Hi, Am 11.04.2011 16:26, schrieb Neal Becker: > What filesystem should I use? Go for btrfs? 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. 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 :(. However encryption is the only way to make sure to give no sensible information away when selling the drive later on, because you have no clue what the controller is actually doing ;). As some flash cells will get replaced automatically during the lifetime of your drive you can't make sure that they are also properly deleted. Some models offer the possibility to reset the whole drive using ATA commands, but once again you have to trust the manufacturer to have done everything right. Another important thing is to mount your partitions with the "noatime" parameter when you don't depend on it. In order to update these few bits the SSD will erase whole groups of cells for each file (when there is no buffer involved) so you can shorten the expected lifetime easily by a huge factor ;). Best regards, Karol Babioch
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