That's just setting noout, norebalance, etc.

> On Jun 12, 2024, at 11:28, Michael Worsham <mwors...@datadimensions.com> 
> wrote:
> 
> Interesting. How do you set this "maintenance mode"? If you have a series of 
> documented steps that you have to do and could provide as an example, that 
> would be beneficial for my efforts.
> 
> We are in the process of standing up both a dev-test environment consisting 
> of 3 Ceph servers (strictly for testing purposes) and a new production 
> environment consisting of 20+ Ceph servers.
> 
> We are using Ubuntu 22.04.
> 
> -- Michael
> 
> ________________________________
> From: Daniel Brown <daniel.h.brown@thermify.cloud>
> Sent: Wednesday, June 12, 2024 9:18 AM
> To: Anthony D'Atri <anthony.da...@gmail.com>
> Cc: Michael Worsham <mwors...@datadimensions.com>; ceph-users@ceph.io 
> <ceph-users@ceph.io>
> Subject: Re: [ceph-users] Patching Ceph cluster
> 
> This is an external email. Please take care when clicking links or opening 
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> 
> 
> There’s also a Maintenance mode that you can set for each server, as you’re 
> doing updates, so that the cluster doesn’t try to move data from affected 
> OSD’s, while the server being updated is offline or down. I’ve worked some on 
> automating this with Ansible, but have found my process (and/or my cluster) 
> still requires some manual intervention while it’s running to get things done 
> cleanly.
> 
> 
> 
>> On Jun 12, 2024, at 8:49 AM, Anthony D'Atri <anthony.da...@gmail.com> wrote:
>> 
>> Do you mean patching the OS?
>> 
>> If so, easy -- one node at a time, then after it comes back up, wait until 
>> all PGs are active+clean and the mon quorum is complete before proceeding.
>> 
>> 
>> 
>>> On Jun 12, 2024, at 07:56, Michael Worsham <mwors...@datadimensions.com> 
>>> wrote:
>>> 
>>> What is the proper way to patch a Ceph cluster and reboot the servers in 
>>> said cluster if a reboot is necessary for said updates? And is it possible 
>>> to automate it via Ansible? This message and its attachments are from Data 
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