Disk分布情況： 0:c1t0d0 1:c1t1d0 2:c1t2d0 3:c1t3d0 4:c1t4d0 5:c1t5d0 注：0,1做鏡像；2，3，4，5做RAID5 系統盤(c1t0d0)分區及鏡像盤(c1t1d0)情況： c1t0d0s0(d10) d0 c1t1d0s0(d20) / 1024M c1t0d0s1(d11) d1 c1t1d0s1(d21) swap 8192M c1t0d0s2 c1t1d0s2 overlap 69999M c1t0d0s3(d13) d3 c1t1d0s3(d23) /usr 4096M c1t0d0s4(d14) d4 c1t1d0s4(d24) /opt 10240M c1t0d0s5(d15) d5 c1t1d0s5(d25) /var 2048M c1t0d0s6(d16) d6 c1t1d0s6(d26) /home free c1t0d0s7 c1t1d0s7 /metaDB 30M 系統安裝完成後，使用Solarsi8 software 2 of 2安裝DiskSuite_4.2.1軟件，安裝路徑：/cdrom/cdrom0/Solaris_8/EA/installer & 選擇默認安裝就可以。 用root用戶登陸,運行以下命令： #prtvtoc /dev/rdsk/c1t0d0s2fmthard –s – /dev/rdsk/c1t1d0s2 fmthard:New volume table of contents now in place 上面命令將第二塊硬盤(c1t1d0)的文件分區表調整為和引導盤一致。 #umount /metaDB #rm –r /metaDB #vi /etc/vfstab 將下面這行注釋掉或刪除,如下： #/dev/dsk/c1t0d0s7 /dev/rdsk/c1t0d0s7 /metaDB ufs 1 yes – 一、RAID1 對各個分區逐一作鏡像： ①先生成replicas,這是DiskSuite內部用的。 #metadb –a –f –c 3 c1t0d0s7 c1t1d0s7 #metadb ②Creating a mirror from swap #metainit –f d11 1 1 c1t0d0s1 #metainit d21 1 1 c1t1t0s1 #metainit d1 –m d11 #vi /etc/vfstab /dev/dsk/c1t0d0s1 - - swap – no – should be changed to: /dev/md/dsk/d1 - - swap – no - #reboot #metattach d1 d21 ③Creating a mirror from /usr #metainit –f d13 1 1 c1t0d0s3 #metainit d23 1 1 c1t1t0s3 #metainit d3 –m d13 #vi /etc/vfstab /dev/dsk/c1t0d0s3 /dev/rdsk/c1t0d0s3 /usr ufs 1 yes – should be changed to: /dev/md/dsk/d3 /dev/md/rdsk/d3 /usr ufs 1 yes – #reboot #metattach d3 d23 ④Creating a mirror from /opt #metainit –f d14 1 1 c1t0d0s4 #metainit d24 1 1 c1t1t0s4 #metainit d4 –m d14 #vi /etc/vfstab /dev/dsk/c1t0d0s4 /dev/rdsk/c1t0d0s4 /opt ufs 1 yes – should be changed to: /dev/md/dsk/d4 /dev/md/rdsk/d4 /opt ufs 1 yes – #reboot #metattach d4 d24 ⑤Creating a mirror from /var #metainit –f d15 1 1 c1t0d0s5 #metainit d25 1 1 c1t1t0s5 #metainit d5 –m d15 #vi /etc/vfstab /dev/dsk/c1t0d0s5 /dev/rdsk/c1t0d0s5 /var ufs 1 yes – should be changed to: /dev/md/dsk/d5 /dev/md/rdsk/d5 /var ufs 1 yes – #reboot #metattach d5 d25 ⑥Creating a mirror from /home #metainit –f d16 1 1 c1t0d0s6 #metainit d26 1 1 c1t1t0s6 #metainit d6 –m d16 #vi /etc/vfstab /dev/dsk/c1t0d0s6 /dev/rdsk/c1t0d0s6 /home ufs 1 yes – should be changed to: /dev/md/dsk/d6 /dev/md/rdsk/d6 /home ufs 1 yes – #reboot #metattach d6 d26 ⑦Creating a mirror from / #metainit –f d10 1 1 c1t0d0s0 #metainit d20 1 1 c1t1t0s0 #metainit d0 –m d10 #metaroot d0 #lockfs –fa #reboot #metattach d0 d20 #metastat (檢查鏡像進度) 鏡像完成後，還需作如下操作： 修改EEPROM ok devalias（察看啟動設備） ok nvalias rootdisk /pci@8,600000/SUNW,qlc@4/fp@0,0/disk@0,0 ok nvalias mirrdisk /pci@8,600000/SUNW,qlc@4/fp@0,0/disk@1,0 ok setenv boot-device rootdisk mirrdisk eeprom命令： boot-device=rootdisk mirrdisk boot-device=rootdisk mirrdisk use-nvramrc?=true nvramrc=devalias mirrdisk /pci@8,600000/SUNW,qlc@4/fp@0,0/disk@1,0 devalias rootdisk /pci@8,600000/SUNW,qlc@4/fp@0,0/disk@0,0 #ls -l c1t0d0s0 lrwxrwxrwx 1 root root 70 1月 2 10:45 c1t0d0s0 -> ../../devices/pci@8,600000/SUNW,qlc@4/fp@0,0/ssd@w21000000870e80e7,0:a 對應：/pci@8,600000/SUNW,qlc@4/fp@0,0/disk@0,0 root@voiplnjvr4 # ls -l c1t1d0s0 lrwxrwxrwx 1 root root 70 1月 2 10:45 c1t1d0s0 -> ../../devices/pci@8,600000/SUNW,qlc@4/fp@0,0/ssd@w21000000870fb287,0:a 對應：/pci@8,600000/SUNW,qlc@4/fp@0,0/disk@1,0 測試： ok boot rootdisk 系統啟動正常。 ok boot mirrordisk 系統啟動正常。 假如c1t0d0盤壞掉，則停機更換硬盤後需做恢復工作，如下； ok boot mirrordisk -s #metadb -d c1t0d0s7 #prtvtoc /dev/rdsk/c1t1d0s2fmthard –s – /dev/rdsk/c1t0d0s2 #metadb –a –f –c 3 c1t0d0s7 #halt ok boot mirrordisk #metareplace -e d0 c1t0d0s0 d0: device c1t0d0s0 is enabled #metareplace -e d1 c1t0d0s1 d1: device c1t0d0s1 is enabled #metareplace -e d3 c1t0d0s3 d3: device c1t0d0s3 is enabled #metareplace -e d4 c1t0d0s4 d4: device c1t0d0s4 is enabled #metareplace -e d5 c1t0d0s5 d5: device c1t0d0s5 is enabled #metareplace -e d6 c1t0d0s6 d6: device c1t0d0s6 is enabled #metastat (檢查鏡像恢復進度) 二、RAID5 #metainit d55 –r c1t2d0s2 c1t3d0s2 c1t4d0s2 c1t5d0s2 #metastat d55 (檢查RAID5的進度) 作完後reboot #newfs /dev/md/rdsk/d55 #mkdir /raid5 #vi /etc/vfstab 添加一行： /dev/md/dsk/d55 /dev/md/rdsk/d55 /raid5 ufs 2 yes – #reboot RAID5壞掉一個盤的恢復方法： 例c1t4d0盤壞掉，更換壞硬盤後作如下工作： ok boot -r #metareplace –e d55 c1t4d0s2 #metastat d55 卸去RAID5的方法： #umount /raid5 #metaclear d55 #vi /etc/vfstab 注釋此行： #/dev/md/dsk/d55 /dev/md/rdsk/d55 /raid5 ufs 2 yes –
