Path flapping on HPE MSA 2070 multipath devices
Issue
Flapping multipath ON and OFF
var/log/messages-20250625:Jun 24 15:26:04 hostnameX multipathd[15894]: mpatha: remaining active paths: 2
var/log/messages-20250625:Jun 24 15:26:04 hostnameX multipathd[15894]: mpatha: remaining active paths: 2
var/log/messages-20250625:Jun 24 15:26:04 hostnameX multipathd[15894]: sdr: mark as failed
var/log/messages-20250625:Jun 24 15:26:04 hostnameX multipathd[15894]: sdr: mark as failed
var/log/messages-20250625:Jun 24 15:26:04 hostnameX multipathd[15894]: mpatha: remaining active paths: 1
var/log/messages-20250625:Jun 24 15:26:04 hostnameX multipathd[15894]: sdz: mark as failed
var/log/messages-20250625:Jun 24 15:26:04 hostnameX multipathd[15894]: sdz: mark as failed
var/log/messages-20250625:Jun 24 15:26:04 hostnameX multipathd[15894]: mpatha: remaining active paths: 0
var/log/messages-20250625:Jun 24 15:26:04 hostnameX multipathd[15894]: mpatha: sdz - tur checker reports path is up
var/log/messages-20250625:Jun 24 15:26:04 hostnameX multipathd[15894]: 65:144: reinstated
var/log/messages-20250625:Jun 24 15:26:04 hostnameX multipathd[15894]: 65:144: reinstated
var/log/messages-20250625:Jun 24 15:26:04 hostnameX multipathd[15894]: mpatha: remaining active paths: 1
var/log/messages-20250625:Jun 24 15:26:04 hostnameX multipathd[15894]: mpatha: remaining active paths: 1
var/log/messages-20250625:Jun 24 15:26:04 hostnameX kernel: device-mapper: multipath: 253:9: Reinstating path 65:144.
var/log/messages-20250625:Jun 24 15:26:04 hostnameX kernel: device-mapper: multipath: 253:9: Reinstating path 65:144.
var/log/messages-20250625:Jun 24 15:26:07 hostnameX multipathd[15894]: mpatha: sdb - tur checker reports path is up
Wrong multipath mapping for MSA 2070 array
mpathX (3600xxxxyyyyzzzzz12345600) dm-2 HPE,MSA 2070 FC
size=20T features='0' hwhandler='1 alua' wp=rw
|-+- policy='service-time 0' prio=50 status=active
| `- 1:0:1:8 sdi 8:128 active ready running
|-+- policy='service-time 0' prio=50 status=enabled
| `- 3:0:0:8 sdag 66:0 active ready running
|-+- policy='service-time 0' prio=10 status=enabled
| `- 1:0:0:8 sdq 65:0 active ready running
`-+- policy='service-time 0' prio=10 status=enabled
`- 3:0:1:8 sdy 65:128 active ready running
Environment
- Red Hat Enterprise Linux
- HPE MSA 2070 Storage array
- device-mapper-multipath
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