> We currently have over 180 TB of data sitting on 3590 tapes, we have 2
> onsite 3494 ATL's 48 drives total, and 1 offsite (17 miles away) 3494
> ATL with 24 drives connected by dark fibre (all of the details escape me
> right now).  We primarily run our over 800 server classed client backups
> to diskpools nightly (2 TB worth), however, for our larger files
> (Exchange, SQL) we utilize the dual write feature and write about 1 TB
> of data to both locations simultaneously actually faster than we could
> to disk.  Now, before everyone starts to reply with all the possible
> disadvantages to this, trust me, we have taken those into consideration,
> and that is why we don't back everything up to tape directly.
>


What is the dual write feature?

--snip--

thanks and God bless,

sal