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From: Richard Hughes <hughsient@gmail.com>
To: Leonidas Spyropoulos <artafinde@gmail.com>
Cc: Hugo Mills <hugo@carfax.org.uk>, linux-btrfs@vger.kernel.org
Subject: Re: Naming of subvolumes
Date: Thu, 25 Oct 2012 16:16:18 +0100	[thread overview]
Message-ID: <1351178178.1923.12.camel@hughsie-work.lan> (raw)
In-Reply-To: <CAAeznTr6AvqbJ+WOw6S5kyW2_qbSUQgJfAO88m9KdV+3PyGUcw@mail.gmail.com>

On Thu, 2012-10-25 at 16:09 +0100, Leonidas Spyropoulos wrote:
> On another note. How would you implement that logic (make a snapshot
> before upgrade) without the lib? Would you wrap package manager into a
> wrapper or patch package manager to call snapshot and the upgrade.
> In both cases you will need to parse stdout, stderr from the snapshot
> creation.

I'm intending to add the snapshot stuff in the logic described here:
https://gitorious.org/packagekit/packagekit/blobs/master/contrib/systemd-updates/README.txt

> Also would you automatically roll back to before snapshot if something
> goes wrong or give option to user? Can you categorise errors on
> upgrades according ti fatality to the system?

If *anything* in the upgrade fails and we've already started the package
transaction then we'd roll back to the previous known-good snapshot.

Richard.


  parent reply	other threads:[~2012-10-25 15:13 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-10-25 12:30 Naming of subvolumes Richard Hughes
2012-10-25 13:18 ` anand jain
2012-10-25 13:28 ` Hugo Mills
2012-10-25 13:44   ` Richard Hughes
     [not found]     ` <CAAeznTr6AvqbJ+WOw6S5kyW2_qbSUQgJfAO88m9KdV+3PyGUcw@mail.gmail.com>
2012-10-25 15:16       ` Richard Hughes [this message]
2012-10-25 15:59         ` Calvin Walton
2012-10-25 17:19           ` Richard Hughes
2012-10-26  5:24 ` Chris Murphy
2012-10-26  8:27   ` Richard Hughes
2012-10-26 15:54     ` Chris Murphy
2012-10-27  1:58       ` cwillu
2012-10-27  3:03         ` Fajar A. Nugraha
2012-10-27 17:22           ` Naming of (bootable) subvolumes Chris Murphy
2012-10-28  9:25             ` Goffredo Baroncelli
2012-10-28 16:57               ` Chris Murphy
2012-10-28  9:38             ` Fajar A. Nugraha
2012-10-27 16:08         ` Naming of subvolumes Chris Murphy

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