[Info-vax] INIT/HIGHWATER

[Phillip Helbig---undress to reply]

In article <iil1g9$rob$1 at pcls6.std.com>, moroney at world.std.spaamtrap.com
(Michael Moroney) writes: 

> >How much of a performance hit is /HIGHWATER?
> 
> It just sets a bit in the drive metadata.

And this has no impact on performance?

> >What about /ERASE?
> 
> This writes zeroes (or the erase pattern if enabled) to every block on the 
> drive, expect it to take some time, the bigger the drive the longer.
> 
> If you want, you can do INIT/NOERASE and then $ SET VOLUME/ERASE if you
> want the Erase-on-Delete behavior but don't want to wait for every block
> to be erased.

Actually, I was thinking of this case, and the performance hit due to 
erase on delete.