I have been pondering this for some time. There are pros and cons
either way (vtl vs SAD (serial-access disk).
VTL Pros:
- Works with LAN-free backups. SAD does not.
- Most of the newer VTLs either have data reduction technology, or
have it on their roadmap. By "data reduction" I refer to
dedu
Steven Harris wrote:
>
> Perhaps a little harsh Roger? Don't some VTLs implement tape hardware
> functionality that TSM can find difficult, I'm thinking of hardware
> compression in particular, but maybe encryption would be another.
Seems like LAN-free/server-free would be a lot easier with VTLs,
Perhaps a little harsh Roger? Don't some VTLs implement tape hardware
functionality that TSM can find difficult, I'm thinking of hardware
compression in particular, but maybe encryption would be another.
Regards
Steve
Steven Harris
AIX and TSM Admin Brisbane, Australia
Roger Deschner wrote:
In general, discouraged. What you want instead is big, native-mode RAID
arrays, configured as disks using devtype=file, not as virtual tapes.
You get a lot more flexibility and a lot less complexity, compared to a
VTL. TSM even does the backup-to-tape function better. (copy pools) The
VTL software
On Feb 5, 2007, at 9:14 PM, Gill, Geoffrey L. wrote:
Does anyone have a doc or a link to anything that discusses the pro's
and con's of a VTL?
VTLs and their merits have been heavily discussed in the past.
Search for "VTL" at http://www.mail-archive.com/adsm-l@vm.marist.edu/ .
onden: dinsdag 6 februari 2007 11:19
Aan: ADSM-L@VM.MARIST.EDU
Onderwerp: Re: VTL's (looking for info)
Geoff
The last time I posted an enquiry regarding VTL's, I received some info
from some people at Sepaton. I think that they subscribe to the list for
this purpose. It wasn't a hard sell o
Geoff
The last time I posted an enquiry regarding VTL's, I received some info
from some people at Sepaton. I think that they subscribe to the list for
this purpose. It wasn't a hard sell or anything like that, they just
asked if they could send me some literature and I accepted. The
literature was