device-mapper-multipath-0.8.4-28.el8 breaking multipathing with Dell Unity LUNs
Issue
- After updating to
RHEL8.7allmultipathpaths are reporting as failed. - When using device-mapper-multipath-0.8.4-28.el8 or higher versions,
multipath -llis showing all paths as faulty.
mpatha (3600aaaaaaaaaaaaaaaaaaaaaaaaaaaaa) dm-9 DGC,VRAID
size=25G features='1 queue_if_no_path' hwhandler='1 alua' wp=rw
|-+- policy='service-time 0' prio=0 status=active
| |- 1:0:0:3 sdd 8:48 failed faulty running
| |- 1:0:2:3 sdh 8:112 failed faulty running
| |- 2:0:0:3 sdl 8:176 failed faulty running
| `- 2:0:2:3 sdp 8:240 failed faulty running
`-+- policy='service-time 0' prio=0 status=enabled
|- 1:0:1:3 sdf 8:80 failed faulty running
|- 1:0:3:3 sdj 8:144 failed faulty running
|- 2:0:1:3 sdn 8:208 failed faulty running
`- 2:0:3:3 sdr 65:16 failed faulty running
- Downgrading to device-mapper-multipath-0.8.4-22.el8 fixes the issue.
mpatha (3600aaaaaaaaaaaaaaaaaaaaaaaaaaaaa) dm-9 DGC,VRAID
size=25G features='1 queue_if_no_path' hwhandler='1 alua' wp=rw
|-+- policy='service-time 0' prio=50 status=active
| |- 1:0:0:3 sdd 8:48 active ready running
| |- 1:0:2:3 sdh 8:112 active ready running
| |- 2:0:0:3 sdl 8:176 active ready running
| `- 2:0:2:3 sdp 8:240 active ready running
`-+- policy='service-time 0' prio=10 status=enabled
|- 1:0:1:3 sdf 8:80 active ready running
|- 1:0:3:3 sdj 8:144 active ready running
|- 2:0:1:3 sdn 8:208 active ready running
`- 2:0:3:3 sdr 65:16 active ready running
- Getting following error after updating system to RHEL8.7
Feb 6 21:23:39 test_host multipathd[502843]: mpathb: sdi - emc_clariion checker: Path not correctly configured for failover
Feb 6 21:23:39 test_host multipathd[502843]: mpatha: sdj - emc_clariion checker: Path not correctly configured for failover
Feb 6 21:23:39 test_host multipathd[502843]: mpatha: sdp - emc_clariion checker: Path not correctly configured for failover
Environment
- Red Hat Enterprise Linux 8.7
- device-mapper-multipath-0.8.4-22.el8 or higher.
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