本文档以SUN Fire V880 Server(6*73GB Dsik)为例讲解在Solarsi8下使用命令行的方式安装及维护RAID1和RAID5。
以SUN Fire V880 Server(6*73GB Dsik)为例讲解在Solarsi8下使用命令行的方式安装及维护RAID1和RAID5。本文档内容都经本人实践验证过，但对于不同机型仅供参考。
Disk分布情况:
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0:c1t0d0 1:c1t1d0 2:c1t2d0 3:c1t3d0 4:c1t4d0 5:c1t5d0 |
注:0,1做镜像;2，3，4，5做RAID5
系统盘(c1t0d0)分区及镜像盘(c1t1d0)情况:
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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 |
系统安装完成后，使用Solarsi8 software 2 of 2安装DiskSuite_4.2.1软件，安装路径:/cdrom/cdrom0/Solaris_8/EA/installer & 选择默认安装就可以。
用root用户登陆,运行以下命令:
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#prtvtoc /dev/rdsk/c1t0d0s2|fmthard –s – /dev/rdsk/c1t1d0s2 fmthard:New volume table of contents now in place |
上面命令将第二块硬盘(c1t1d0)的文件分区表调整为和引导盘一致。
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#umount /metaDB #rm –r /metaDB #vi /etc/vfstab |
将下面这行注释掉或删除,如下:
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#/dev/dsk/c1t0d0s7 /dev/rdsk/c1t0d0s7 /metaDB ufs 1 yes – |
一、RAID1
对各个分区逐一作镜像:
①先生成replicas,这是DiskSuite内部用的。
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#metadb –a –f –c 3 c1t0d0s7 c1t1d0s7 #metadb |
②Creating a mirror from swap
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#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
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#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
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#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
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#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
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#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 /
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#metainit –f d10 1 1 c1t0d0s0 #metainit d20 1 1 c1t1t0s0 #metainit d0 –m d10 #metaroot d0 #lockfs –fa #reboot #metattach d0 d20 |
#metastat (检查镜像进度)
镜像完成后，还需作如下操作:
修改EEPROM
ok devalias(察看启动设备)
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
对应:/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
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;
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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
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#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:
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ok boot -r #metareplace –e d55 c1t4d0s2 #metastat d55 |
卸去RAID5的方法:
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#umount /raid5 #metaclear d55 #vi /etc/vfstab |
注释此行:
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#/dev/md/dsk/d55 /dev/md/rdsk/d55 /raid5 ufs 2 yes – |
