DFSc Working Group

Meeting Date

• TEAMS: 2022-07-21

Invitees - Attendees

• Dave, Gouxiang, Lori, Nathan, Nick, Anthony, O

Review and accept previous meeting minutes.

• CsDFScWgMeeting20220616

Proposed Agenda Items

Old business

Action items for this meeting 2022-07-21

• ldpaniak/nfish: Ceph upgrade on the 902s
• Clayton: NFS servers to ganesha 4.0 (as below)
• Back up email on DFSC/CS systems on August 5 (dlgawley , gxshen)
• Start retiring pre-current term snaps (before May) (ldpaniak, nfish) https://rt.uwaterloo.ca/Ticket/Display.html?id=1228804
• New snapshots continue for now as required by courses (a2brenna, yc2lee)
• Revisit snapshot removal schedule at next DFSC meeting for the purposes of mid-August DFSC upgrade

New business

• More snapshot removals: all of cs-general (allow new ones?), cs-teaching up to July 1?
  • dlgawley: Can delete all weekly/monthlys in all regions. Keep dailies and hourlys
• NFS snapshots: ldpaniak to update ticket

• Update on 902 system upgrades and testing (nfish) * Look at networking for 902s on hs100. 10Gbit link for each of three servers

Client side

• • NFS servers to ganesha 4.0 -> ctucker
  • https://launchpad.net/~nfs-ganesha/+archive/ubuntu/libntirpc-4
  • https://launchpad.net/~nfs-ganesha/+archive/ubuntu/nfs-ganesha-4
  • Follow on from previous work https://rt.uwaterloo.ca/Ticket/Display.html?id=1208856
    • should we wait until after the kernel reversion?

Action items for next meeting

• Remove all snapshots on cluster except for hourly and daily (nfish)
• Update NFS ganesha 4.0 testing https://rt.uwaterloo.ca/Ticket/Display.html?id=1208856 (ldpaniak)
• Move 902 systems to hs100 network/work out future of 40Gbit ring (ldpaniak/dlgawley)