Disk wiping: Difference between revisions

Latest revision as of 20:37, 15 May 2026

# ddrescue -f /dev/zero /dev/adaX

The average speed is above 100 MB/s, so 1 TB takes about 2-3 hours.

To wipe an Intel/Solidigm Data Center SSD by the Solidigm Storage Tool (on Linux):

The <index> can be found by using the command

# sst show --ssd

Delete all partitions and destroy the partitioning scheme
# gpart destroy -F adaX
Make sure the drive is not frozen and support "enhanced erase"
# camcontrol security adaX

Issue the ATA Secure Erase command
# camcontrol security adaX -U user -s Erase -h Erase

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 * To wipe an HDD by writing zeros to it:
+:<code>#  ddrescue -f /dev/zero /dev/adaX</code>
+:The average speed is above 100 MB/s, so 1 TB takes about 2-3 hours.
+* To wipe an Intel/Solidigm Data Center SSD by the [https://www.solidigm.com/support-page/drivers-downloads/ka-00085.html Solidigm Storage Tool] (on Linux):
+#Delete all partitions
+#<code># sst delete --ssd <index></code>
+::The <code><index></code> can be found by using the command
+::<code># sst show --ssd</code>
+* To wipe a SSD by the ATA Security Erase command:
+#Delete all partitions and destroy the partitioning scheme
+#:<code># gpart destroy -F adaX</code>
+#Make sure the drive is '''not frozen''' and support '''"enhanced erase"'''
+#:<code># camcontrol security adaX</code>
-<code># dd if=/dev/zero of=/dev/sdX iflag=nocache oflag=direct bs=4M</code>
+#Issue the ATA Secure Erase command
+#:<code># camcontrol security adaX -U user -s Erase -h Erase</code>
-The average speed is about 100 MB/s, so 1 TB takes about 3 hours.
+[[Category: FreeBSD]]
+[[Category: Linux]]
-To print transfer statistics (to stderr):
+[[Category: Hardware]]
-<code># killall -USR1 dd</code>
-* To wipe a SSD by the ATA Security Erase command
-[[Category: Debian GNU/Linux]]