Physical movement of machines preparation

[Vicky Vergara]

Hello all

With the last night update to discourse I also tested that lists.staging
can be reached.
So all tests are working.
For your reference I am attaching the notes from the meeting about the
datacenter migration with Lance from OSUOSL.

Action item: *Virtualize osgeo6*

We have ready lists.staging.osgeo.org, Finished making tests from
containers that heavily use the mail server. Being the last test discourse
while making the update last night.
The list of all tests can be found here:
https://gitea.osgeo.org/sac/osgeo9/wiki/mailserver-container#test-mails
There are other services in osgeo7 and osgeo8, specially tracsvn that use
the mail server heavily. that one was not tested.

The final steps of this action would be:
- Shutdown osgeo5/backup (the mail server backup)
  - This can be done anytime as we are already running a backup on osgeo7
- On osgeo9: Make a final rsync with osgeo6
  - disable the cronjob
- On osgeo9: Add to sites-enabled lists.osgeo,org.conf
- On osgeo9: Change mm_cfg.py DEFAULT_EMAIL_HOST and DEFAULT_URL_HOST
- Change the DNS settings of lists.osgeo.org on Cloudflare
- If everything goes well
  - Final cleanup of cloudflare
  - on osgeo7: (osgeo6-buster) modify the cronjob to update from osgeo9
instead of osgeo6
- Otherwise:
  - Restore original configuration on cloudflare
  - Restore the cronjob
  - Restore the mm_cfg.py file

When to do this final step will depend on how do we tackle the physical
movement:

Hostname

Model

Migrate?

osgeo-backup (osgeo5)

Has only 4 cores and 16 GB ram

no

osgeo3

Dell R710

yes?

osgeo4

Dell R710

no?

osgeo6

Supermicro X10DRL-i

yes

osgeo7

Supermicro X11DDW-L

yes

osgeo8

HP DL360 G6

yes

osgeo9

HP DL360 G6

yes

We are only migrating: osgeo6, osgeo7, osgeo8 and osgeo9
but osgeo6 is going to be reformatted so we can use it for virtualization.
During the physical movement services on the moved machine will be shutdown.

My proposed way of doing the migration:
- Migrate osgeo9
  - this would keep alive tracsv
  - when turning back on the services will continue running normally
- Do the final steps, mentioned above,  for using the containerized mail
server on osgeo9
- Migrate osgeo7
- Migrate osgeo8
- Migration of osgeo6:
  - A new disk needs to be bought and installed
  - Lance will do us the favor of installing and formatting and initial
installation of operative system for virtualization
  - He can do on the current datacenter or the new datacenter
- Migrate contents of osgeo3 and osgeo4
  - staging can go directly to osgeo6
  - The rest we can decide where to put the conainers
- Shutdown osgeo3 and osgeo 4

Please let me know your comments

Regards
Vicky
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