Ceph » CephFS

Is file size larger than it should be? do you store cephfs metadata on ec pools?

Zheng Yan wrote:

Is file size larger than it should be? do you store cephfs metadata on ec pools?

metadata in replicate pool.

Patrick Donnelly wrote:

Can you paste `ceph fs dump` and `ceph osd dump`.

dumped fsmap epoch 83
e83
enable_multiple, ever_enabled_multiple: 0,0
compat: compat={},rocompat={},incompat={1=base v0.20,2=client writeable ranges,3=default file layouts on dirs,4=dir inode in separate object,5=mds uses versioned encoding,6=dirfrag is stored in omap,8=no anchor table,9=file layout v2}
legacy client fscid: 1

Filesystem 'cephfs' (1)
fs_name cephfs
epoch 83
flags c
created 2018-03-01 14:08:40.207564
modified 2018-03-01 14:08:40.207564
tableserver 0
root 0
session_timeout 60
session_autoclose 300
max_file_size 1099511627776
last_failure 0
last_failure_osd_epoch 0
compat compat={},rocompat={},incompat={1=base v0.20,2=client writeable ranges,3=default file layouts on dirs,4=dir inode in separate object,5=mds uses versioned encoding,6=dirfrag is stored in omap,8=no anchor table,9=file layout v2}
max_mds 1
in 0
up {0=16149}
failed
damaged
stopped 1
data_pools [7,8]
metadata_pool 6
inline_data disabled
balancer
standby_count_wanted 1
16149: 10.12.10.33:6800/1681698867 '33' mds.0.6 up:active seq 456739

Standby daemons:

15884: 10.12.10.32:6800/106179882 '32' mds.-1.0 up:standby seq 2
27678: 10.12.10.34:6800/1566981326 '34' mds.-1.0 up:standby seq 2

When did you create the filesystem. were the filesystem created before luminous?

Do you know how these files were created. more specifically, do these files ever get truncated