SOLRSI8下RAID1和RAID5的安装及恢复( 二 )


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
对应:/pci@8,600000/SUNW,qlc@4/fp@0,0/disk@1,0

测试:
ok boot rootdisk 系统启动正常 。
ok boot mirrordisk 系统启动正常 。

假如c1t0d0盘坏掉,则停机更换硬盘后需做恢复工作,如下;
ok boot mirrordisk -s
#metadb -d c1t0d0s7
#prtvtoc /dev/rdsk/c1t1d0s2|fmthard –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 (检查镜像恢复进度)

二、RAID5
#metainit d55 –r c1t2d0s2 c1t3d0s2 c1t4d0s2 c1t5d0s2
#metastat d55 (检查RAID5的进度)
作完后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坏掉一个盘的恢复方法:
例c1t4d0盘坏掉,更换坏硬盘后作如下工作:
ok boot -r
#metareplace –e d55 c1t4d0s2
#metastat d55

卸去RAID5的方法:
#umount /raid5
#metaclear d55
#vi /etc/vfstab
注释此行:
#/dev/md/dsk/d55 /dev/md/rdsk/d55 /raid5 ufs 2 yes –

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