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NetApp Knowledge Base

Suse Linux Enterprise Server reports latency errors on SolidFire volume, sometimes resulting in a node reboot

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544
Visibility:
Public
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0
Category:
element-software
Specialty:
solidfire
Last Updated:

Applies to

  • Suse Linux 11
  • Element OS All versions

Issue

  • Storage Based Death will self-fence the server node if it can't read from the storage for longer than the watchdog timeout; which defaults to 5 seconds.
  • The highest priority of the High Availability cluster stack is to protect the integrity of data. This is achieved by preventing uncoordinated concurrent access to data storage

Excerpt from /var/log/messages

2018-07-15T16:17:55.465250+05:30 SUSE1 kernel: [252872.728268] sd 5:0:0:0: Power-on or device reset occurred

2018-07-16T18:57:46.184465+05:30 SUSE1 kernel: [348860.316370] sd 5:0:0:0: Power-on or device reset occurred

2018-07-16T21:43:55.296466+05:30 SUSE1 kernel: [358829.428348] sd 5:0:0:0: Power-on or device reset occurred

2018-07-16T21:59:10.856469+05:30 SUSE1 kernel: [359744.988267] sd 5:0:0:0: Power-on or device reset occurred

2018-07-16T21:59:13.368470+05:30 SUSE1 kernel: [359747.500238] sd 4:0:0:0: Power-on or device reset occurred

2018-07-18T06:01:11.754661+05:30 SUSE1 sbd: [19520]: WARN: Latency: 4 exceeded threshold 3 on disk /dev/disk/by-id/scsi-<UID>

2018-07-18T17:17:58.788914+05:30 SUSE1 sbd: [2173]: WARN: Servant for /dev/disk/by-id/scsi-<UID> outdated (age: 4)

2018-07-18T17:17:58.932282+05:30 SUSE1 sbd: [2173]: WARN: Servant for /dev/disk/by-id/scsi-<UID> (pid: 19520) has terminated

2018-07-18T17:33:06.735935+05:30 SUSE1 sbd: [2173]: WARN: Servant for /dev/disk/by-id/scsi-<UID> (pid: 44815) has terminated

2018-07-18T17:33:06.736230+05:30 SUSE1 sbd: [2173]: WARN: Servant for /dev/disk/by-id/scsi-<UID> outdated (age: 4)

2018-07-19T06:01:11.611958+05:30 SUSE1 sbd: [52406]: WARN: Latency: 4 exceeded threshold 3 on disk /dev/disk/by-id/scsi-<UID>

2018-07-20T06:01:11.324452+05:30 SUSE1 sbd: [52406]: WARN: Latency: 4 exceeded threshold 3 on disk /dev/disk/by-id/scsi-<UID>

 

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