On 02/20/2013 05:01 PM, Chris Murphy wrote:
On Feb 20, 2013, at 12:42 PM, Digimer <lists@xxxxxxxxxx> wrote:
b) I 0'ed out the entire drive (over USB from F18 on my older SSD) before reinstalling F18 on the Samsung.
FYI this isn't a good idea with SSDs. Use ATA Secure Erase instead with hdparm, or the included Windows utility can do this - it almost always requires a direct SATA connection because most of the USB to SATA bridge chipsets are crap and don't pass through these ATA commands.
What mount options are you using? In particular do you have discard enabled?
Chris Murphy
Currently, as the OS disk, it mounts on boot with the default values set
by Fedora;
==] /etc/fstab [============
/dev/mapper/luks-bd252fe0-a16f-4a14-ad4e-b99a0d4c0716 /
ext4 defaults,x-systemd.device-timeout=0 1 1
UUID=eca11946-68d8-444c-90f2-ad65455caf6d /boot ext4
defaults 1 2
============================
Thanks for the tips on secure erase. I'll use that in the future.
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Digimer
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