实验过的 RAID0、1、5、0+1、1+0 文章

以下贴出的东西都是我本人亲自实验的，不是随便贴的，希望对大家有用 这个是SDS 的方法
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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。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，如需转载请注明出处，谢谢支持！
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Disk分布情况：
B2V$c4G,V5Z#D00:c1t0d0
0c[b3g7d+N;rr'l01:c1t1d0IXPUB技术博客AS^Ea T%N
2:c1t2d0IXPUB技术博客;I|A DF+d_
3:c1t3d0
caM~9g04:c1t4d0IXPUB技术博客+NC;YB By6]^0\
5:c1t5d0IXPUB技术博客qw:[(mC\.r8M(C
IXPUB技术博客eH5} l8Km]kf!nw!v
注：0,1做镜像；2，3，4，5做RAID5IXPUB技术博客5whR,v~K
IXPUB技术博客a(QB7@ X"~9x
系统盘(c1t0d0)分区及镜像盘(c1t1d0)情况：IXPUB技术博客vR&\8d `I
c1t0d0s0(d10) d0 c1t1d0s0(d20) / 1024MIXPUB技术博客e%A,\~Ap$V
c1t0d0s1(d11) d1 c1t1d0s1(d21) swap 8192MIXPUB技术博客!Ac1g{6[,x'G `
c1t0d0s2 　　c1t1d0s2 overlap 69999M
'}n4|&B|@dg0c1t0d0s3(d13) d3 c1t1d0s3(d23) /usr 4096MIXPUB技术博客?0gG]%F*{(U
c1t0d0s4(d14) d4 c1t1d0s4(d24) /opt 10240M
wxV0\\/B!@/n8U0c1t0d0s5(d15) d5 c1t1d0s5(d25) /var 2048MIXPUB技术博客W
eD:}7Q;Ry I c
c1t0d0s6(d16) d6 c1t1d0s6(d26) /home free
q iw/B.F0c1t0d0s7 　　c1t1d0s7 /metaDB 30MIXPUB技术博客9GP RnO
IXPUB技术博客8S&Wh6^!J sr"y
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。IXPUB技术博客LX2i9b \o"y4[
用root用户登陆,运行以下命令：
,k j(]Zy#M+l0#prtvtoc /dev/rdsk/c1t0d0s2|fmthard –s – /dev/rdsk/c1t1d0s2
)S0lb)qJGdO0fmthard:New volume table of contents now in place
!k*QPA_
th(M0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。IXPUB技术博客1N@)@,vTbu&y

g{5\-K^zR;z0#umount /metaDBIXPUB技术博客6M,@flg:wmlk
#rm –r /metaDB
Y7cp&F:l-MbaS0#vi /etc/vfstab
dk$@']q2CX0将下面这行注释掉或删除,如下：IXPUB技术博客D'`Y%N$Hug A
#/dev/dsk/c1t0d0s7 /dev/rdsk/c1t0d0s7 /metaDB ufs 1 yes –IXPUB技术博客+tt/mW W0j"Lr
IXPUB技术博客*T$i h[$YH`D
一、RAID1IXPUB技术博客A9q3d-^'?g
对各个分区逐一作镜像：
9f,I Og:G%eVhJJ3J0①先生成replicas,这是DiskSuite内部用的。
$Qu QR*lrFH2Y]Q y0#metadb –a –f –c 3 c1t0d0s7 c1t1d0s7
d!N8\!b(N0#metadbIXPUB技术博客nBpR:A0O*U:~5H
②Creating a mirror from swapIXPUB技术博客BT.Q$n2j#_
#metainit –f d11 1 1 c1t0d0s1
!F{{zCtCf6p8C)Qm%s0#metainit d21 1 1 c1t1t0s1IXPUB技术博客VW@v)e$t
