方法一
SAP550//fget_config -Av (RADC用fget_config -Av, 如果是MPIO则是用mpio_get_config -Av)
---dar0---
User array name = '2DS4800'
dac4 ACTIVE dacNONE ACTIVE
Disk DAC LUN Logical Drive
utm 31
hdisk11 dac4 3 100-5
hdisk12 dac4 4 100-6
hdisk13 dac4 5 100-7
hdisk14 dac4 6 100-8
hdisk16 dac4 0 ittest-30-1
hdisk17 dac4 1 ittest-30-2
hdisk18 dac4 2 ittest-50-3
hdisk27 dac4 7 ittestsap-50-1
hdisk28 dac4 8 ittestsap-50-2
hdisk29 dac4 9 ittestsap-50-3
hdisk30 dac4 10 ittestsap-50-4
hdisk31 dac4 11 ittestsap-50-5
User array name = '2DS4800' 就是阵列的名称，
LUN Logical Drive下面的名称如100-5 ，ittestsap-50-5 就是阵列上的lun名称
方法二
SAP550//lsattr -El hdisk26
PR_key_value none Persistant Reserve Key Value True
cache_method default Write Caching method False
ieee_volname 600A0B800047A8FA000019FB4D9FA643 IEEE Unique volume name False
lun_id 0x0007000000000000 Logical Unit Number False
max_transfer 0x100000 Maximum TRANSFER Size True
prefetch_mult 0 Multiple of blocks to prefetch on read False
pvid none Physical volume identifier False
q_type simple Queuing Type False
queue_depth 10 Queue Depth True
raid_level 5 RAID Level False
reassign_to 120 Reassign Timeout value True
reserve_policy single_path Reserve Policy True
rw_timeout 30 Read/Write Timeout value True
scsi_id 0xdc SCSI ID False
size 51199 Size in Mbytes False
write_cache no Write Caching enabled False
ieee_volname 600A0B800047A8FA000019FB4D9FA643 这个ID就是阵列上LUN的Logical Drive ID
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