[multipath] failed to get sysfs information
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
multipath-tools (Ubuntu) |
Fix Released
|
Undecided
|
Unassigned | ||
Trusty |
Won't Fix
|
Medium
|
Unassigned |
Bug Description
when shutdown switch port of host HBA, multippath-tool can't get correct information of subpath. by check the "multipath" output, some storage device type info disapppear and the failed path always stay in path group and don't be clear out.
mpath2 (3600601601c102
size=6.0G features='1 queue_if_no_path' hwhandler='1 emc' wp=rw
|-+- policy='round-robin 0' prio=1 status=active
| |- #:#:#:# - #:# failed faulty running
| `- 5:0:2:5 sdcu 70:32 active ready running
`-+- policy='round-robin 0' prio=0 status=enabled
|- 5:0:3:5 sdfa 129:192 active ready running
`- #:#:#:# - #:# failed faulty running
mpath38 (3600601601c102
size=5.0G features='1 queue_if_no_path' hwhandler='1 emc' wp=rw
|-+- policy='round-robin 0' prio=1 status=active
| `- 5:0:2:13 sddf 70:208 active ready running
`-+- policy='round-robin 0' prio=0 status=enabled
`- 5:0:3:13 sdfk 130:96 active ready running
mpath63 (36000097000019
size=5.6G features='0' hwhandler='0' wp=rw
`-+- policy='round-robin 0' prio=1 status=active
|- 5:0:0:8 sdl 8:176 active ready running
`- 5:0:1:8 sdbd 67:112 active ready running
mpath95 (36000097000019
size=898M features='0' hwhandler='0' wp=rw
`-+- policy='round-robin 0' prio=1 status=active
|- #:#:#:# - #:# failed faulty running
|- #:#:#:# - #:# failed faulty running
|- 5:0:0:38 sdas 66:192 active ready running
`- 5:0:1:38 sdck 69:128 active ready running
Same time, the syslog show many
---------------
Aug 2 18:25:16 Linux51 multipathd: sdht: failed to get sysfs information
Aug 2 18:25:16 Linux51 multipathd: sdht: unusable path
... ...
---------------
After path recover, all failed path come back without problem. there is no IP blocked and error happend during fail/recover period.
Changed in multipath-tools (Ubuntu): | |
assignee: | nobody → Peter Petrakis (peter-petrakis) |
Changed in multipath-tools (Ubuntu): | |
status: | Incomplete → In Progress |
Changed in multipath-tools (Ubuntu): | |
assignee: | Peter Petrakis (peter-petrakis) → nobody |
Changed in multipath-tools (Ubuntu): | |
status: | In Progress → Fix Released |
Changed in multipath-tools (Ubuntu Trusty): | |
status: | New → Confirmed |
importance: | Undecided → Medium |
Here is OS and Packge info also attach log and configuration.
root@Linux51: /var/tmp# lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 12.04 LTS
Release: 12.04
Codename: precise
root@Linux51: /var/tmp# dpkg -s multipath-tools
Package: multipath-tools
Status: install ok installed
Priority: extra
Section: admin
Installed-Size: 637
Maintainer: Ubuntu Developers <email address hidden>
Architecture: amd64
Version: 0.4.9-3ubuntu5