Ok, thanks Venky! Am Do., 20. Apr. 2023 um 06:12 Uhr schrieb Venky Shankar < vshankar@xxxxxxxxxx>: > Hi Reto, > > On Wed, Apr 19, 2023 at 9:34 PM Ilya Dryomov <idryomov@xxxxxxxxx> wrote: > > > > On Wed, Apr 19, 2023 at 5:57 PM Reto Gysi <rlgysi@xxxxxxxxx> wrote: > > > > > > > > > Hi, > > > > > > Am Mi., 19. Apr. 2023 um 11:02 Uhr schrieb Ilya Dryomov < > idryomov@xxxxxxxxx>: > > >> > > >> On Wed, Apr 19, 2023 at 10:29 AM Reto Gysi <rlgysi@xxxxxxxxx> wrote: > > >> > > > >> > yes, I used the same ecpool_hdd also for cephfs file systems. The > new pool ecpool_test I've created for a test, I've also created it with > application profile 'cephfs', but there aren't any cephfs filesystem > attached to it. > > >> > > >> This is not and has never been supported. > > > > > > > > > Do you mean 1) using the same erasure coded pool for both rbd and > cephfs, or 2) multiple cephfs filesystem using the same erasure coded pool > via ceph.dir.layout.pool="ecpool_hdd"? > > > > (1), using the same EC pool for both RBD and CephFS. > > > > > > > > 1) > > > > > > > > > 2) > > > rgysi cephfs filesystem > > > rgysi - 5 clients > > > ===== > > > RANK STATE MDS ACTIVITY DNS INOS DIRS > CAPS > > > 0 active rgysi.debian.uhgqen Reqs: 0 /s 409k 408k 40.8k > 16.5k > > > POOL TYPE USED AVAIL > > > cephfs.rgysi.meta metadata 1454M 2114G > > > cephfs.rgysi.data data 4898G 17.6T > > > ecpool_hdd data 29.3T 29.6T > > > > > > root@zephir:~# getfattr -n ceph.dir.layout /home/rgysi/am/ecpool/ > > > getfattr: Removing leading '/' from absolute path names > > > # file: home/rgysi/am/ecpool/ > > > ceph.dir.layout="stripe_unit=4194304 stripe_count=1 > object_size=4194304 pool=ecpool_hdd" > > > > > > root@zephir:~# > > > > > > backups cephfs filesystem > > > backups - 2 clients > > > ======= > > > RANK STATE MDS ACTIVITY DNS INOS > DIRS CAPS > > > 0 active backups.debian.runngh Reqs: 0 /s 253k 253k > 21.3k 899 > > > POOL TYPE USED AVAIL > > > cephfs.backups.meta metadata 1364M 2114G > > > cephfs.backups.data data 16.7T 16.4T > > > ecpool_hdd data 29.3T 29.6T > > > > > > root@zephir:~# getfattr -n ceph.dir.layout > /mnt/backups/windows/windows-drives/ > > > getfattr: Removing leading '/' from absolute path names > > > # file: mnt/backups/windows/windows-drives/ > > > ceph.dir.layout="stripe_unit=4194304 stripe_count=1 > object_size=4194304 pool=ecpool_hdd" > > > > > > root@zephir:~# > > > > > > > > > > > > So I guess I should use a different ec datapool for rbd and for each > of the cephfs filesystems in the future, correct? > > > > Definitely a different EC pool for RBD (i.e. don't mix with CephFS). > > Not sure about the _each_ of the filesystems bit -- Venky or Patrick can > > comment on whether sharing an EC pool between filesystems is OK. > > That's true for CephFS too -- different pools for each ceph file > system is recommended. > > You can use the `--allow-dangerous-metadata-overlay` option when > creating a ceph file system to reuse metadata and data pools if those > are already in use, however, it's only to be used during emergency > situations. > > > > > Thanks, > > > > Ilya > > > > > -- > Cheers, > Venky > > _______________________________________________ ceph-users mailing list -- ceph-users@xxxxxxx To unsubscribe send an email to ceph-users-leave@xxxxxxx
 |