다음 예는 테이프 장치 /dev/rmt/0에서 노드 phys-schost-1로 복원되는 루트(/) 파일 시스템입니다. 노드 phys-schost-1을 제거하고 나중에 다시 디스크 세트 schost-1에 추가하기 위해 클러스터의 다른 노드 phys-schost-2에서 metaset 명령이 실행됩니다. 다른 명령은 모두 phys-schost-1에서 실행됩니다. 새 부트 블록은 /dev/rdsk/c0t0d0s0에 만들어지고 상태 데이터베이스 복제 세 개는 /dev/rdsk/c0t0d0s4 에 만들어집니다.
[Become superuser on a cluster node with access to the metaset,other than the node to be restored.] [Remove the node from the metaset:] phys-schost-2# metaset -s schost-1 -f -d -h phys-schost-1 [Replace the failed disk and boot the node:] ok boot cdrom -s [Use format and newfs to recreate partitions and file systems.] [Mount the root file system on a temporary mount point:] # mount /dev/dsk/c0t0d0s0 /a [Restore the root file system:] # cd /a # ufsrestore rvf /dev/rmt/0 # rm restoresymtable [Install a new boot block:] # /usr/sbin/installboot /usr/platform/`uname \ -i`/lib/fs/ufs/bootblk /dev/rdsk/c0t0d0s0 [Remove the lines in /temp-mount-point/etc/system file for MDD root information:] * Begin MDD root info (do not edit) forceload: misc/md_trans forceload: misc/md_raid forceload: misc/md_mirror forceload: misc/md_hotspares forceload: misc/md_stripe forceload: drv/pcipsy forceload: drv/glm forceload: drv/sd rootdev:/pseudo/md@0:0,10,blk * End MDD root info (do not edit) [Edit the /temp-mount-point/etc/vfstab file] Example: Change from- /dev/md/dsk/d10 /dev/md/rdsk/d10 / ufs 1 no - Change to- /dev/dsk/c0t0d0s0 /dev/rdsk/c0t0d0s0 /usr ufs 1 no - [Unmount the temporary file system and check the raw disk device:] # cd / # umount /a # fsck /dev/rdsk/c0t0d0s0 [Reboot in single-user mode:] # reboot -- "-s" [Replace the disk ID:] # scdidadm -R /dev/dsk/c0t0d0 [Recreate state database replicas:] # metadb -c 3 -af /dev/rdsk/c0t0d0s4 # reboot Type CTRL-d to boot into multiuser mode. [Add the node back to the metaset:] phys-schost-2# metaset -s schost-1 -a -h phys-schost-1 |