On 29/03/2024 04:18, Niklas Hambüchen wrote:
Hi Loïc, I'm surprised by that high storage amount, my "default" pool uses only ~512 Bytes per file, not ~32 KiB like in your pool. That's a 64x difference!
(See also my other response to the original post I just sent.)
I'm using Ceph 16.2.1.
>
Hello,
We actually traced the source of this issue: a configuration mistake
(data pool not set properly on a client directory).
The directories for this client had "a few" large (tens of GiB) files,
which were stored in the "default" pool and used up a lot of space.
With this client's data moved where they belong:
[ceph: root@NODE /]# ceph df
--- RAW STORAGE ---
CLASS SIZE AVAIL USED RAW USED %RAW USED
hdd 6.1 PiB 3.8 PiB 2.3 PiB 2.3 PiB 37.15
ssd 52 TiB 49 TiB 3.2 TiB 3.2 TiB 6.04
TOTAL 6.1 PiB 3.9 PiB 2.3 PiB 2.3 PiB 36.89
--- POOLS ---
POOL ID PGS STORED OBJECTS USED %USED MAX AVAIL
device_health_metrics 2 1 710 MiB 664 2.1 GiB 0 15 TiB
cephfs_EC_data 3 8192 1.7 PiB 606.79M 2.1 PiB 38.13 2.8 PiB
cephfs_metadata 4 128 101 GiB 14.55M 304 GiB 0.64 15 TiB
cephfs_default 5 128 0 B 162.90M 0 B 0 15 TiB
[...]
So the "correct" stored value for the default pool should be 0 bytes.
Loïc.
--
| Loīc Tortay <tortay@xxxxxxxxxxx> - IN2P3 Computing Centre |
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