[ucc-announce] Downtime Saturday 12/2/11

[Bob Adamson]

Hi All,

You may be aware that the club recently purchased a new server to upgrade 
and replace our ageing main user server, martello. The new server is 
called motsugo and is a dual Intel E6550 Xeon with 12GB RAM and around 
5TB of redundant storage.

This Saturday the 12th at 3pm, Wheel will be moving user home directories 
from martello to motsugo and (hopefully) opening motsugo to member logins. 
Martello will still be available with home directories after the move, and 
will be running concurrently with motsugo for at least a month.

The move should be able to be completed without having to kick all users 
off martello, however home directories will be read-only for at least an 
hour. Anyone with open handles to /home and /scratch will have their 
processes killed; that means you should:

Before the move:
-close or stop all ucc email clients
-not have any terminals open in the /home and /scratch directories
-not have any files open that are in your home directory
-stop any scheduled jobs that run on /home or write to your home directory (cron or otherwise) 
-stop all processes that log to your home directory (eg irc logging) 
-stop any version control systems running in your home dir (eg monotone) 
-THE ABOVE APPLIES TO ALL SERVERS THAT USE /HOME (mussel, mermaid, martello, manduba, mylah, mooneye, dagon) 
-users of martello's /scratch should redirect their exploits to 
motsugo.ucc.gu.uwa.edu.au in the long term. In the short term, 
/scratch will be nfs exported from motsugo back to martello.

During the move:
-mail delivery will be paused and will queue until /home is restored on motsugo.
-dispense and door services will be offline
-ucc git and cvs repo's will be read only
-member websites will be unavailable for a short time
-you will not be able to write to your home directory!

After move:
Keep an eye on http://twitter.com/ucc_status for announcements

Please note that motsugo has manbo's old IP address, so you may get a 
warning if you have ssh-ed to manbo before.

Andrew (Bob) Adamson
UCC Wheel Member and Treasurer

|"Bureaucracy is a challenge to the be conquered with a righteous        |
|attitude, an intolerance for stupidity, and a bulldozer when necessary" |
| ---Peter's Laws                                                        |