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Solaris 8 下RAID1和RAID5的安裝及恢復(fù)

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【Solaris 8 下RAID1和RAID5的安裝及恢復(fù)】
本文檔以SUN Fire V880 Server（6*73GB Dsik）為例講解在Solarsi8下使用命令行的方式安裝及維護RAID1和RAID5 。本文檔內(nèi)容都經(jīng)本人實踐驗證過，但對于不同機型僅供參考，謝謝支持！

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(tǒng)盤(c1t0d0)分區(qū)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(tǒng)安裝完成后，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/c1t0d0s2|fmthard –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(qū)表調(diào)整為和引導(dǎo)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(qū)逐一作鏡像：
①先生成replicas,這是DiskSuite內(nèi)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)


鏡像完成后，還需作如下操作：
修改EEPROM
ok devalias（察看啟動設(shè)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

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