[ceph-users] Re: rbd mirroring - journal growing and snapshot high io load

2022-09-16 Thread Arthur Outhenin-Chalandre
rror logs (and if nothing interesting is in there increase the debug level and retry). Cheers, -- Arthur Outhenin-Chalandre ___ ceph-users mailing list -- ceph-users@ceph.io To unsubscribe send an email to ceph-users-le...@ceph.io

[ceph-users] Re: rbd mirroring - journal growing and snapshot high io load

2022-09-15 Thread Arthur Outhenin-Chalandre
ow more about that or if something else could have caused your issue. Cheers, -- Arthur Outhenin-Chalandre ___ ceph-users mailing list -- ceph-users@ceph.io To unsubscribe send an email to ceph-users-le...@ceph.io

[ceph-users] Re: cephadm automatic sizing of WAL/DB on SSD

2022-07-29 Thread Arthur Outhenin-Chalandre
database, and 30GB of extra room for compaction? I don't use cephadm, but it's maybe related to this regression: https://tracker.ceph.com/issues/56031. At list the symptoms looks very similar... Cheers, -- Arthur Outhenin-Chalandre ___ ceph-users mailing list -- ceph-users@ceph.io To unsubscribe send an email to ceph-users-le...@ceph.io

[ceph-users] Re: ceph-volume lvm batch incorrectly computes db_size for external devices

2022-07-27 Thread Arthur Outhenin-Chalandre
bled upon in this tracker https://tracker.ceph.com/issues/56031. It's a pretty bad regression IMO... The fix is already available (and I just opened the backports this morning). Cheers, -- Arthur Outhenin-Chalandre ___ ceph-users mailing list -- ceph-user

[ceph-users] Re: rbd mirroring - journal growing and snapshot high io load

2022-05-24 Thread Arthur Outhenin-Chalandre
ith snapshots came from an proxmox bug ... > we will see > (https://forum.proxmox.com/threads/possible-bug-after-upgrading-to-7-2-vm-freeze-if-backing-up-large-disks.109272/) > > have a great time ... > > ronny > > Am 2022-05-12 15:29, schrieb Arthur Outhenin-Chalandre: >> On 5/1

[ceph-users] Re: v16.2.9 Pacific released

2022-05-19 Thread Arthur Outhenin-Chalandre
Hi, Not sure if that's expected but the tarball for 16.2.9 has not been uploaded apparently. Cheers, -- Arthur Outhenin-Chalandre On 5/19/22 06:18, David Galloway wrote: > 16.2.9 is a hotfix release to address a bug in 16.2.8 that can cause the > MGRs to deadlock. > &g

[ceph-users] Re: rbd mirroring - journal growing and snapshot high io load

2022-05-12 Thread Arthur Outhenin-Chalandre
would only be for new volumes if people want explicitly that feature. So we are probably not going to hit these performance issues that you suffer for quite some time and the scope of it should be limited... -- Arthur Outhenin-Chalandre ___ ceph-users mailing list -- ceph-users@ceph.io To unsubscribe send an email to ceph-users-le...@ceph.io

[ceph-users] Re: rbd mirroring - journal growing and snapshot high io load

2022-05-12 Thread Arthur Outhenin-Chalandre
ling the snapshot feature on the rbd images, the load goes > down. > disabling the rbd mirror processes did not help, load stays up. If you have no rbd-mirror running while snapshot mirroring is enabled, for me it means me that the load come from taking/deleting snapshots... At what interv

[ceph-users] Re: Grafana Dashboard Issue

2022-05-09 Thread Arthur Outhenin-Chalandre
-- Arthur Outhenin-Chalandre On 5/9/22 10:22, Michel Niyoyita wrote: > Hi Arthur , > > Thanks for your help , I have curiosity of what you use for Sir . CLI ? > or you have another method you use to manage your cluste > > Cheers > > Michel > > On Mon, May 9, 20

[ceph-users] Re: Grafana Dashboard Issue

2022-05-09 Thread Arthur Outhenin-Chalandre
Hi Michel, Sorry I don't use the dashboard, I can't help you on that part. Cheers, -- Arthur Outhenin-Chalandre On 5/9/22 10:14, Michel Niyoyita wrote: > Dear Arthur, > > Thanks for the recommandations it works, I changed the download url and > it works .  > but alway

[ceph-users] Re: Grafana Dashboard Issue

2022-05-09 Thread Arthur Outhenin-Chalandre
Hi Michel, Well either updating the url in ceph-ansible or changing ceph-ansible behavior to use the dashboards in the package as you prefer. Cheers, -- Arthur Outhenin-Chalandre On 5/9/22 08:27, Michel Niyoyita wrote: > Hello Arthur , > > What can you recommend me to resolve

[ceph-users] Re: Grafana Dashboard Issue

2022-05-08 Thread Arthur Outhenin-Chalandre
/ceph/ceph/pacific/monitoring/grafana/dashboards/ceph-cluster.json > [...] Yes the dashboards JSON were moved to https://github.com/ceph/ceph/tree/master/monitoring/ceph-mixin/dashboards_out. They are packaged both in deb and rpm packages, so I don't know why ceph-ansible download them

[ceph-users] Re: rbd mirror between clusters with private "public" network

2022-04-26 Thread Arthur Outhenin-Chalandre
for both clusters. So your rbd-mirror need to access at least the mons and the OSD from both clusters. Maybe you could try to use a tunnel like Wireguard or OpenVPN? Cheers, -- Arthur Outhenin-Chalandre ___ ceph-users mailing list -- ceph-users@ceph.io

