Could someone help me understand why it's a bad idea to set min_size of
erasure-coded pools to k?
>From what I've read, the argument for k+1 is that if min_size is k and you
lose an OSD during recovery after a failure of m OSDs, data will become
unavailable. But how does setting min_size to k+1
> what's the cluster status? Is there recovery or backfilling
> going on?
No. Everything is good except this PG is not getting scrubbed.
Vlad
On 7/21/23 01:41, Eugen Block wrote:
Hi,
what's the cluster status? Is there recovery or backfilling
going on?
Zitat von Vladimir Brik :
I have a PG that hasn't been scrubbed in over a month and
not deep-scrubbed in over two months.
I tried forcing with `ceph pg (deep-)scrub` but with no success.
Looking at the logs of that PG's primary OSD it looks like
every once in a while it attempts (and apparently fails) to
scrub that
How do I create a user name and password that I could use to
log in to grafana?
Vlad
On 11/16/22 08:42, E Taka wrote:
Thank you, Nizam. I wasn't aware that the Dashboard login is not the same
as the grafana login. Now I have accass to the logfiles.
Am Mi., 16. Nov. 2022 um 15:06 Uhr schrieb
Has anybody run into issues with Quincy and podman 4.2?
4x podman series are not mentioned in
https://docs.ceph.com/en/quincy/cephadm/compatibility/ but
podman 3x is no longer available in Alma Linux
Vlad
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On 12/13/22 12:46, Janne Johansson wrote:
Den tis 13 dec. 2022 kl 17:47 skrev Vladimir Brik
:
Hello
I have a bunch of HDD OSDs with DB/WAL devices on SSD. If
the current trends continue, the DB/WAL devices will become
full before the HDDs completely fill up (e.g. a 50% full HDD
has DB/WAL devi
Hello
I have a bunch of HDD OSDs with DB/WAL devices on SSD. If
the current trends continue, the DB/WAL devices will become
full before the HDDs completely fill up (e.g. a 50% full HDD
has DB/WAL device that is about 65% full).
Will anything terrible happen when DB/WAL devices fill up?
e know?
Thanks.
On Tue, 19 Apr 2022 at 01:14, Vladimir Brik
<mailto:vladimir.b...@icecube.wisc.edu>> wrote:
Does anybody know why cephfs-top may only display header
lines (date, client types, metric names) but no actual data?
When I run it, cephfs-top consumes quite a bit of
Hello
I think I may have run into a bug in cephfs that has
security implications. I am not sure it's a good idea to
send the details to the public mailing list or create a
public ticket for it.
How should I proceed?
Thanks
Vlad
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ceph-users
Hello
How can I use ceph orch apply to deploy single site rgw
daemons with custom frontend configuration?
Basically, I have three servers in a DNS round-robin, each
running a 15.2.12 rgw daemon with this configuration:
rgw_frontends = civetweb num_threads=5000 port=443s
Hello
My attempt to upgrade from Octopus to Pacific ran into
issues, and I currently have one 16.2.4 mon and two 15.2.12
mons. Is this safe to run the cluster like this or should I
shut down the 16.2.4 mon until I figure out what to do next
with the upgrade?
Thanks,
Vlad
Hello
My upgrade from 15.2.12 to 16.2.4 is stuck because a mon
daemon failed to upgrade. Systemctl status of the mon showed
this error:
Error: open /sys/fs/cgroup/cpuacct,cpu/system.slice/...
It turns out there is no /sys/fs/cgroup/cpuacct,cpu
directory on my system. Instead, I have
I am not sure how to interpret CEPHADM_STRAY_HOST and
CEPHADM_STRAY_DAEMON warnings. They seem to be inconsistent.
I converted my cluster to be managed by cephadm by adopting
mon and all other daemons, and they show up in ceph orch ps,
but ceph health says mons are stray:
[WRN]
One possibly relevant detail: the cluster has 8 nodes, and the new pool
I created uses k5 m2 erasure coding.
Vlad
On 4/9/20 11:28 AM, Vladimir Brik wrote:
Hello
I am running ceph 14.2.7 with balancer in crush-compat mode (needed
because of old clients), but it's doesn't seem to be doing
Hello
I am running ceph 14.2.7 with balancer in crush-compat mode (needed
because of old clients), but it's doesn't seem to be doing anything. It
used to work in the past. I am not sure what changed. I created a big
pool, ~285TB stored, and it doesn't look like it ever got balanced:
pool 43
I am wondering if there exists a tool, faster than "rados export", that
can copy and restore read-only pools (to/from another pool or file system).
It looks like "rados export" is very slow because it is single threaded
(the best I can tell, --workers doesn't make a difference).
Vlad
Hello
I have ~300TB of data in default.rgw.buckets.data k2m2 pool and I would
like to move it to a new k5m2 pool.
I found instructions using cache tiering[1], but they come with a vague
scary warning, and it looks like EC-EC may not even be possible [2] (is
it still the case?).
Can
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