[ceph-users] How to see bucket usage when user is suspended ?

2023-02-28 Thread Arnaud M
Hello to everyone When I use this command to see bucket usage radosgw-admin bucket stats --bucket= It work only when the owner of the bucket is activated How to see the usage even when the owner is suspended ? Here is 2 exemple, one with the owner activated et the other one with owner suspende

[ceph-users] Errors when scrub ~mdsdir and lots of num_strays

2022-02-28 Thread Arnaud M
Hello to everyone Our ceph cluster is healthy and everything seems to go well but we have a lot of num_strays ceph tell mds.0 perf dump | grep stray "num_strays": 1990574, "num_strays_delayed": 0, "num_strays_enqueuing": 0, "strays_created": 3, "strays_enqu

[ceph-users] Re: Errors when scrub ~mdsdir and lots of num_strays

2022-03-01 Thread Arnaud M
I am using ceph pacific (16.2.5) Does anyone have an idea about my issues ? Thanks again to everyone All the best Arnaud Le mar. 1 mars 2022 à 01:04, Arnaud M a écrit : > Hello to everyone > > Our ceph cluster is healthy and everything seems to go well but we have a > lot o

[ceph-users] Re: Errors when scrub ~mdsdir and lots of num_strays

2022-03-01 Thread Arnaud M
of deleted files. > You need to delete the snapshots, or "reintegrate" the hardlinks by > recursively listing the relevant files. > > BTW, in pacific there isn't a big problem with accumulating lots of > stray files. (Before pacific there was a default limit of 1M stra

[ceph-users] How often should I scrub the filesystem ?

2022-03-05 Thread Arnaud M
Hello to everyone :) Just some question about filesystem scrubbing In this documentation it is said that scrub will help admin check consistency of filesystem: https://docs.ceph.com/en/latest/cephfs/scrub/ So my questions are: Is filesystem scrubbing mandatory ? How often should I scrub the wh

[ceph-users] Re: Errors when scrub ~mdsdir and lots of num_strays

2022-03-05 Thread Arnaud M
h.io/hyperkitty/list/ceph-users@ceph.io/thread/2NT55RUMD33KLGQCDZ74WINPPQ6WN6CW/ > > And about the crash, it could be related to > https://tracker.ceph.com/issues/51824 > > Cheers, dan > > > On Tue, Mar 1, 2022 at 11:30 AM Arnaud M > wrote: > > > > Hello Dan &

[ceph-users] Re: How often should I scrub the filesystem ?

2022-03-07 Thread Arnaud M
mars 2022 à 23:26, Arnaud M a écrit : > Hello to everyone :) > > Just some question about filesystem scrubbing > > In this documentation it is said that scrub will help admin check > consistency of filesystem: > > https://docs.ceph.com/en/latest/cephfs/scrub/ > &g

[ceph-users] Re: How often should I scrub the filesystem ?

2022-03-11 Thread Arnaud M
r 6, 2022 at 3:57 AM Arnaud M > wrote: > >> Hello to everyone :) >> >> Just some question about filesystem scrubbing >> >> In this documentation it is said that scrub will help admin check >> consistency of filesystem: >> >> https://docs.

[ceph-users] Re: CephFS snaptrim bug?

2022-03-17 Thread Arnaud M
Hello Linkriver I might have an issue close to your Can you tell us if your strays dirs are full ? What does this command output to you ? ceph tell mds.0 perf dump | grep strays Does the value change over time ? All the best Arnaud Le mer. 16 mars 2022 à 15:35, Linkriver Technology < techno

[ceph-users] Re: Laggy OSDs

2022-03-29 Thread Arnaud M
Hello is swap enabled on your host ? Is swap used ? For our cluster we tend to allocate enough ram and disable swap Maybe the reboot of your host re-activated swap ? Try to disable swap and see if it help All the best Arnaud Le mar. 29 mars 2022 à 23:41, David Orman a écrit : > We're defin

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

2022-04-01 Thread Arnaud M
Hello I will speak about cephfs because it what I am working on Of course you can do some kind of rsync or rclone between two cephfs clusters but at petabytes scales it will be really slow and cost a lot ! There is another approach that we tested successfully (only on test not in prod) We creat

[ceph-users] What is the max size of cephfs (filesystem)

2022-06-20 Thread Arnaud M
Hello to everyone I have looked on the internet but couldn't find an answer. Do you know the maximum size of a ceph filesystem ? Not the max size of a single file but the limit of the whole filesystem ? For example a quick search on zfs on google output : A ZFS file system can store up to *256 qu

[ceph-users] Re: What is the max size of cephfs (filesystem)

2022-06-20 Thread Arnaud M
hdfs which I > know/worked with more than 50.000 HDDs without problems. > > On Mon, Jun 20, 2022 at 10:46 AM Arnaud M > wrote: > > > > Hello to everyone > > > > I have looked on the internet but couldn't find an answer. > > Do you know the maximum size of

[ceph-users] Re: What is the max size of cephfs (filesystem)

2022-06-20 Thread Arnaud M
22 um 09:45 schrieb Arnaud M: > > > A ZFS file system can store up to *256 quadrillion zettabytes* (ZB). > > How would a storage system look like in reality that could hold such an > amount of data? > > Regards > -- > Robert Sander > Heinlein Consulting GmbH >

[ceph-users] Best value for "mds_cache_memory_limit" for large (more than 10 Po) cephfs

2022-06-22 Thread Arnaud M
Hello to everyone I have a ceph cluster currently serving cephfs. The size of the ceph filesystem is around 1 Po. 1 Active mds and 1 Standby-replay I do not have a lot of cephfs clients for now 5 but it may increase to 20 or 30. Here is some output Rank | State | Daemon