Re: Attention: Documentation - mon states and names

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Custom names were never really 100% implemented, and I would not be surprised if they don't work in Reef.

> On Jun 11, 2024, at 14:02, Joel Davidow <jdavidow@xxxxxxx> wrote:
> 
> Zac,
> 
> Thanks for your super-fast response and action on this. Those four items
> are great and the corresponding email as reformatted looks good.
> 
> Jana's point about cluster names is a good one. The deprecation of custom
> cluster names, which appears to have started in octopus per
> https://docs.ceph.com/en/octopus/rados/configuration/common/, alleviates
> that confusion going forward but does not help with clusters already
> deployed with custom names.
> 
> Thanks again,
> Joel
> 
> On Tue, Jun 11, 2024 at 2:26 AM Janne Johansson <icepic.dz@xxxxxxxxx> wrote:
> 
>>> Note the difference of convention in ceph command presentation. In
>>> 
>> https://docs.ceph.com/en/latest/rados/troubleshooting/troubleshooting-mon/#understanding-mon-status
>> ,
>>> mon.X uses X to represent the portion of the command to be replaced by
>> the
>>> operator with a specific value. However, that may not be clear to all
>>> readers, some of whom may read that as a literal X. I recommend switching
>>> convention to something that makes visually explicit any portion of a
>>> command that an operator has to replace with a specific value. One such
>>> convention is to use <> as delimiters marking the portion of a command
>> that
>>> an operator has to replace with a specific value, minus the delimiters
>>> themselves. I'm sure there are other conventions that would accomplish
>> the
>>> same goal and provide the <> convention as an example only.
>> 
>> Yes, this is one of my main gripes. Many of the doc parts should more
>> visibly point out which words or parts of names are the ones that you
>> chose (by selecting a hostname for instance), it gets weird when you
>> see "mon-1" or "client.rgw.rgw1" and you don't know which of those are
>> to be changed to suit your environment and which are not. Sometimes
>> the "ceph" word sneaks into paths because it is the name of the
>> software (duh) but sometimes because it is the clustername. Now I
>> don't hope many people change their clustername, but if you did, docs
>> would be hard to follow in order to figure out where to replace "ceph"
>> with your cluster name.
>> 
>>> Also, the actual name of a mon is not clear due to the variety of mon
>> name
>>> formats. The value of the NAME column returned by ceph orch ps
>>> --daemon-type mon and the return from ceph mon dump follow the format of
>>> mon.<host> whereas the value of name returned by ceph tell <mon_name>
>>> mon_status, the mon line returned by ceph -s, and the return from ceph
>> mon
>>> stat follow the format of <host>. Unifying the return for the mon name
>>> value of all those commands could be helpful in establishing the format
>> of
>>> a mon name, though that is probably easier said than done.
>>> 
>>> In addition, in
>>> 
>> https://docs.ceph.com/en/latest/rados/configuration/mon-config-ref/#configuring-monitors
>> ,
>>> mon names are stated to use alpha notation by convention, but that
>>> convention is not followed by cephadm in the clusters that I've deployed.
>>> Cephadm also uses a minimal ceph.conf file with configs in the mon
>>> database. I recommend this section be updated to mention those changes.
>> If
>>> there is a way to explain what a mon name is or how it is formatted,
>>> perhaps adding that to that same section would be good.
>> 
>> 
>> 
>> --
>> May the most significant bit of your life be positive.
>> 
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