PJ
ADSM.ORG Senior Member
I see - you compare VTL to physical tape rather than file.
PJ
PJ
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I was under the impression that Dedup wasn't available until v6 (current GA is 5.6) and that IP replication was even further down the road.I love to wrk with NETAPP VTL becos " DEDUP" /IP replication (new features)
@scott
Does that price include dedup and you're talking about something like 10TB physical disk? If not, I don't see how a VTL could come to the same pricepoint as the disks alone (it sure didn't in our case - but then our buying department is well known for its ruthless negotiating tactics ;-) )
That I'm not sure about... but you are probably right. We just started talking with Sepaton and all prices are still in the "we'll make it work" stage. But I know I can get 100TB of seta for our DS4800 for comparable to the VTL solution.
PJ
Btw. TSM never reads through sequential media to pick an object. It knows where it starts and skips to that position. Physical tape, VTL, sequential file - doesn't matter.
Can anybody tell me why 100TB VTL would be preferred over 100TB landing/primary pool? Costs seem to be fairly equal.
Another question I never really get a straight answer on is: Don't VTLs still read each virtual tape sequentially to get to the file they need to restore?
My $.02 on an old thread...
It is much easier to power and cool my 3584 tape library with 4 active drives at 30% usage, than having over 400 750GB SATA disks spinning 24x7.