#metainit d1 –m d11IXPUB技术博客4X+D7w6m2@7OX/H6s
#vi /etc/vfstab
C W6N(R`0/dev/dsk/c1t0d0s1 - - swap – no –
xS {(Gef1X a)v$t0should be changed to:IXPUB技术博客%jA
T"l Ew,KL(J
/dev/md/dsk/d1 - - swap – no -IXPUB技术博客,At4U"Bs&Q9B5O-_
#rebootIXPUB技术博客3v+qOp.^
#metattach d1 d21IXPUB技术博客6S2chU.E e
③Creating a mirror from /usrIXPUB技术博客
hF`Pe\Gb+~:H}H
#metainit –f d13 1 1 c1t0d0s3
W\)h&U3C0#metainit d23 1 1 c1t1t0s3IXPUB技术博客d a @OFA
#metainit d3 –m d13
$i#~*r~ u0#vi /etc/vfstabIXPUB技术博客-UBV]5[XIBd
/dev/dsk/c1t0d0s3 /dev/rdsk/c1t0d0s3 /usr ufs 1 yes –
P#m8ylC!foc3JBn0should be changed to:
:r0Z@2|_u/?h+WY0~7i0/dev/md/dsk/d3 /dev/md/rdsk/d3 /usr ufs 1 yes –IXPUB技术博客uT@2O`s6Teh'T
#rebootIXPUB技术博客L$qx$?/I(K
#metattach d3 d23
+pu/N5s-x'?0④Creating a mirror from /opt
(wM!x
Tv:IN0#metainit –f d14 1 1 c1t0d0s4IXPUB技术博客F*y
o7U*ii
#metainit d24 1 1 c1t1t0s4
a#mz%iN!Il/Y0V|0#metainit d4 –m d14
"L-x;q#U/MQ6C0#vi /etc/vfstab
h;dH1v$p^)q|B0/dev/dsk/c1t0d0s4 /dev/rdsk/c1t0d0s4 /opt ufs 1 yes –IXPUB技术博客_;`g&fG n/|
should be changed to:IXPUB技术博客I3X @7x*W L_
/dev/md/dsk/d4 /dev/md/rdsk/d4 /opt ufs 1 yes –
/p!@6v(Sqo9a/Oq0#rebootIXPUB技术博客n1tNNp vC;W
#metattach d4 d24
v?ez
cA2DY0⑤Creating a mirror from /var
}7mA+E
{ WF;t,lH0#metainit –f d15 1 1 c1t0d0s5
|!m'L+["r$P0#metainit d25 1 1 c1t1t0s5IXPUB技术博客)Oi{9]1V;j)M,H(Q;F"w5a
#metainit d5 –m d15IXPUB技术博客m]-P!W Zf*|6O\,@
#vi /etc/vfstab
u0_
[V:z#m1|H6p0/dev/dsk/c1t0d0s5 /dev/rdsk/c1t0d0s5 /var ufs 1 yes –
ZLiBG6CV6a0should be changed to:IXPUB技术博客.m;t^+v:jQ8A'Js
/dev/md/dsk/d5 /dev/md/rdsk/d5 /var ufs 1 yes –IXPUB技术博客lp(M&aR1rJ1[9\6|
#reboot
Kk*NnSR0#metattach d5 d25
7F
O4d5G4g/C0⑥Creating a mirror from /homeIXPUB技术博客2Gc*g6AF
#metainit –f d16 1 1 c1t0d0s6IXPUB技术博客a-I;[wIW
#metainit d26 1 1 c1t1t0s6IXPUB技术博客pV;ugu%y)N-q
#metainit d6 –m d16IXPUB技术博客| `-C+f3Wx
k#g+K
#vi /etc/vfstab
~ ~TihK+I2Sr2Z0/dev/dsk/c1t0d0s6 /dev/rdsk/c1t0d0s6 /home ufs 1 yes –
Q#E&K;hc%r9I0should be changed to:
!M*B.k.Z"j;p(`Y]9w)Q0/dev/md/dsk/d6 /dev/md/rdsk/d6 /home ufs 1 yes –
