下列範例顯示在節點 d1 phys‐schost‐1 建立鏡映,以便鏡映 /usr,這是位於 c0t0d0s1 上。 d1 鏡像包含分割區 c0t0d0s1 上的子鏡像 d11 和分割區 c2t2d0s1 上的 d21。 /usr 的 /etc/vfstab 檔案項目會更新為使用鏡像名稱 d1。 磁碟 c2t2d0 是多埠連接的磁碟,所以啟用 localonly 屬性。
(Create the mirror) # metainit -f d11 1 1 c0t0d0s1 d11: Concat/Stripe is setup # metainit d21 1 1 c2t2d0s1 d21: Concat/Stripe is setup # metainit d1 -m d11 d1: Mirror is setup (Edit the /etc/vfstab file) # vi /etc/vfstab #device device mount FS fsck mount mount #to mount to fsck point type pass at boot options # /dev/md/dsk/d1 /dev/md/rdsk/d1 /usr ufs 2 no global (Move resource groups and device groups from phys-schost-1) # scswitch -S -h phys-schost-1 (Reboot the node) # shutdown -g0 -y -i6 (Attach the second submirror) # metattach d1 d21 d1: Submirror d21 is attached (View the sync status) # metastat d1 d1: Mirror Submirror 0: d11 State: Okay Submirror 1: d21 State: Resyncing Resync in progress: 15 % done … (Identify the device-ID name of the mirrored disk's raw-disk device group) # scdidadm -L … 1 phys-schost-3:/dev/rdsk/c2t2d0 /dev/did/rdsk/d2 (Display the device-group node list) # scconf -pvv | grep dsk/d2 Device group name: dsk/d2 … (dsk/d2) Device group node list: phys-schost-1, phys-schost-3 … (Remove phys-schost-3 from the node list) # scconf -r -D name=dsk/d2,nodelist=phys-schost-3 (Enable the localonly property) # scconf -c -D name=dsk/d2,localonly=true |