SSC-2: write protection(s)

[BANTHER,MICHAEL (HP-UnitedKingdom,ex2)]

* From the T10 Reflector (t10 at t10.org), posted by:
* "BANTHER,MICHAEL (HP-UnitedKingdom,ex2)" <michael_banther at hp.com>
*
Hi Dave,

We don't know of any backup applications or drivers that use these write
protection mechanisms at present.

Cheers,
Michael

> -----Original Message-----
> From: Dave Peterson [mailto:dap at cisco.com]
> Sent: Monday, July 22, 2002 8:29 PM
> To: T10 Reflector
> Subject: SSC-2: write protection(s)
> 
> 
> * From the T10 Reflector (t10 at t10.org), posted by:
> * "Dave Peterson" <dap at cisco.com>
> *
> Howdy All,
> 
> This is a query to determine which flavors of write protection(s) are
> actually being used (or useful).
> 
> Software Write Protect - controlled from the Control mode 
> page (SPC-3) or
> the SWP bit in the Device Configuration mode page.
> 
> Associated Write Protect - controlled by the ASOCWP bit in the Device
> Configuration mode page.
> 
> Persistent Write Protect - controlled by the PERSWP bit in the Device
> Configuration mode page.
> 
> Permanent Write Protect - controlled by the PRMWP bit in the Device
> Configuration mode page.
> 
> 
> I believe Software, Persistent, and Permanent Write Protect 
> provide some
> use, but Associated is suspect.
> Note: Permanent requires vendor specific behavior to disable.
> 
> Thanks...dap
> 
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