failing drive > =========================================== > metadetach -f d0 d20 > metaclear d20 > metadetach -f d1 d21 > metaclear d21 > metadetach -f d3 d23 > metaclear d23 > > 2) Remove the metadb's from the failing drive: > =========================================== > metadb -f -d c0t1d0s6 > metadb -f -d c0t1d0s7 > > 3) Offline the ZFS mirror slice > =========================================== > zpool offline <poolname> c0t1d0s0 > > 4) At this point it should be safe to remove the drive. All SVM mirrors are > detached, the metadb's on the failed drive are deleted, and the ZFS slice is > offline. > > 5) Insert and partition the new drive so it's partitions are the same as the > working drive. > > 6) Create the SVM partitions and attach them > =========================================== > metainit d20 1 1 c0t1d0s0 > metattach d0 d20 > metainit d21 1 1 c0t1d0s1 > metattach d1 d21 > metainit d23 1 1 c0t1d0s3 > metattach d3 d23 > > 7) Add the metadb's back to the new drive > =========================================== > metadb -a -f -c2 c0t1d0s6 c0t1d0s7 > > 8) Add the ZFS slice back to the zfs pool as part of the mirrored pool > =========================================== > zpool replace hrlpool c0t1d0s4 > zpool online c0t1d0s4 > > DONE > > The drive should be functioning at this point. > > Does this look correct? Have I missed anything obvious? > > I know this isn't totally ZFS related, but I wasn't sure where to put it > since it has both SVM and ZFS mirrored slices. > > Thanks in advance for any input. > > > This message posted from opensolaris.org > _______________________________________________ > zfs-discuss mailing list > zfs-discuss@opensolaris.org > http://mail.opensolaris.org/mailman/listinfo/zfs-discuss > _______________________________________________ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
