Hi All,
Got a funny one, which I'm hoping someone can help us with.
We've got three identical(?) Ceph Quincy Nodes running on Rocky Linux
8.7. Each Node has 4 OSDs, plus Monitor, Manager, and iSCSI G/W services
running on them (we're only a small shop). Each Node has a separate 16
GiB partiti
It’s printed in the OSD log at startup.
I don’t immediately see it in `ceph osd metadata` ; arguably it should be
there. `config show` on the admin socket I suspect does not show the existing
value.
>
> Hi,
>
> Ceph 16 Pacific introduced a new smaller default min_alloc_size of 4096 bytes
>
Hi,
Ceph 16 Pacific introduced a new smaller default min_alloc_size of 4096 bytes
for HDD and SSD OSDs.
How can I get the current min_allloc_size of OSDs that were created with older
Ceph versions? Is there a command that shows this info from the on disk format
of a bluestore OSD?
Regards
--
I think “ceph pg dump” is what you’re after, look for the “UP” and “ACTIVE”
fields to map a PG to an OSD. From there it’s just a matter of verifying your
PG placement matches the CRUSH rule.
From: Christopher Durham
Date: Wednesday, January 11, 2023 at 3:56 PM
To: ceph-users@ceph.io
Subject: [
Hi,
For a given crush rule and pool that uses it, how can I verify hat the pgs in
that pool folllow the rule? I have a requirement to 'prove' that the pgs are
mapping correctly.
I see: https://pypi.org/project/crush/
This allows me to read in a crushmap file that I could then use to verify a pg
Hello there,
I'm running Ceph 15.2.17 (Octopus) on Debian Buster and I'm starting an
upgrade but I'm seeing a problem and I wanted to ask how best to proceed
in case I make things worse by mucking with it without asking experts.
I've moved an rbd image to the trash without clearing the snapsh
Hi all,
Is there any way in rgw to move a bucket from one realm to another one in
the same cluster?
Best regards,
Mahnoosh
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I just wanted to see if something like "all available devices" is
managed and could possibly override your drivegroups.yml. Here's an
example:
storage01:~ # ceph orch ls osd
NAME PORTS RUNNING REFRESHED AGE PLACEMENT
osd 3 9m ago
I can't recall having used the objectstore-tool to mark PGs as
complete, so I can't really comfirm if that will work and if it will
unblock the stuck requests (I would assume it does). Hopefully someone
can chime in here.
Zitat von Deep Dish :
Eugen,
I never insinuated my circumstance is
Not really, its on an airgapped/secure network and I cannot copy-and-paste from
it. What are you looking for? This cluster has 720 OSDs across 18 storage
nodes.
I think we have identified the problem and it may not be a ceph issue, but need
to investigate further. It has something to do wit
Dear Ceph users,
my cluster is build with old hardware on a gigabit network, so I often
experience warnings like OSD_SLOW_PING_TIME_BACK. These in turn triggers
alert mails too often, forcing me to disable alerts which is not
sustainable. So my question is: is it possible to tell Ceph to ignor
One of OSD(other OSDs are fine) was crashed, and try
"ceph-bluestore-tool fsck" also crashed with same error. Besides destroy
this OSD and re-create, are there any other steps I can do to restore
the OSD?
Below is part of message:
/home/jenkins-build/build/workspace/ceph-build/ARCH/x86_64/AVAILAB
Hi Anthony and Serkan,
I checked the drive temperatures and there is nothing special about this slot.
The disks in this slot are from different vendors and were not populated
incrementally. It might be a very weird coincidence. I seem to have an OSD
developing this problem in another slot on a
Hi Istvan,
our experience is the opposite. We put as many PGs in pools as the OSDs can
manage. We aim for between 100 and 200 for HDDs and accept larger than 200 for
SSDs. The smaller the PGs the better work all internal operations, including
snaptrim, recovery, scrubbing etc. on our cluster.
Hi Dongdong.
> is simple and can be applied cleanly.
I understand this statement from a developer's perspective. Now, try to explain
to a user with a cephadm deployed containerized cluster how to build a
container from source, point cephadm to use this container and what to do for
the next upg
Hi,
> On 10 Jan 2023, at 07:10, David Orman wrote:
>
> We ship all of this to our centralized monitoring system (and a lot more) and
> have dashboards/proactive monitoring/alerting with 100PiB+ of Ceph. If you're
> running Ceph in production, I believe host-level monitoring is critical,
> abo
HI There,
Is there someone, who had some experience of implementing Intel Cache
Accelerator Solution on top of iSCSI Gateway.
Thanks and Regards,
Koki
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Hi,
can you share the output of
storage01:~ # ceph orch ls osd
Thanks,
Eugen
Zitat von Wyll Ingersoll :
When adding a new OSD to a ceph orchestrated system (16.2.9) on a
storage node that has a specification profile that dictates which
devices to use as the db_devices (SSDs), the newly ad
Hi,
Wonder have you ever faced issue with snaptrimming if you follow ceph pg
allocation recommendation (100pg/osd)?
We have a nautilus cluster and we scare to increase the pg-s of the pools
because seems like even if we have 4osd/nvme, if the pg number is higher = the
snaptrimming is slower.
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