Hello all,
Please can someone offer some advice. In ceph.conf, I use:
osd_mkfs_type = btrfs
osd_mount_options_btrfs =
noatime,nodiratime,compress-force=lzo
filestore btrfs snap = false
However, some of my OSDs are becoming much more full than others, as not
all are being mounted with the compress-force option. Is this a CEPH
issue or a BTRFS issue? Or other?
Take one host. Note that sdc1 is mounted twice, neither of which have
the compress-force option.
/dev/sdc1 on /var/lib/ceph/tmp/mnt.AywYKY type btrfs
(rw,noatime,space_cache,user_subvol_rm_allowed,subvolid=5,subvol=/)
/dev/sdd1 on /var/lib/ceph/osd/ceph-16 type btrfs
(rw,noatime,nodiratime,compress-force=lzo,space_cache,subvolid=5,subvol=
/)
/dev/sdc1 on /var/lib/ceph/osd/ceph-15 type btrfs
(rw,noatime,nodiratime,space_cache,user_subvol_rm_allowed,subvolid=5,sub
vol=/)
/dev/sdb1 on /var/lib/ceph/osd/ceph-20 type btrfs
(rw,noatime,nodiratime,compress-force=lzo,space_cache,subvolid=5,subvol=
/)
After a reboot, it's a sdd1 this time.
/dev/sdd1 on /var/lib/ceph/tmp/mnt.kWh2NA type btrfs
(rw,noatime,space_cache,user_subvol_rm_allowed,subvolid=5,subvol=/)
/dev/sdd1 on /var/lib/ceph/osd/ceph-16 type btrfs
(rw,noatime,nodiratime,space_cache,user_subvol_rm_allowed,subvolid=5,sub
vol=/)
/dev/sdc1 on /var/lib/ceph/osd/ceph-15 type btrfs
(rw,noatime,nodiratime,compress-force=lzo,space_cache,subvolid=5,subvol=
/)
/dev/sdb1 on /var/lib/ceph/osd/ceph-20 type btrfs
(rw,noatime,nodiratime,compress-force=lzo,space_cache,subvolid=5,subvol=
/)
Where should I look next? I'm on 0.94.6
Thanks in advance,
Chris
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