下载与安装
下载SDD驱动
我的系统是RHEL4.6，所以选择Platform Red Hat EL 4.0 (x86_64) SDD v1.6.3.0-8，
查看系统内核版本
[root@ localhost ~]# uname -a
Linux localhost 2.6.9-67.ELsmp #1 SMP Wed Nov 7 13:56:44 EST 2007 x86_64 x86_64 x86_64 GNU/Linux
看readme文档中确认系统内核是否受到支持。
安装SDD
rpm -ivh IBMsdd-1.6.3.0-8.x86_64.rhel4.rpm
启动SDD
[root@localhost /]# sdd start
如果提示内核不支持，查看下驱动的readme确认，安装受支持的内核。
启动成功之后使用lsvpcfg命令查看vpath
[root@localhost /]# lsvpcfg
000 vpatha ( 252, 0) 75MW0012308 = 6005076308ffc6e80000000000002308 = /dev/sdb /dev/sdi /dev/sdp /dev/sdw
001 vpathb ( 252, 64) 75MW0012309 = 6005076308ffc6e80000000000002309 = /dev/sdc /dev/sdj /dev/sdq /dev/sdx
002 vpathc ( 252, 128) 75MW0012409 = 6005076308ffc6e80000000000002409 = /dev/sdd /dev/sdk /dev/sdr /dev/sdy
003 vpathd ( 252, 192) 75MW001240A = 6005076308ffc6e8000000000000240a = /dev/sde /dev/sdl /dev/sds /dev/sdz
004 vpathe ( 252, 256) 75MW0012509 = 6005076308ffc6e80000000000002509 = /dev/sdf /dev/sdm /dev/sdt /dev/sdaa
005 vpathf ( 252, 320) 75MW0012609 = 6005076308ffc6e80000000000002609 = /dev/sdg /dev/sdn /dev/sdu /dev/sdab
006 vpathg ( 252, 384) 75MW0012709 = 6005076308ffc6e80000000000002709 = /dev/sdh /dev/sdo /dev/sdv /dev/sdac
配置磁盘
创建PV
[root@localhost /]# pvcreate /dev/vpatha
Device /dev/vpatha not found (or ignored by filtering).
需要修改/etc/lvm/lvm.conf来修正该错误
[root@localhost /]# vi /etc/lvm/lvm.conf
找到
# types = [ "fd", 16 ]
修改成
types = [ "vpath", 16 ]
保存退出之后就可以成功创建PV了。
创建好PV的时候可能会遇到下面问题
Found duplicate PV 1XlJrZHnI49tTtHVvwe7cXZ0cATNFTxw: using /dev/sdak not /dev/vpatha
需要修改/etc/lvm/lvm.conf来修正该错误
[root@localhost /]# vi /etc/lvm/lvm.conf
找到filter =，修改为：
filter = [ "a/vpath[a-z]*/", "a/sda2/", "r/.*/" ]
保存推出后lvdisplay两次就不会报错了。
[root@localhost /]# pvdisplay
— Physical volume —
PV Name /dev/sda2
VG Name rootvg
PV Size 135.87 GB / not usable 29.25 MB
Allocatable yes
PE Size (KByte) 32768
Total PE 4347
Free PE 3597
Allocated PE 750
PV UUID h6WAjn-NrcC-LNKL-MSe0-M1Lq-bNeh-VbKFxx
— NEW Physical volume —
PV Name /dev/vpatha
VG Name
PV Size 150.00 GB
Allocatable NO
PE Size (KByte) 0
Total PE 0
Free PE 0
Allocated PE 0
PV UUID PW9B2K-lZMw-YuFX-lLVq-9Wzo-K6tm-KLX5kQ
— NEW Physical volume —
PV Name /dev/vpathe
VG Name
PV Size 150.00 GB
Allocatable NO
PE Size (KByte) 0
Total PE 0
Free PE 0
Allocated PE 0
PV UUID Knd0Dg-rWN2-8L3A-EG09-rHIn-s3bf-w256M0
— NEW Physical volume —
PV Name /dev/vpathb
VG Name
PV Size 150.00 GB
Allocatable NO
PE Size (KByte) 0
Total PE 0
Free PE 0
Allocated PE 0
PV UUID qrVeSD-lecV-dOvZ-Y911-tQ4C-uj42-UdeNXE
— NEW Physical volume —
PV Name /dev/vpathf
VG Name
PV Size 150.00 GB
Allocatable NO
PE Size (KByte) 0
Total PE 0
Free PE 0
Allocated PE 0
PV UUID BcZjnN-3kpd-lXyf-MGog-JTbK-Vu0M-DaioOd
— NEW Physical volume —
PV Name /dev/vpathc
VG Name
PV Size 150.00 GB
Allocatable NO
PE Size (KByte) 0
Total PE 0
Free PE 0
Allocated PE 0
PV UUID ug3yuI-3UNm-1pKo-eq2c-10Vn-O1Aj-zIQegw
— NEW Physical volume —
PV Name /dev/vpathg
VG Name
PV Size 150.00 GB
Allocatable NO
PE Size (KByte) 0
Total PE 0
Free PE 0
Allocated PE 0
PV UUID ylxC2a-5CM1-DAZF-3nGd-Ox0L-wiMX-UNSxHg
— NEW Physical volume —
PV Name /dev/vpathd
VG Name
PV Size 150.00 GB
Allocatable NO
PE Size (KByte) 0
Total PE 0
Free PE 0
Allocated PE 0
PV UUID k19Lx9-MPq5-iQGp-XjIY-Mf4E-EGuJ-4jwMKp
创建VG
vgcreate dzvg /dev/vpatha /dev/vpathb /dev/vpathc /dev/vpathd /dev/vpathe /dev/vpathf /dev/vpathg
[root@localhost /]# vgdisplay
— Volume group —
VG Name rootvg
System ID
Format lvm2
Metadata Areas 1
Metadata Sequence No 15
VG Access read/write
VG Status resizable
MAX LV 0
Cur LV 6
Open LV 6
Max PV 0
Cur PV 1
Act PV 1
VG Size 135.84 GB
PE Size 32.00 MB
Total PE 4347
Alloc PE / Size 750 / 23.44 GB
Free PE / Size 3597 / 112.41 GB
VG UUID T710ZC-BJ5u-2tuS-X9hU-OPRC-0A7Y-BR9tP3
— Volume group —
VG Name dzvg
System ID
Format lvm2
Metadata Areas 7
Metadata Sequence No 1
VG Access read/write
VG Status resizable
MAX LV 0
Cur LV 0
Open LV 0
Max PV 0
Cur PV 7
Act PV 7
VG Size 1.03 TB
PE Size 4.00 MB
Total PE 268793
Alloc PE / Size 0 / 0
Free PE / Size 268793 / 1.03 TB
VG UUID Xn5oLt-CXUD-oQJJ-oGVT-aizU-1fxs-EIFGuS
在另外一台服务器上安装SDD，修改lvm.conf文件，启动SDD，运行pvscan，vgscan，或者重新启动，就可以看到这些vpath和VG了，无需再建。
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