@Tahoe
No no no, low level format is perfectly acceptable on a SCSI drive!
No it's not. Not anymore. In fact, no modern SCSI device allow you to low level format anyway.
It is one big misconception you could "kill" a drive using lowlevel format. In the early days some IDE drives did not like it. (on Amiga systems only!!)
If you lose power (or manually power off/reboot) while the low level format is in progress you can nuke the drive, permanently. Obviously this is no concern for modern drives that ignore the low level format command altogether.
Here is a snippet for the scsifaq:
...blabla...
You did notice that it's from september 1998? That is over 7 years old, outdated information.
See
PC Guide: Low-Level Formatting