;Z$Gx:~0_n8fC^ h0#rebootIXPUB技术博客Q#wn7~(X5y(u
#metattach d6 d26
'y,X#QD+}0⑦Creating a mirror from /IXPUB技术博客IUZx&I&_9J0c
#metainit –f d10 1 1 c1t0d0s0
iN0K(Lgz0#metainit d20 1 1 c1t1t0s0IXPUB技术博客0{)`%@
Dy#N
#metainit d0 –m d10IXPUB技术博客Lp3Q t|
#metaroot d0IXPUB技术博客.U@"E5m J!|\jDV
#lockfs –faIXPUB技术博客T!w.u$E C%vo@
#rebootIXPUB技术博客h/B1~ V5}[6Df.W]
#metattach d0 d20
-rhc-GD+W0IXPUB技术博客b'fk9nW2ZX
#metastat (检查镜像进度)
3`E)q4j4FC} i0
ToX*vh\0IXPUB技术博客 Jki"kX:a)O
镜像完成后，还需作如下操作：IXPUB技术博客(q4RL6h)HB!E
修改EEPROMIXPUB技术博客.k7s E7w9bh y5T
ok devalias（察看启动设备）IXPUB技术博客)Qxb`:[Z5r'?*D
ok nvalias rootdisk /pci@8,600000/SUNW,qlc@4/fp@0,0/disk@0,0IXPUB技术博客 f k;CuT{$O
ok nvalias mirrdisk /pci@8,600000/SUNW,qlc@4/fp@0,0/disk@1,0

qx'DMX2zb0IXPUB技术博客I,}l/d5k l)F+Zy0o;T8Q
ok setenv boot-device rootdisk mirrdiskIXPUB技术博客6[ ~}B"eM#Fk m4b
IXPUB技术博客a)@o/[ z%bVIL
eeprom命令：
kYA5s@\.rQB0boot-device=rootdisk mirrdiskIXPUB技术博客p s;r)@&P)l'r
boot-device=rootdisk mirrdisk
[Li5Q5s8? ^ Q0use-nvramrc?=trueIXPUB技术博客,R+V'K.oj L
nvramrc=devalias mirrdisk /pci@8,600000/SUNW,qlc@4/fp@0,0/disk@1,0
/~{_"sCR$h,r0devalias rootdisk /pci@8,600000/SUNW,qlc@4/fp@0,0/disk@0,0IXPUB技术博客$g)hoZ6hE dy)[8z
#ls -l c1t0d0s0
Q5cyRY,ZwC#o2L0lrwxrwxrwx 1 root root 70 1月 2 10:45 c1t0d0s0 -> ../../devices/pci@8,600000/SUNW,qlc@4/fp@0,0/ssd@w21000000870e80e7,0:a
-s1YaU3v'u0R0对应：/pci@8,600000/SUNW,qlc@4/fp@0,0/disk@0,0IXPUB技术博客6l.}{sV
root@voiplnjvr4 # ls -l c1t1d0s0IXPUB技术博客_M ~'u
q e
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
:\6Ei {/mi c,E0对应：/pci@8,600000/SUNW,qlc@4/fp@0,0/disk@1,0IXPUB技术博客cF-``,J5c(Vs

o9WXx,e&ME.o U0测试：
G K!R?-hI0ok boot rootdisk 系统启动正常。IXPUB技术博客 bY s}ab ]
ok boot mirrordisk 系统启动正常。IXPUB技术博客$MN:E'~_,OT4`1s(b7`
IXPUB技术博客os"~#Jni,b-l
假如c1t0d0盘坏掉，则停机更换硬盘后需做恢复工作，如下；
*r[E*Wf2| `0ok boot mirrordisk -s
8dgZ
{-w/l0#metadb -d c1t0d0s7
%h oL!J$Y#N F0t3Z0#prtvtoc /dev/rdsk/c1t1d0s2|fmthard –s – /dev/rdsk/c1t0d0s2IXPUB技术博客T1nEmO
#metadb –a –f –c 3 c1t0d0s7IXPUB技术博客N MOmQN
#halt
&E[7|&J{~ ZO5rb-l0ok boot mirrordisk
