Hi guys,
I have a ceph cluster with three MDS servers, two of them in active status,
while the left one is in standby-replay mode. Today I found the message '1
MDSs are read only' show up when check the cluster status with 'ceph -s',
details as below:
# ceph -s
cluster:
id: 3d43e9a5-50d
I got some error from mds.log as below:
2020-07-30 18:14:38.574 7f6473346700 0 log_channel(cluster) log [WRN] : 94
slow requests, 0 included below; oldest blocked for > 619910.524984 secs
2020-07-30 18:14:43.574 7f6473346700 0 log_channel(cluster) log [WRN] : 94
slow requests, 0 included below;
Have you tried restart of the MDS.
On Thu, 30 Jul 2020, 16:40 Frank Yu, wrote:
> I got some error from mds.log as below:
>
> 2020-07-30 18:14:38.574 7f6473346700 0 log_channel(cluster) log [WRN] : 94
> slow requests, 0 included below; oldest blocked for > 619910.524984 secs
> 2020-07-30 18:14:4
No, I think I should get the reason why it fall into read only, and found
the correct method to fix it Just restart the mds is dangerous, I think.
On Thu, Jul 30, 2020 at 7:35 PM sathvik vutukuri <7vik.sath...@gmail.com>
wrote:
> Have you tried restart of the MDS.
>
> On Thu, 30 Jul 2020, 16
Hi Igor,
thanks for looking at this. Here a few thoughts:
The copy goes to NTFS. I would expect between 2-4 meta data operations per
write, which would go to few existing objects. I guess the difference
bluestore_write_small-bluestore_write_small_new are mostly such writes and are
susceptible
have fix it according
http://lists.ceph.com/pipermail/ceph-users-ceph.com/2019-May/034946.html.
please ignore this thread.
On Thu, Jul 30, 2020 at 7:52 PM Frank Yu wrote:
> No, I think I should get the reason why it fall into read only, and found
> the correct method to fix it Just restart
Hi Frank,
On 7/30/2020 11:19 AM, Frank Schilder wrote:
Hi Igor,
thanks for looking at this. Here a few thoughts:
The copy goes to NTFS. I would expect between 2-4 meta data operations per
write, which would go to few existing objects. I guess the difference
bluestore_write_small-bluestore_wr
Thanks XuYun. Changing the ceph-mgr deployment to use:
hostPID: true
does stop the memory leak.
I wonder if a bug report should be opened with Ceph or not. It's not
really a Ceph issue but since containerized deploys are becoming more
popular it may be worth looking into.
Any opinions from the
Hi all,
I just updated a Ceph cluster from Nautilus to Octopus and followed the
documentation in order to migrate from the original ceph-ansible setup to
cephadm.
Overall, this worked great, but there's one part that I couldn't figure out yet
and that doesn't seem to be documented: How do I mi
Dear all,
We have a ceph cluster where we are have configured two SSD only pools in order
to use them as cache tier for the spinning discs. Altogether there are 27 SSDs
organized on 9 hosts distributed in 3 chassis. The hierarchy looks like this:
$ ceph osd df tree | grep -E 'ssd|ID'
ID CLASS
This is a natural condition of CRUSH. You don’t mention what release the
back-end or the clients are running so it’s difficult to give an exact answer.
Don’t mess with the CRUSH weights.
Either adjust the override / reweights with `ceph osd
test-reweight-by-utilization / reweight-by-utilizatio
Hi,
I've configured the all.yml like this:
grep -v "^#\|^$"
ceph/ceph-ansible-playbooks/ceph-ansible-stable-4.0/group_vars/all.yml
---
dummy:
nautilus: 14
cluster: ceph
mon_group_name: mons
osd_group_name: osds
mgr_group_name: mgrs
configure_firewall: False
centos_package_dependencies:
- ep
1 thing I forgot to mention, we have proxy settings on the servers:
curl -A 'urlgrabber/3.9.1 yum/3.2.29' -LIv
https://mirrors.fedoraproject.org/metalink?repo=epel-7&arch=x86_64
[1] 28809
[root@hk-cephm-2007 ~]# * About to connect() to proxy sisproxy port 3128 (#0)
* Trying 10.118.37.223...
* C
Hello,
I am looking into connecting my rados gateway to LDAP and found the
following documentation.
https://docs.ceph.com/docs/master/radosgw/ldap-auth/
I would like to allow an LDAP group to have access to create and manage
buckets.
The questions I still have are the following:
-Do the LDAP
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Hello Anthony,
thank you for your answer. I forgot to mention the version. It's Luminous
(12.2.9), the clients are OpenStack (Queens) VMs.
Kind regards,
Laszlo
On 7/30/20 8:59 PM, Anthony D'Atri wrote:
> This is a natural condition of CRUSH. You don’t mention what release the
> back-end or th
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