Three MDS’ total, all serving the primary/original fs:
[root@cephmon-s03 ]# ceph fs status
cephfs1 - 8 clients
=======
+------+--------+-------------+---------------+-------+-------+
| Rank | State | MDS | Activity | dns | inos |
+------+--------+-------------+---------------+-------+-------+
| 0 | active | cephmon-03 | Reqs: 0 /s | 160 | 163 |
| 1 | active | cephmon-02 | Reqs: 0 /s | 10 | 13 |
| 2 | active | cephmon-01 | Reqs: 0 /s | 10 | 13 |
+------+--------+-------------+---------------+-------+-------+
+---------------------+----------+-------+-------+
| Pool | type | used | avail |
+---------------------+----------+-------+-------+
| stp.cephfs_metadata | metadata | 344M | 24.8T |
| stp.cephfs_data | data | 11.1T | 24.8T |
+---------------------+----------+-------+-------+
+-------------+
| Standby MDS |
+-------------+
+-------------+
MDS version: ceph version 14.2.8 (2d095e947a02261ce61424021bb43bd3022d35cb) nautilus (stable)
[root@cephmon-03 ]#
Sorry for email formatting, I’m stuck with formatting options.
peter
On Mon, Mar 9, 2020 at 2:17 PM Nathan Fish <lordcirth@xxxxxxxxx> wrote:
Peter Eisch Senior Site Reliability Engineer
T 1.612.445.5135
virginpulse.com
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v2.64
How many MDS's do you have total, and how are they assigned? 'ceph fs status'.
On Mon, Mar 9, 2020 at 3:14 PM Peter Eisch <peter.eisch@xxxxxxxxxxxxxxx> wrote:
Hi, (nautilus, 14.2.8, whole cluster)
I doodled with adding a second cephfs and the project got canceled. I removed the unused cephfs with "ceph fs rm dream --yes-i-really-mean-it" and that worked as expected. I have a lingering health warning though which won't clear.
The original cephfs1 volume exists and is healthy:
[root@cephmon-03]# ceph fs ls
name: cephfs1, metadata pool: stp.cephfs_metadata, data pools: [stp.cephfs_data ]
[root@cephmon-03]# ceph mds stat
cephfs1:3 {0=cephmon-03=up:active,1=cephmon-02=up:active,2=cephmon-01=up:active}
[root@cephmon-03]# ceph health detail
HEALTH_WARN insufficient standby MDS daemons available
MDS_INSUFFICIENT_STANDBY insufficient standby MDS daemons available
have 0; want 1 more
[root@cephmon-03]#
I have not yet deleted the pools for 'dream', the second cephfs definition. (There is nothing in it.)
Before deleting the pools is there a command to clear this warning?
Thanks!
peter
Peter Eisch
Senior Site Reliability Engineer
T
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v2.64
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