[haiku-sysadmin] Re: Migrating dev.haiku-os.org [edition 3 I think]
- From: Urias McCullough <umccullough@xxxxxxxxx>
- To: haiku-sysadmin@xxxxxxxxxxxxx
- Date: Wed, 14 Oct 2009 13:39:45 -0700
On Wed, Oct 14, 2009 at 1:06 PM, Niels Reedijk <niels.reedijk@xxxxxxxxx> wrote:
> The issue is the backup procedure. The postgresql documents explicitly
> say it is not a good idea to copy a running data directory [1].
> Furthermore, Trac also likes to keep an internal consistency. Now the
> irony is of course that it is very hard to get a synchronized backup
> of both the database and the trac dir, but I have written a backup
> script that first dumps the database and then the trac dir. The
> rationale being that when for example an attachment is made during the
> database backup, it would not be a problem during restore because it
> will only mean that there is a stale file in the trac dir. The other
> way around, so if the trac dir is backed up before the database, there
> would be a database reference to a non-existing file. The first one
> just felt less ... dangerous to me.
I think it sounds reasonable to backup the db first. Would it be
feasible to temporarily take Trac offline during the backup (I assume
it only takes a few minutes) or would that be too risky?
- Urias
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