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。裝置 c2t2d0 是多重主機磁碟,因此已啟用 localonly 特性。
(建立鏡像) # 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 (編輯 /etc/vfstab 檔案) # 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 (移動 phys-schost-1 中的資源群組和裝置群組) # scswitch -S -h phys-schost-1 (重新啟動節點) # shutdown -g0 -y -i6 (附加第二子鏡像) # metattach d1 d21 d1: Submirror d21 is attached (檢視同步狀態) # metastat d1 d1: Mirror Submirror 0: d11 State: Okay Submirror 1: d21 State: Resyncing Resync in progress: 15 % done … (識別已鏡像磁碟的原始磁碟裝置群組之裝置 ID 名稱) # scdidadm -L … 1 phys-schost-3:/dev/rdsk/c2t2d0 /dev/did/rdsk/d2 (顯示裝置群組節點清單) # scconf -pvv | grep dsk/d2 Device group name: dsk/d2 … (dsk/d2) Device group node list: phys-schost-1, phys-schost-3 … (從節點清單中移除 phys-schost-3) # scconf -r -D name=dsk/d2,nodelist=phys-schost-3 (啟用 localonly 特性) # scconf -c -D name=dsk/d2,localonly=true |