Multipath get ID information from the 0x80 VPD page.
Issue
- When pull and re-plug fc cable:
1. multipath device lost one path:
mpatht (360050763008280d78000000000000012) dm-18 IBM,2145
size=50G features='1 queue_if_no_path' hwhandler='0' wp=rw
|-+- policy='round-robin 0' prio=50 status=active
| |- 1:0:1:18 sdbc 67:96 active ready running
| `- 2:0:0:18 sdcl 69:144 active ready running
`-+- policy='round-robin 0' prio=10 status=enabled
`- 2:0:1:18 sddu 71:192 active ready running
Feb 03 18:35:56 | wwid 360050763008280d78000000000000012 already in wwids file
2. device "SIBM 2145 00c020a035e0XX00" was created:
SIBM 2145 00c020a035e0XX00 dm-49 IBM,2145
size=50G features='1 queue_if_no_path' hwhandler='0' wp=rw
`-+- policy='round-robin 0' prio=10 status=active
`- 1:0:0:18 sdt 65:48 active ready running
Feb 03 18:35:56 | wwid SIBM 2145 00c020a035e0XX00 already in wwids file
Environment
- Red Hat Enterprise 6.4
- Kernel version 2.6.32-358.23.2.el6
- HW platform HP ProLiant BL460c Gen8
- IBM 2145 SAN Volume Controller
- device-mapper-multipath-0.4.9-64.el6
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