閱讀提示：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(hù)RAID1和RAID5。
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(hù)RAID1和RAID5。本文檔內(nèi)容都經(jīng)本人實(shí)踐驗(yàn)證過，但對(duì)于不同機(jī)型僅供參考。
Disk分布情況:
0:c1t0d0 1:c1t1d0 2:c1t2d0 3:c1t3d0 4:c1t4d0 5:c1t5d0
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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
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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(rèn)安裝就可以。
用root用戶登陸,運(yùn)行以下命令:
#prtvtoc /dev/rdsk/c1t0d0s2|fmthard –s – /dev/rdsk/c1t1d0s2 fmthard:New volume table of contents now in place
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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
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將下面這行注釋掉或刪除,如下:
#/dev/dsk/c1t0d0s7 /dev/rdsk/c1t0d0s7 /metaDB ufs 1 yes –
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一、RAID1
對(duì)各個(gè)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
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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
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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
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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
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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
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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
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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
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#metastat (檢查鏡像進(jìn)度)
鏡像完成后，還需作如下操作:
修改EEPROM
ok devalias(察看啟動(dòng)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
對(duì)應(yīng):/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(duì)應(yīng):/pci@8,600000/SUNW,qlc@4/fp@0,0/disk@1,0
測(cè)試:
ok boot rootdisk 系統(tǒng)啟動(dòng)正常。
ok boot mirrordisk 系統(tǒng)啟動(dòng)正常。
假如c1t0d0盤壞掉，則停機(jī)更換硬盤后需做恢復(fù)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 (檢查鏡像恢復(fù)進(jìn)度)
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二、RAID5
#metainit d55 –r c1t2d0s2 c1t3d0s2 c1t4d0s2 c1t5d0s2 #metastat d55 (檢查RAID5的進(jìn)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
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RAID5壞掉一個(gè)盤的恢復(fù)方法:
例c1t4d0盤壞掉，更換壞硬盤后作如下工作:
ok boot -r #metareplace –e d55 c1t4d0s2 #metastat d55
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卸去RAID5的方法:
#umount /raid5 #metaclear d55 #vi /etc/vfstab
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注釋此行:
#/dev/md/dsk/d55 /dev/md/rdsk/d55 /raid5 ufs 2 yes –
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