DFSc Working Group

Meeting Date

  • TEAMS: 2021-05-12

Invitees - Attendees

  • Anthony, Dave, Gouxiang, Lori, Nathan

Review and accept previous meeting minutes.

Proposed Agenda Items

DFSc upgrade to Octopus

  • upgrade went well.
  • maybe trim snapshots and enable compaction on OSDs.

May 6,7 and part of 8th problems.

  • Post mortem in summery of RT #1153008
  • enabling snapshots after upgrade made the system go into full recovery mode, rebuilding the file volumes, OSD's.
  • Turned off snapshots and scrubs Thursday night.
  • scrubs turned back on Monday morning.
  • still low on iops per TB (issue being dealt with in Pacific)
  • want to review how we can decouple essential services (like Web service) from cephfs hangs.

Minimum Client requirements.

  • make sure system in using hwe kernel (min version 5.4)
    • use "uname -r" to get kernel release version info
  • get all Cephfs clients up to nautilus (version 14) at a minimum
    • use " ceph health detai | head -20 l" on any of the servers
    • use "dpkg -s libcephfs2 |grep Version" on a client.
  • new setups get Octopus.
  • need to check samba and NSF-ganesha bridges. (Clayton)
    • these are reporting they support up to features compatible with jewel (version 10)
  • NFS-Ganesha 3.4 for the NFS with Kerberos bridge

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Topic revision: r3 - 2021-05-12 - DaveGawley
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