AIX查看磁盘阵列的方法
在AIX中DISK ARRAY的相关设备是用如下AIX设备名来表现的:
连接一台Disk Array,那么系统中应对应一个dar,若DS为双控,那么应对应dac0/1
dar:磁盘阵列路由器
dac:磁盘阵列控制器
hdisk:每一个hdisk设备名对应DISK ARRAY中的一个LUN
可以通过AIX的命令查看磁盘阵列的属性以及相关设备之间的关系。
1,lsdev:显示设备名及其特点
p550a:/#lsdev -C |grep dar0
dar0 Available 1814 DS4700 Disk Array Router
p550a:/#lsdev -C |grep dac
dac0 Available 04-00-01 1814 DS4700 Disk Array Controller
dac1 Available 05-00-01 1814 DS4700 Disk Array Controller
p550a:/#lsdev -C |grep disk
hdisk0 Available 00-08-00 SAS Disk Drive
hdisk1 Available 00-08-00 SAS Disk Drive
hdisk2 Available 04-00-01 1814 DS4700 Disk Array Device
hdisk3 Available 05-00-01 1814 DS4700 Disk Array Device
hdisk4 Available 04-00-01 1814 DS4700 Disk Array Device
hdisk5 Available 05-00-01 1814 DS4700 Disk Array Device
hdisk6 Available 04-00-01 1814 DS4700 Disk Array Device
hdisk7 Available 05-00-01 1814 DS4700 Disk Array Device
p550a:/#lsdev -p dar0
hdisk2 Available 04-00-01 1814 DS4700 Disk Array Device
hdisk3 Available 05-00-01 1814 DS4700 Disk Array Device
hdisk4 Available 04-00-01 1814 DS4700 Disk Array Device
hdisk5 Available 05-00-01 1814 DS4700 Disk Array Device
hdisk6 Available 04-00-01 1814 DS4700 Disk Array Device
hdisk7 Available 05-00-01 1814 DS4700 Disk Array Device
p550a:/#lsdev -p fcs0
fcnet0 Defined 04-00-02 Fibre Channel Network Protocol Device
fscsi0 Available 04-00-01 FC SCSI I/O Controller Protocol Device
p550a:/#lsdev -p fscsi0
dac0 Available 04-00-01 1814 DS4700 Disk Array Controller
p550a:/#lsdev -p fcs1
fcnet1 Defined 05-00-02 Fibre Channel Network Protocol Device
fscsi1 Available 05-00-01 FC SCSI I/O Controller Protocol Device
p550a:/#lsdev -p fscsi1
dac1 Available 05-00-01 1814 DS4700 Disk Array Controller
rmt0 Available 05-00-01 Other FC SCSI Tape Drive
rmt1 Available 05-00-01 Other FC SCSI Tape Drive
2,lsattr:显示设备的属性及可能设定的值
p550a:/#lsattr -El dar0
act_controller dac0,dac1 Active Controllers False
aen_freq 600 Polled AEN frequency in seconds True
all_controller dac0,dac1 Available Controllers False
autorecovery no Autorecover after failure is corrected True
balance_freq 600 Dynamic Load Balancing frequency in seconds True
cache_size 1792 Cache size for both controllers False
fast_write_ok no Fast Write available False
held_in_reset none Held-in-reset controller True
hlthchk_freq 600 Health check frequency in seconds True
load_balancing no Dynamic Load Balancing True
switch_retries 5 Number of times to retry failed switches True
3,fget_config:显示指定的dar设备上的磁盘控制器和hdisk之间的关系,及磁盘控制器的状态
p550a:/#fget_config -l dar0
dac0 ACTIVE dac1 ACTIVE
hdisk2 dac0
hdisk3 dac1
hdisk4 dac0
hdisk5 dac1
hdisk6 dac0
hdisk7 dac1
p550a:/#fget_config -Av
---dar0---
User array name = ''
dac0 ACTIVE dac1 ACTIVE
Disk DAC LUN Logical Drive
utm 31
hdisk2 dac0 0 OCR_disk
hdisk3 dac1 1 VOTE_disk
hdisk4 dac0 2 P550A_arch
hdisk5 dac1 3 P550B_arch
hdisk6 dac0 4 DATA01
hdisk7 dac1 5 DATA02
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