Re: Journalling filesystems

[Marco Gerards]

Ludovic Courtès <ludo@chbouib.org> writes:

> Today, 3 hours, 44 minutes, 10 seconds ago, Marcus Brinkmann wrote:
>> I also have the feeling that there are other designs that can provide
>> an alternative or supplement to this (mmh, persistence?
>> check-pointing?  Versioning?)
>
> Yes, persistence (ie. application and kernel state checkpointing and
> rollback operations) is, in my opinion, one of the coolest things since
> sliced bread.  ;-)  Linux 2.6 actually has so-called "software suspend"
> which is exactly that.

How does "software suspend" save you from a crash?  Same for those
other features mentioned?  I am not that familiar with it.

--
Marco