bug#29675: databases should be created with chattr +C

[Ludovic Courtès]

Hello,

Danny Milosavljevic <address@hidden> skribis:

> On Tue, 12 Dec 2017 13:46:08 +0200
> Efraim Flashner <address@hidden> wrote:
>
>> We support running GuixSD on top of btrfs, and the prevailing wisdom is
>> to mark databases (sqlite, postgresql, etc.) as 'chattr +C', that is, as
>> not copy-on-write. It is honored under ext4, but it shouldn't cause any
>> changes.
>
> It sounds reasonable to do that - but I don't think that relational databases 
> are managed by the Guix store.  Rather they are in /var or in the home 
> directory.  Long story short, it would make sense for Postgres and Sqlite 
> upstream to do the chattr +C, if they don't already do it.

I agree.

Efraim, unless we have a specific example, I’m inclined to close it as
“not-a-bug”, with the understanding that it’s an upstream issue rather
than something GuixSD-specific.

How does that sound?

Ludo’.