Multipath configuration does not persist after system reboot.
Issue
- Multipath configuration does not persist after system reboot. Output of
multipath -lldiffers before and after reboot for DM-Multipath is RHEV-H.
Before reboot
3600a0980383034466c24457866713055 dm-7 NETAPP ,LUN C-Mode
size=2.0T features='1 retain_attached_hw_handler' hwhandler='1 alua' wp=rw
|-+- policy='round-robin 0' prio=50 status=active
| |- 0:0:1:9 sdr 65:16 active ready running
| `- 2:0:0:9 sdaa 65:160 active ready running
`-+- policy='round-robin 0' prio=10 status=enabled
|- 0:0:0:9 sdi 8:128 active ready running
`- 2:0:1:9 sdaj 66:48 active ready running
3600a0980383034466c24457866713054 dm-3 NETAPP ,LUN C-Mode
size=2.0T features='1 retain_attached_hw_handler' hwhandler='1 alua' wp=rw
|-+- policy='round-robin 0' prio=50 status=active
| |- 0:0:1:3 sdl 8:176 active ready running
| `- 2:0:0:3 sdu 65:64 active ready running
`-+- policy='round-robin 0' prio=10 status=enabled
|- 0:0:0:3 sdc 8:32 active ready running
`- 2:0:1:3 sdad 65:208 active ready running
After reboot
3600a0980383034466c24457866713055 dm-8 NETAPP ,LUN C-Mode
size=2.0T features='4 queue_if_no_path pg_init_retries 50 retain_attached_hw_handle' hwhandler='1 alua' wp=rw
|-+- policy='service-time 0' prio=50 status=active
| |- 0:0:0:9 sdi 8:128 active ready running
| `- 1:0:1:9 sdam 66:96 active ready running
`-+- policy='service-time 0' prio=10 status=enabled
|- 0:0:1:9 sds 65:32 active ready running
`- 1:0:0:9 sdac 65:192 active ready running
3600a0980383034466c24457866713054 dm-2 NETAPP ,LUN C-Mode
size=2.0T features='4 queue_if_no_path pg_init_retries 50 retain_attached_hw_handle' hwhandler='1 alua' wp=rw
|-+- policy='service-time 0' prio=50 status=active
| |- 0:0:0:3 sdc 8:32 active ready running
| `- 1:0:1:3 sdag 66:0 active ready running
`-+- policy='service-time 0' prio=10 status=enabled
|- 0:0:1:3 sdm 8:192 active ready running
`- 1:0:0:3 sdw 65:96 active ready running
Environment
- Red Hat Enterprise Virtualization
- DM-Multipath
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