[Labs-l] Labs project migration *Important, deadlines approaching*

[Moritz Schubotz]

Hi Andrew,

sorry for not working on the migration, but I was quite busy these days.
None of the servers in the cluster containts somehting really imortant. And
I want to use this chance for a fresh start...
However, I think I can manage it before Friday... Do you know if other
projects are use vagrant instances as well? Mabye they figured out how to
solve the perfomance problems we ran into.

Best
Moritz


On Tue, Mar 25, 2014 at 2:29 AM, Andrew Bogott <abogott at wikimedia.org>wrote:

>     We've had a few hiccups, but project migration is going reasonably
> well.  You can check on the current migration status of a project here:
>
> https://wikitech.wikimedia.org/wiki/Labs_Eqiad_Migration/Progress
>
>     About 20 or so projects are still in the 'pending' section up top.  If
> your project is among them, please finish up and file your project entry in
> the appropriate section (presumably, 'Finished migration').  I don't have
> any open migration bugs in bugzilla, so if you are waiting for me to help
> with something, I don't know about it.  Please contact me immediately if
> you still need migration help from me.
>
>
> Friday Deadline
>
>     On Friday I'll be shutting down all pmtpa instances.  They won't be
> immediately deleted, but they will become inaccessible, and wikitech will
> no longer display an interface for pmtpa.  DNS for the old bastions (e.g.
> bastion.wikimedia.org) will be changed to point to bastions in eqiad.
>
> Shared Storage copies from pmtpa
>
>     I've copied the shared data from /home and /data/project in every
> project to eqiad.  Copies of this data can be found filed away in each
> project's new shared directories.  If you browse to /data/project or /home
> in your new eqiad instance you will see two directories, "glustercopy" and
> "pmtpa_nfs_copy".  These dirs contain backups of the shared gluster and nfs
> data from pmtpa.  Note, however, that these copies were made at
> unpredictable times during the last couple of weeks.  If you require a
> live, up-to-date copy of your data, please file a bug so that I know to
> re-sync the data after pmtpa instances are fully shut off.
>
> Next steps, coming weeks
>
>     After pmtpa instances are shut down, I'll wait a few days for the dust
> to settle and to listen for surprised shouts of alarm from folks who
> haven't been following this list.
>     I will also migrate wikitech from virt0 (the pmtpa web host) to
> virt1000 (the equivalent host in eqiad.)  This will entail a small amount
> of downtime, to be announced in a future email.
>     Sometime after the first of the month (that's next Tuesday) we will
> start shutting down pmtpa in earnest -- powering off machines, wiping
> drives, packing servers into crates, etc.  Anything that's left in pmtpa by
> then will be truly lost for good.
>
> Next steps, coming months
>
>     The mothballed projects are currently on long-term probation. In a few
> months I'll review the list and determine which projects remain entirely
> untouched.  Projects that seem fully abandoned will be wiped from eqiad as
> well, and their resources returned to the pool for use by new projects.  I
> will, of course, provide a further series of announcements and warnings
> before anything of this nature happens.
>
>
> Thank you all for your patience and assistance during this difficult
> process!
>
> -Andrew
>
>
>
>
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>



-- 
Mit freundlichen Grüßen
Moritz Schubotz

  Telefon (Büro):  +49 30 314 22784
  Telefon (Privat):+49 30 488 27330
  E-Mail: schubotz at itp.physik.tu-berlin.de
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  Msn: Moritz at Schubotz.de
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