[root@backup02:/tmp/EMC]ll total 31912 drwxr-xr-x 2 hwng hwng 256 May 8 16:55 ./ drwxrwxrwt 36 bin bin 16384 May 8 17:18 ../ -rw-r--r-- 1 hwng hwng 32660032 May 8 15:24 EMC.AIX.6.0.0.3.tar.Z
hdisk75 Available 04-01-02 MPIO Other FC SCSI Disk Drive
위와 같이 나오면 안됨
hdisk74 Available 04-01-02 EMC CLARiiON FCP MPIO RAID 5 Disk <==이게 정상
설치후
queue_depth = 16
algorithm = round_robin
reserved_policy=no
로 튜닝~
#lsattr -El hdisk75
PCM PCM/friend/fcpother Path Control Module False PR_key_value none Persistant Reserve Key Value True algorithm round_robin Algorithm True clr_q no Device CLEARS its Queue on error True dist_err_pcnt 0 Distributed Error Percentage True dist_tw_width 50 Distributed Error Sample Time True hcheck_cmd inquiry Health Check Command True hcheck_interval 60 Health Check Interval True hcheck_mode nonactive Health Check Mode True location Location Label True lun_id 0x6000000000000 Logical Unit Number ID False lun_reset_spt yes LUN Reset Supported True max_retry_delay 60 Maximum Quiesce Time True max_transfer 0x40000 Maximum TRANSFER Size True node_name 0x50060160c4603a7b FC Node Name False pvid none Physical volume identifier False q_err yes Use QERR bit True q_type simple Queuing TYPE True queue_depth 8 Queue DEPTH True reassign_to 120 REASSIGN time out value True reserve_policy no_reserve Reserve Policy True rw_timeout 30 READ/WRITE time out value True scsi_id 0xef SCSI ID False start_timeout 60 START unit time out value True timeout_policy fail_path Timeout Policy True unique_id 3521360060160F4702800D832FD1EA2B7E21106RAID 503DGCfcp Unique device identifier False ww_name 0x5006016944603a7b FC World Wide Name False