Hi Boris,
Yeah, this is the reason:
-1> 2021-03-15T16:21:35.307+0100 7f8b1fd8d700 5 prioritycache tune_memory target: 4294967296<tel:4294967296>mapped: 454098944<tel:454098944> unmapped: 8560640<tel:8560640> heap: 462659584<tel:462659584> old mem: 2845415832<tel:2845415832> new mem: 2845415832<tel:2845415832>
0> 2021-03-15T16:21:35.311+0100 7f8b11570700 -1 *** Caught signal (Aborted) **
in thread 7f8b11570700 thread_name:tp_osd_tp
On 2021. Mar 14., at 15:10, Boris Behrens <bb@xxxxxxxxx> wrote:
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Hi,
do you know why the OSDs are not starting?
When I had the problem that a start does not work, I tried the 'ceph-volume lvm activate --all' on the host, which brought the OSDs back up.
But I can't tell you if it is safe to remove the OSD.
Cheers
Boris
Am So., 14. März 2021 um 02:38 Uhr schrieb Szabo, Istvan (Agoda) <Istvan.Szabo@xxxxxxxxx<mailto:Istvan.Szabo@xxxxxxxxx>>:
Hi Gents,
There is a cluster with 14 hosts in this state:
https://i.ibb.co/HPF3Pdr/6-ACB2-C5-B-6-B54-476-B-835-D-227-E9-BFB1247.jpg
There is a host based crush rule ec 3:1 and there are 3 hosts where are osds down.
Unfortunately there are pools with 3 replicas also which is host based.
2 hosts have 2 osds down,1 host has 1 osd down, which means I guess if we don’t bring it back, 0.441% data loss is going to happen. Am I right?
I hope I’m not right because there isn’t any missplaced objects, only degraded.
The problem is that the osds are not starting so somehow these 5 osds should be removed, but I’m curious which is my statement is correct.
Thank you in advance.
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