[ceph-users] Re: Ceph remote disaster recovery at PB scale

2022-04-06 Thread Arthur Outhenin-Chalandre
th: OK service 149710160: instance_id: 149710166 client_id: barn-rbd-mirror-c hostname: barn-rbd-mirror-c.cern.ch version: 15.2.xx leader: false health: OK service 149781483: instance_id: 149710136 client_id: barn-rbd-mirror-a hostname: barn-rbd-mirror-a.cern.ch version: 15.2.x

[ceph-users] Re: Ceph remote disaster recovery at PB scale

2022-04-06 Thread Arthur Outhenin-Chalandre
Feel free to test the journal mode in your setup and report back to the list though, it could be very interesting! Cheers, -- Arthur Outhenin-Chalandre ___ ceph-users mailing list -- ceph-users@ceph.io To unsubscribe send an email to ceph-users-le...@ceph.io

[ceph-users] Re: CephFS snaptrim bug?

2022-02-24 Thread Arthur Outhenin-Chalandre
On 2/24/22 09:26, Arthur Outhenin-Chalandre wrote: > On 2/23/22 21:43, Linkriver Technology wrote: >> Could someone shed some light please? Assuming that snaptrim didn't run to >> completion, how can I manually delete objects from now-removed snapshots? I >> believe

[ceph-users] Re: CephFS snaptrim bug?

2022-02-24 Thread Arthur Outhenin-Chalandre
n probably guess all the pgs that still needs snaptrim by checking snaptrimq_len with the command `ceph pg dump pgs`. Basically all the pgs that have a non zero value need snaptrim and you can trigger the snaptrim by re-peering them. [1]: https://tracker.ceph.com/issues/52026 Cheers, -

[ceph-users] Re: RBD mirroring bootstrap peers - direction

2021-12-16 Thread Arthur Outhenin-Chalandre
that the other mode has also the same behavior. Cheers, -- Arthur Outhenin-Chalandre ___ ceph-users mailing list -- ceph-users@ceph.io To unsubscribe send an email to ceph-users-le...@ceph.io

[ceph-users] Re: RBD mirroring bootstrap peers - direction

2021-12-15 Thread Arthur Outhenin-Chalandre
e-a so that replication from site-b to site-a wouldn't be a thing at all. That being said we also run a setup where we only need one way replication but for the same reasons posted by Ilya we use rx-tx and run rbd-mirror in both sites. Cheers, -- Arthur Outhenin-Cha

[ceph-users] Re: RBD mirroring bootstrap peers - direction

2021-12-15 Thread Arthur Outhenin-Chalandre
. Cheers, -- Arthur Outhenin-Chalandre ___ ceph-users mailing list -- ceph-users@ceph.io To unsubscribe send an email to ceph-users-le...@ceph.io

[ceph-users] Re: Snapshot mirroring problem

2021-12-15 Thread Arthur Outhenin-Chalandre
. I didn't try the one way replication myself with the snapshot mode so I can't say for sure, but there is an issue in 16.2.6 [1]. It has been fixed and backported into 16.2.7, an update to that version may solve your problem! [1]: https://tracker.ceph.com/issues/52675 Cheers, -- Arthur Out

[ceph-users] Re: snapshot based rbd-mirror in production

2021-12-06 Thread Arthur Outhenin-Chalandre
rnal mode. We have no practical production experience on it yet, but we will soon rollout this into a "beta" phase for our users! Cheers, -- Arthur Outhenin-Chalandre ___ ceph-users mailing list -- ceph-users@ceph.io To unsubscribe send an email to ceph-users-le...@ceph.io

[ceph-users] Re: cephfs removing multiple snapshots

2021-11-17 Thread Arthur Outhenin-Chalandre
ormance [1]. Cheers, [1]: https://lists.ceph.io/hyperkitty/list/ceph-users@ceph.io/message/FPRB2DW4N427U25LEHYICOKI4C37BKSO/ -- Arthur Outhenin-Chalandre ___ ceph-users mailing list -- ceph-users@ceph.io To unsubscribe send an email to ceph-users-le...@ceph.io

[ceph-users] Re: snaptrim blocks io on ceph pacific even on fast NVMEs

2021-11-10 Thread Arthur Outhenin-Chalandre
was needed because I was stress testing snapshots and there was many many objects that needed this snaptrim process. You could probably increase this value for safety reasons, any value between 0.1s and 3s (that you already tested!) is probably fine! Cheers, -- Arthu

[ceph-users] Re: Rbd mirror

2021-10-01 Thread Arthur Outhenin-Chalandre
the images to replicate among themselves. Cheers, -- Arthur Outhenin-Chalandre ___ ceph-users mailing list -- ceph-users@ceph.io To unsubscribe send an email to ceph-users-le...@ceph.io

[ceph-users] Re: Rbd mirror

2021-10-01 Thread Arthur Outhenin-Chalandre
interested by the possibility of adding a second remote peer to facilitate migration of the replication process to a third cluster without stopping the replication to the remote cluster. Cheers, -- Arthur Outhenin-Chalandre ___ ceph-users mailing list --

[ceph-users] Re: integration of openstack with ceph

2021-07-13 Thread Arthur Outhenin-Chalandre
rs, -- Arthur Outhenin-Chalandre ___ ceph-users mailing list -- ceph-users@ceph.io To unsubscribe send an email to ceph-users-le...@ceph.io