Erasing a Disk Using SED Erase SED Erase erases all of the data on a locked or unlocked SED disk and removes the encryption password. Go to Storage & Snapshots > Storage > Disks/VJBOD. Select a SED disk. Click Actions, and then select SED Erase. The SED Erase window opens. Enter the disk's Physical Security ID (PSID). Tip: The PSID can usually be found on the disk label. If you cannot find the PSID, contact the disk manufacturer. Click Apply.