On Mon, Dec 02, 2019 at 10:27:21AM +0100, Marc Roos wrote:
I have been asking before[1]. Since Nautilus upgrade I am having these,
with a total node failure as a result(?). Was not expecting this in my
'low load' setup. Maybe now someone can help resolving this? I am also
waiting quite some time to get access at
https://tracker.ceph.com/issues.
Just a wild guess: do you have a lot of snapshots (> ~400)? If so,
that's probably the problem. See [1] and [2].
[1]
https://docs.ceph.com/docs/master/cephfs/experimental-features/#snapshots
[2]
https://tracker.ceph.com/issues/21420
Cheers,
--
Luís
>
>
> Dec 1 03:14:36 c04 kernel: ceph: build_snap_context 100020c9287
> ffff911a9a26bd00 fail -12
> Dec 1 03:14:36 c04 kernel: ceph: build_snap_context 100020c9283
> ffff911d34e69d00 fail -12
> Dec 1 03:14:36 c04 kernel: ceph: build_snap_context 100020c9276
> ffff911d34e69c00 fail -12
> Dec 1 03:14:36 c04 kernel: ceph: build_snap_context 100020c926c
> ffff912068b92c00 fail -12
> Dec 1 03:14:36 c04 kernel: ceph: build_snap_context 100020c9268
> ffff912068b93000 fail -12
> Dec 1 03:14:36 c04 kernel: ceph: build_snap_context 100020c926d
> ffff912068b92900 fail -12
> Dec 1 03:14:36 c04 kernel: ceph: build_snap_context 100020c928a
> ffff912118e5be00 fail -12
> Dec 1 03:14:36 c04 kernel: ceph: build_snap_context 100020c9272
> ffff9119950d9500 fail -12
> Dec 1 03:14:36 c04 kernel: ceph: build_snap_context 100020c9269
> ffff911940f3d000 fail -12
> Dec 1 03:14:36 c04 kernel: ceph: build_snap_context 100020c9270
> ffff911748427c00 fail -12
> Dec 1 03:14:36 c04 kernel: ceph: build_snap_context 100020c926b
> ffff91169b000600 fail -12
> Dec 1 03:14:36 c04 kernel: ceph: build_snap_context 100020c9281
> ffff91169b000500 fail -12
> Dec 1 03:14:36 c04 kernel: ceph: build_snap_context 100020c9288
> ffff9115844d2500 fail -12
> Dec 1 03:14:36 c04 kernel: ceph: build_snap_context 100020c927d
> ffff9115844d2e00 fail -12
> Dec 1 03:14:36 c04 kernel: ceph: build_snap_context 100020c9280
> ffff91186401b000 fail -12
> Dec 1 03:14:36 c04 kernel: ceph: build_snap_context 100020c9267
> ffff9121535ecc00 fail -12
> Dec 1 03:14:36 c04 kernel: ceph: build_snap_context 100020c927c
> ffff9121cecb1e00 fail -12
> Dec 1 03:14:36 c04 kernel: ceph: build_snap_context 100020c9271
> ffff9121cecb0400 fail -12
> Dec 1 03:14:36 c04 kernel: ceph: build_snap_context 100020c9279
> ffff911d26646300 fail -12
> Dec 1 03:14:36 c04 kernel: ceph: build_snap_context 100020c927f
> ffff911d26646900 fail -12
> Dec 1 03:14:36 c04 kernel: ceph: build_snap_context 100020c9275
> ffff9121cecb1700 fail -12
> Dec 1 03:14:36 c04 kernel: ceph: build_snap_context 100020c9259
> ffff91170c9f6600 fail -12
> Dec 1 03:14:36 c04 kernel: ceph: build_snap_context 100020c9257
> ffff9118ef2a8000 fail -12
> Dec 1 03:14:36 c04 kernel: ceph: build_snap_context 100020c924e
> ffff911a1e091800 fail -12
> Dec 1 03:14:36 c04 kernel: ceph: build_snap_context 100020c9262
> ffff911a1e090c00 fail -12
> Dec 1 03:14:36 c04 kernel: ceph: build_snap_context 100020c9266
> ffff9115e3859500 fail -12
> Dec 1 03:14:36 c04 kernel: ceph: build_snap_context 100020c924f
> ffff9118aefd1300 fail -12
> Dec 1 03:14:36 c04 kernel: ceph: build_snap_context 100020c925f
> ffff91170c9f6100 fail -12
> Dec 1 03:14:36 c04 kernel: ceph: build_snap_context 100020c9252
> ffff9115e3859800 fail -12
> Dec 1 03:14:36 c04 kernel: ceph: build_snap_context 100020c9256
> ffff912045dc5300 fail -12
> Dec 1 03:14:36 c04 kernel: ceph: build_snap_context 100020c9254
> ffff91170c9f6900 fail -12
> Dec 1 03:14:36 c04 kernel: ceph: build_snap_context 100020c9261
> ffff91170c9f7100 fail -12
> Dec 1 03:14:36 c04 kernel: ceph: build_snap_context 100020d4ec4
> ffff9118aefd0000 fail -12
>
> [1]
>
https://www.mail-archive.com/ceph-users@ceph.io/msg01088.html
>
https://www.mail-archive.com/ceph-users@ceph.io/msg00969.html
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