Re: What filesystem for ssd? (f15)

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On 04/11/2011 08:19 AM, Karol Babioch wrote:
> I would recommend ext4 as btrfs still isn't marked as stable. Although
> there are no bigger bugs to be expected anymore I would trust it in an
> production environment. Furthermore it will be possible to convert ext4
> into btrfs without bigger problems.

Actually, it's not bugs in btrfs as much as absence of fsck. Power off 
the laptop in the middle of an operation and your filesystem is 
irrecoverable -- happened to my test setup.


> I'm also using ext4 on top of an encrypted lvm setup. Unfortunately
> dm-crypt doesn't have the discard feature implemented yet, so the trim
> feature of my SSD doesn't get utilized :(.

It might never get implemented, since encryption is supposed to hide 
everything, including information about empty sectors -- otherwise, 
attacks can be devised to recover some data.


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