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Old 5 Dec 2007, 01:33 PM   #1
brong
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New Backup System finished

(also posted to the technical blog)

I've just finished the final component of the conversion of the backup system - a new restore utility.

There were a couple of problems with the old restore utility, stemming from its design of just copying the messages back into the folder and reconstructing to make them "appear" - it didn't work safely with some IMAP clients, it didn't work safely with replication and there was a possibility that you could delete messages that were already there if you forced the restore to overwrite what was there.

Oh - and a restore could easily push you over quota if you were near the edge as well.



So - the new restore system is much simpler and safer for all cases, though it involves a little more manual work:

- the admin at our end selects which folders to restore
- the backup system does its magic and a brand new folder tree appears at:

RESTORED.username.YYYYMMDDTHHMMSS

Where "username" is the localpart of your login name, and YYYYMMDDTHHMMSS is a timestamp in year, month, day, hour, minute, second format with a 'T' in the middle.

This folder will be deleted automatically one week later. It doesn't count towards your quota usage during that time, though any emails copied out to a normal folder will of course count as usual.

This was the last component to having a really robust backup and restore system, and I'm very happy to have finished it
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Old 5 Dec 2007, 01:46 PM   #2
ewal
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Bron

Sounds good. I have never had to have a restore, but it is good to know that this robust backup/restore process is in place - for the day I need it.

This question will come up, no doubt, so I will ask it up front. How far back in time will the backups be for? Currently it is for 7 days right?

cheers
Ed
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Old 5 Dec 2007, 06:43 PM   #3
Merovingian
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Great job, Bron.
This is a great feature. Very robust system, indeed.
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Old 5 Dec 2007, 09:52 PM   #4
mvpittman
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Nice job... on to the next enhancement.
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Old 5 Dec 2007, 11:54 PM   #5
Chipper
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Originally Posted by mvpittman View Post
Nice job... on to the next enhancement.
OK -- I'll take the bait.



Quote:
Originally Posted by mvpittman View Post
the next enhancement.
calendar
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Old 6 Dec 2007, 12:15 AM   #6
zhak
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Originally Posted by Chipper View Post
OK -- I'll take the bait.

calendar
Nah, threading (optional).
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Old 6 Dec 2007, 12:19 AM   #7
mvpittman
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OK -- I'll take the bait.
calendar
Heh, RSS to e-mail integration? Addressbook syncronization? Oh, yeah, more bandwidth and storage too.
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Old 6 Dec 2007, 12:20 AM   #8
Daniel S
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Nah, threading (optional).
No; replication. (Replicate Bron!)
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Old 6 Dec 2007, 04:45 AM   #9
Merovingian
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No; replication. (Replicate Bron!)
Great idea!!

and if not.......the new interface!!!
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Old 6 Dec 2007, 07:15 AM   #10
brong
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According to my little checklist it's the new authentication scheme.

That said, I had someone email me the other day about CalDAV support in Net:AV::Server - specifically he's interested in adding it. Well, you don't say no to offers like that
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