mw1298: https://racktables.wikimedia.org/index.php?page=object&tab=default&object_id=3004

phab1001: https://racktables.wikimedia.org/index.php?page=object&tab=default&object_id=2959

rename in DNS Gerrit change: https://gerrit.wikimedia.org/r/#/c/435211/

Change 435211 had a related patch set uploaded (by Dzahn; owner: Dzahn):
[operations/dns@master] rename wmf6937 from mw1298 to phab1002

https://gerrit.wikimedia.org/r/435211

In T195623#4243588, @RobH wrote:

@mark: Is this something you would want to approve? If it was a permanent allocation, I know it would be. Since it is a temp allocation, I'm not certain.

Please advise.

(yes)

I approve the usage of a temporary server for this migration. However I dislike the use of a server from the existing MediaWiki appserver cluster for this... Isn't there perhaps a spare that would work? I assume the hardware specs are not that critical here.

It has been suggested by Moritz because the hardware specs are quite similar to the existing phab server. ("The specs are roughly the same, phab1001 has a slightly more powerful CPU than mw1298, but both have 64 GB RAM and looking at Prometheus CPU usage is usually ~ 25% so that be fine.").

But yes, they are not that critical.

We don't have any spare systems in eqiad with 64GB of RAM.

WMF4727 has 32GB of RAM, dual 3GHz/4C and 4*4TB, so more than enough storage. Just not sure if the 32GB ram is acceptable.

In T195623#4243640, @mark wrote:

However I dislike the use of a server from the existing MediaWiki appserver cluster for this...

It's just a former imagescaler, not taking one of the currently used appservers. It already uses the spare role. Does this make it a spare?

# Row B (B6)
node /^mw129[8]\.eqiad\.wmnet$/ {
    role(spare::system)

IRC sync update:

Ok, the non-mw spare pool system with 32GB for @Dzahn's use is WMF4727. I'll create the setup task now.

Change 435211 abandoned by Dzahn:
assign wmf4727 as phab1002

https://gerrit.wikimedia.org/r/435211

Ok, I reviewed this in IRC with @Dzahn and have the following action items:

• we dont upgrade memory on existing systems, and this host is about to exit its warranty coverage next month (so not really worth doing a lot of upgrades to it, with over half its lifespan gone.)

• create sub-task to track the decommission of wmf6937 as phab1002 and then reimage it as mw1298. also link this new sub-task to T192457
• create sub-task for hardware request of new spare pool system in eqiad for phab1002 use.

Change 496116 had a related patch set uploaded (by Dzahn; owner: Dzahn):
[operations/puppet@production] set phab1002 as a spare::system

https://gerrit.wikimedia.org/r/496116

Change 496116 had a related patch set uploaded (by Dzahn; owner: Dzahn):
[operations/puppet@production] set phab1002 as a spare::system

https://gerrit.wikimedia.org/r/496116

Change 496116 abandoned by Dzahn:
set phab1002 as a spare::system

Reason:
duplicate, done in https://gerrit.wikimedia.org/r/c/operations/puppet/ /504959

https://gerrit.wikimedia.org/r/496116