Bootable Linux USB stick: Difference between revisions

Bootable Linux USB stick (edit)

1 byte added , 30 March 2016

1,330

edits

@@ Line 145: / Line 145: @@
 <code>hdparm</code>'s (ENHANCED) SECURITY ERASE initializes the whole stick in 12.5 seconds - I checked the result.
-All other methods, like the <code>fstrim</code> command and the <code>discard</code> mount option '''do not work for USB sticks''', presumably because the usb-storage kernel module does not pass the ATA trim command through the USB bridge and controller to the device. The same goes for [http://unix.stackexchange.com/questions/97143/utility-to-trim-unallocated-space-on-drive <code>blkdiscard</code>]. The <code>wiper.sh</code> script (which is part of <code>hdparm</code>) gives no error message, but does not reproducibly fill the empty space of the filesystem with zeroes (it sometimes does).
+The <code>wiper.sh</code> script (which is part of <code>hdparm</code>) gives no error message, but does not reproducibly fill the empty space of the filesystem with zeroes (it sometimes does).
+All other methods, like the <code>fstrim</code> command and the <code>discard</code> mount option '''do not work for USB sticks''', presumably because the usb-storage kernel module does not pass the ATA trim command through the USB bridge and controller to the device. The same goes for [http://unix.stackexchange.com/questions/97143/utility-to-trim-unallocated-space-on-drive <code>blkdiscard</code>].