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這篇文章將為大家詳細(xì)講解有關(guān)IBM存儲(chǔ)多路徑軟件的示例分析,文章內(nèi)容質(zhì)量較高,因此小編分享給大家做個(gè)參考,希望大家閱讀完這篇文章后對(duì)相關(guān)知識(shí)有一定的了解。
2、aix6.1以后,默認(rèn)安裝的多路徑軟件為mpio。
IBM存儲(chǔ)支持的多路徑情況:
DS3000: native MPIOonly
DS4000: RDAC, native MPIO, MPIO w/SDDPCM
DS5000: native MPIO, MPIO w/SDDPCM
下面命令可以查看當(dāng)前系統(tǒng)使用的多路徑情況:
# manage_disk_drivers
1: DS4100: currently MPIO; supported: RDAC/fcparray, MPIO
2: DS4300: currently MPIO; supported: RDAC/fcparray, MPIO
3: DS4500: currently MPIO; supported: RDAC/fcparray, MPIO
4: DS4700/DS4200: currently MPIO; supported: RDAC/fcparray, MPIO
5: DS4800: currently MPIO; supported: RDAC/fcparray, MPIO
3、IBM的高端存儲(chǔ)可以使用SDD、SDDPCM作為主機(jī)的多路徑軟件
SDDPCM就是讓MPIO支持IBM的ESS800/DS6000/DS8000/SVC的一個(gè)aix module.
同理,windows下面也有MPIO,而使windows上的MPIO支持ESS800/DS6000/DS8000/SVC的module叫SDDDSM
SDDPCM/SDDDSM都只是模塊,還需要啟用native的MPIO功能。
從ibm sdd support matrix上能看出
Support Matrix for AIX SDD
Support Matrix for Windows SDD
Support Matrix for Linux SDD
Support Matrix for HP SDD
Support Matrix for Solaris SDD
Support Matrix for Novell SDD
Support Matrix for AIX SDDPCM
Support Matrix for Windows SDDDSM
Support Matrix for Linux DM-Multipath
IBM存儲(chǔ)在不同系統(tǒng)下的多路徑軟件。其中只有aix、windows下才能使用PCM、DSM。(SDDPCM must use MPIO in AIX , SDDSCM use in windows)
AIX6.1是缺省帶有MPIO,在lsdev里看到的設(shè)備如下:
#lsdev -Cc disk
hdisk0 Available 00-08-00 SAS Disk Drive
hdisk1 Available 00-08-00 SAS Disk Drive
hdisk2 Available 04-00-01 MPIO other FC disk
hdisk3 Available 04-00-01 MPIO other FC disk
hdisk4 Available 04-00-01 MPIO other FC disk
hdisk5 Available 04-00-01MPIO other FC disk
hdisk6 Available 04-00-01 MPIO other FC disk
在安裝完SDDPCM后,在lsdev里看到的設(shè)備如下:
#lsdev -Cc disk
hdisk0 Available 00-08-00 SAS Disk Drive
hdisk1 Available 00-08-00 SAS Disk Drive
hdisk2 Available 04-00-01 IBM MPIO FC 1750
hdisk3 Available 04-00-01 IBM MPIO FC 1750
hdisk4 Available 04-00-01 IBM MPIO FC 1750
hdisk5 Available 04-00-01 IBM MPIO FC 1750
hdisk6 Available 04-00-01 IBM MPIO FC 1750
另外,兩種情況下,lspv顯示的都是hdisk:
#lspv
hdisk0 00f64cd35ba7253f rootvg active
hdisk1 00f64cd3743abfeb rootvg active
hdisk2 00f64cd3744116ff None
hdisk3 00f64cd3744117ef None
hdisk4 00f64cd674693920 None
hdisk5 none None
hdisk6 none None
支持AIX6.1的sddpcm包為:
devices.sddpcm.61.2.4.0.2.bff
devices.sddpcm.61.rte
devices.fcp.disk.ibm.mpio.rte
The SDDPCM fileset also provides thesddpcm_get_configcommand for DS4000/DS5000 devices which displays information about all MPIO-based DS4K/DS5K subsystems
# sddpcm_get_config -Av
Frame. id 0:
Storage Subsystem worldwide name: 60ab8001143a0000049b88968
Controller count: 2
Partition count: 1
Partition 0:
Storage Subsystem Name = 'VIOS_DS4800'
hdisk LUN # Ownership User Label
hdisk3 0 A (non-preferred) lpar3_vol01
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