V%|$Qi P;v0#metareplace -e d0 c1t0d0s0IXPUB技术博客*A2LE;Kc3S
d0: device c1t0d0s0 is enabled
/] YtBBF
@"jl0#metareplace -e d1 c1t0d0s1IXPUB技术博客HXb8]W/m0U
d1: device c1t0d0s1 is enabled
s6TaV;}%B0#metareplace -e d3 c1t0d0s3
t)[9b&d*n?r3x0d3: device c1t0d0s3 is enabledIXPUB技术博客I\!Y
v$U oM{
#metareplace -e d4 c1t0d0s4IXPUB技术博客#\'V
L.d Hi
d4: device c1t0d0s4 is enabled
:X ut,ly|@*L0#metareplace -e d5 c1t0d0s5
7N-c.@ O2uA
X0d5: device c1t0d0s5 is enabledIXPUB技术博客Z[@ op|-nifU
#metareplace -e d6 c1t0d0s6
7m-mu;\V%r p0d6: device c1t0d0s6 is enabled
Q;j @s`%D0
,G_2OSTN;o~,| `K0#metastat (检查镜像恢复进度)IXPUB技术博客&G4L
j;\!?Bb

rxMpx}0I+hH0二、RAID5IXPUB技术博客+M7GQcl3E
|*O
#metainit d55 –r c1t2d0s2 c1t3d0s2 c1t4d0s2 c1t5d0s2IXPUB技术博客b Wv
~X:i-E ^
#metastat d55 (检查RAID5的进度)
&i$_9mq }!?:yasH0作完后rebootIXPUB技术博客8C
O Na"hO*v
#newfs /dev/md/rdsk/d55IXPUB技术博客3GJ7nHA5u5p
#mkdir /raid5IXPUB技术博客,{CLpQlP(F
#vi /etc/vfstab
N7~N
[;D*t C0添加一行：IXPUB技术博客)xL-I1m7R"E
/dev/md/dsk/d55 /dev/md/rdsk/d55 /raid5 ufs 2 yes –IXPUB技术博客qZ&h*N$C(f~y
#reboot
*e@{I4aC#jBh5s0IXPUB技术博客;VOsk4E+f;c0g

pO0U_A!}0RAID5坏掉一个盘的恢复方法：IXPUB技术博客8Zb+zZa,rP
例c1t4d0盘坏掉，更换坏硬盘后作如下工作：IXPUB技术博客?"ap&P+`@3o6qM
ok boot -r
9rY+?}/H3q7R0#metareplace –e d55 c1t4d0s2IXPUB技术博客 {1z'Z5bw
#metastat d55IXPUB技术博客 N(y JWa
IXPUB技术博客o8m{,W@$P
卸去RAID5的方法：
y#b!bo+O0#umount /raid5
D"A`L\h~W%U6Q0#metaclear d55IXPUB技术博客5Ic`w2iwF@;r
#vi /etc/vfstab
k1g2TGu8T5RI l\0注释此行：
AQc#wra0#/dev/md/dsk/d55 /dev/md/rdsk/d55 /raid5 ufs 2 yes –
,qh~~%w8K@*Y&bR0三、raid 0 +1和raid 1 +0的方法（附加）：
1u(fM|Rh_0raid 0 +1
4XN] fC7?+Le0# metainit d1 1 3 c0t1d0s0 c0t2d0s0 c0t3d0s0IXPUB技术博客6J!X5H-GD;X$\
# metainit d2 1 3 c0t4d0s0 c0t5d0s0 c0t6d0s0IXPUB技术博客UU2m @s.ZF|r
# metainit d0 -m d1IXPUB技术博客}7xhY e D%f G
# metattach d0 d2IXPUB技术博客i`
a\;LRp
IXPUB技术博客Cs3Usm
raid 1 +0IXPUB技术博客1iz;bB7z8Oof$t
# metainit d1 3 1 c0t1d0s0 1 c0t2d0s0 1 c0t3d0s0IXPUB技术博客7M6sT7|6M S.C
# metainit d2 3 1 c0t4d0s0 1 c0t5d0s0 1 c0t6d0s0
Vj[ U&B d$FE:^4]P0# metainit d0 -m d1
2EI8g*h
ud g0# metattach d0 d2