Article ID: 122529, created on Jul 30, 2014, last review on Jun 17, 2016

  • Applies to:
  • Virtuozzo 6.0

Symptoms

Pstorage services cannot be started.

Similar error messages can be found in cs.log.gz and /var/log/pstorage/<clustername>/pstorage-mount.log.gz:

...
23-07-14 06:13:15.769 dump_mds_list: Got MDS list from resolver:
23-07-14 06:13:15.769 dump_mds_list: Got MDS list from resolver:
23-07-14 06:13:15.769 dump_mds_list: Load MDS list from bootstrap
23-07-14 06:13:15.769 dump_mds_list: 0@10.20.30.40:2511
23-07-14 06:13:15.769 mds_select: Trying MDS 10.20.30.40:2511
23-07-14 06:13:15.772 res_search() failed: Unknown host
23-07-14 06:13:15.772 Trying to find out the zone name by other means...
23-07-14 06:13:15.774 Zone for SRV query: somenetwork.net
23-07-14 06:13:15.776 res_querydomain() failed: Unknown host
...
...
23-07-14 05:40:31.819 res_search() failed: Unknown host
23-07-14 05:40:31.819 Trying to find out the zone name by other means...
23-07-14 05:40:31.821 Zone for SRV query: somenetwork.net
23-07-14 05:40:31.822 res_querydomain() failed: Unknown host
23-07-14 05:40:32.817 dump_mds_list: Got MDS list from resolver:
23-07-14 05:40:32.817 register_work: MDS is not resolved, delaying
23-07-14 05:40:33.817 register_work: MDS is not resolved, delaying
23-07-14 05:40:34.817 dump_mds_list: Got MDS list from resolver:
23-07-14 05:40:34.817 dump_mds_list: Load MDS list from bootstrap
23-07-14 05:40:34.817 mds_select: No bootstrap MDS found
23-07-14 05:40:34.817 register_work: MDS is not resolved, delaying
23-07-14 05:40:34.821 res_search() failed: Unknown host
23-07-14 05:40:34.821 Trying to find out the zone name by other means...
23-07-14 05:40:34.822 Zone for SRV query: somenetwork.net
23-07-14 05:40:34.824 res_querydomain() failed: Unknown host
...

Cause

Pstorage discovery is not configured properly:

# pstorage discover
23-07-14 07:09:01.854 Discovering using DNS TXT records: FAIL
23-07-14 07:09:02.855 Discovering using mDNS: OK

Resolution

Configure cluster discovery using one of the methods described here.

Additional information

121399 How to deploy a DNS server for Parallels Cloud Storage cluster discovery

Search Words

mds_select: No bootstrap MDS found

res_search() failed

init chunk failed

register_work: MDS is not resolved, delaying

res_search() failed: Unknown host

c62e8726973f80975db0531f1ed5c6a2 2897d76d56d2010f4e3a28f864d69223 0dd5b9380c7d4884d77587f3eb0fa8ef

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