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SUSE linux 10sp2安装多路径软件
明：存储为华赛的S5300，如果存储为IBM或其他厂商的话，操作方法不一样，请注意！
bmp1a:~ # uname -a
Linux bmp1a 2.6.16.60-0.21-smp #1 SMP Tue May 6 12:41:02 UTC 2008 x86_64 x86_64 x86_64 GNU/Linux
所以安装smp版本的多路径：
bmp1a:~ # rpm -ivh UltraPath-2.01.022.suse10_sp2.x86_64.smp.rpm
bmp1a:~ # reboot
检查多路径是否安装成功:
bmp1a:~ # rpm -qa | grep Ul
UltraPath-2.01.022-1
bmp1a:~ # lsmod |grep up
upVhba 180672 0
upUpper 340444 1 upVhba
scsi_mod 170936 11 mptctl,upVhba,qla2xxx,scsi_transport_fc,mptsas,mptscsih,scsi_transport_sas,libata,upUpper,sg,sd_mod
驱动已经加载，多路径软件安装成功后，有两个驱动存在upVhba、upUpper，表示驱动加载成功。
查看启动项是否更改正确：
bmp1a:~ # cat /boot/grub/menu.lst
# Modified by YaST2. Last modification on Fri Nov 4 10:34:23 UTC 2011
default 4
timeout 8
gfxmenu (hd0,8)/message
##YaST - activate
###Don‘t change this comment - YaST2 identifier: Original name: linux###
title SUSE Linux Enterprise Server 10 SP2
serial=1,9600n8
root (hd0,8)
kernel /vmlinuz-2.6.16.60-0.21-smp root=/dev/sda2 crashkernel=64M@16M console=ttyS0,9600 console=tty0 hde=noprobe hdg=noprobe auto resume=/dev/sda1 splash=silent showopts elevator=noop
initrd /initrd-2.6.16.60-0.21-smp
###Don‘t change this comment - YaST2 identifier: Original name: xen###
title XEN
serial=1,9600n8
root (hd0,8)
kernel /xen.gz
module /vmlinuz-2.6.16.60-0.21-xen root=/dev/sda2 crashkernel=64M@16M console=ttyS0,9600 console=tty0 hde=noprobe hdg=noprobe auto resume=/dev/sda1 splash=silent showopts elevator=noop
module /initrd-2.6.16.60-0.21-xen
###Don‘t change this comment - YaST2 identifier: Original name: failsafe###
title Failsafe -- SUSE Linux Enterprise Server 10 SP2
serial=1,9600n8
root (hd0,8)
kernel /vmlinuz-2.6.16.60-0.21-smp root=/dev/sda2 crashkernel=64M@16M console=ttyS0,9600 console=tty0 showopts ide=nodma apm=off acpi=off noresume edd=off 3 elevator=noop
initrd /initrd-2.6.16.60-0.21-smp
###Don‘t change this comment - YaST2 identifier: Original name: LOCAL RESCUE###
title LOCAL RESCUE
root (hd0,8)
kernel /vmlinuz-2.6.16.60-0.21-smp root=/dev/sda2 hde=noprobe hdg=noprobe resume=/dev/sda1 splash=silent showopts init=/sbin/sulogin
initrd /initrd-2.6.16.60-0.21-smp
title Linux with UltraPath
serial=1,9600n8
root (hd0,8)
kernel /vmlinuz-2.6.16.60-0.21-smp root=/dev/sda2 crashkernel=64M@16M console=ttyS0,9600 console=tty0 hde=noprobe hdg=noprobe auto resume=/dev/sda1 splash=silent showopts elevator=noop
initrd /mpp-2.6.16.60-0.21-smp.img
说明：default 后面对应参数表示默认是从第几个启动项启动，对应找准启动项名称是以“title Linux with UltraPath”打头，表示启动项已经被修改正确
扫描设备：
bmp1a:~ # hot_add
Starting new devices re-scan...
delete LUN not mapped or mapping changed...
scan qla2 HBA host /sys/class/scsi_host/host4...
no new device found
scan qla2 HBA host /sys/class/scsi_host/host3...
no new device found
scan mptsas HBA host /sys/class/scsi_host/host2...
no new device found
run /usr/sbin/upadm start busscan...
scan mpp virtual host /sys/class/scsi_host/host5...
no new virtual device found
wait for syncing device reference count...
/usr/sbin/hot_add is completed.
bmp1a:~ # lsscsi |grep sd
[2:1:0:0] disk LSILOGIC Logical Volume 3000 /dev/sda
[5:0:0:0] disk up updisk 1 /dev/sdb
[5:0:0:1] disk up updisk 1 /dev/sdc
[5:0:0:2] disk up updisk 1 /dev/sdd
bmp1a:~ # fdisk -l
Disk /dev/sda: 73.2 GB, 73272393728 bytes
255 heads, 63 sectors/track, 8908 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Device Boot Start End Blocks Id System
/dev/sda1 1 1045 8393931 82 Linux swap / Solaris
/dev/sda2 1046 2351 10490445 83 Linux
/dev/sda3 2352 8908 52669102+ f W95 Ext‘d (LBA)
/dev/sda5 2352 3004 5245191 83 Linux
/dev/sda6 3005 5615 20972826 83 Linux
/dev/sda7 5616 6268 5245191 83 Linux
/dev/sda8 6269 6921 5245191 83 Linux
/dev/sda9 6922 7052 1052226 83 Linux
/dev/sda10 7053 7705 5245191 83 Linux
/dev/sda11 7706 7967 2104483+ 83 Linux
Disk /dev/sdb: 64.4 GB, 64424509440 bytes
64 heads, 32 sectors/track, 61440 cylinders
Units = cylinders of 2048 * 512 = 1048576 bytes
Disk /dev/sdb doesn‘t contain a valid partition table
Disk /dev/sdc: 107.3 GB, 107373133824 bytes
255 heads, 63 sectors/track, 13054 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Disk /dev/sdc doesn‘t contain a valid partition table
Disk /dev/sdd: 128.8 GB, 128849018880 bytes
255 heads, 63 sectors/track, 15665 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Disk /dev/sdd doesn‘t contain a valid partition table
附加：
卸载多路径
如果不再使用多路径，可以将多路径卸载，卸载前请停止业务。
- 本文来自：爱好Linux技术网
SUSE linux 10sp2安装多路径软件