They wouldn't let you do an onsite demo? My Austin area rep had no
problem with it. I am nearing the end of my POC with them and some other
vendors. They have been very helpful in proving that their software will
do what they say it will. You should push them on that one. But to
answer you question, it will pause and resume a job on request or on the
fly if a restore is started and there are no drives available to do the
restore. Restores have priority over backups so the backup is paused,
tape ejected, restore tape inserted and read, then the backup tape is
reinserted and the backup job continues from where it left off. Very
cool. 

Regards, 
Dave

-----Original Message-----
From: Jeremy Young [mailto:[EMAIL PROTECTED] 
Sent: Thursday, March 13, 2008 2:41 PM
To: NT System Admin Issues
Subject: Commvault resumability question

I just attended a Commvault demo yesterday at their Oceanport HQ 
yesterday and had a chance to go over a lot of their features.  So far 
I'm very happy with what I've seen.  Not having an in house demo install

(something they are very reluctant to give us) is a sticking point so I 
need to reach out to others for practical feedback.

They talk about their ability to resume backups based on checkpoints of 
data blocks already processed to tape (or another location).  This is 
something that would really matter to me.  For one thing I wouldn't need

to purchase a spare tape drive that sits idle waiting for restore 
operations like I currently have and would have to buy in my new 
library.  Since restores are a higher priority the backup or duplication

job would pause, the tape being written to would eject, the restore tape

would load and run and then the previous operation would start where it 
left off.

I questioned Commvault heavily about this feature and they swear it 
works as advertised.  I've since had an external source say that it kind

of works but not nearly as well as Commvault claims.  Who has experience

with this feature and what are your thoughts on it?

- Jer

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