Solaris 8下RAID1和RAID5的安装及恢复说明

时间：2022-06-01 12:44:51

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:


				

					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:




				

				

					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:




				

				

					#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。




				

				

					#umount /metaDB

				

					#rm –r /metaDB

				

					#vi /etc/vfstab

					
		



	将下面这行注释掉或删除,如下:




				

				

					#/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。




				

				

					#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 (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;




				

				

					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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