All,

I have 2 Exchange 2003 servers, both running Server 2003 SP2.  I will have to admit I don't know much about the 2003 exchange setup, but I was told that they are on the latest patches for Exchange.  Both servers are SAN Media servers and backup to a tape drive via SSO.  The Silo is a L700E with 9940B tape drives.  The Disk space is actually EMC drives via a Disk SAN.  The backup is a Full backup every night.

Here is the issue… the backup doesn't run very fast at least I don't think so.

Six months ago, we had Veritas come in and look at them and help speed them up.  We did 2 things;  One we set limits on the mailboxes of people so the overall size of the information stores when down from 1.2TB to 705GB.  Two, we changed the backups to backup each of the 4 information stores at the same time and multiplex them.

1st Exchange Server:  (Total 81.4GB per hour)
SG1     Mail            20.3GB per hour
SG2     Mail            20.5GB per hour
SG3     Mail            20.1GB per hour
SG4     Public Folder   20.5GB per hour

2nd Exchange Server: (Total 82.6GB per hour)
SG1     Mail            19.5GB per hour
SG2     Mail            19.9GB per hour
SG3     Mail            19.4GB per hour
SG4     Mail            23.8GB per hour

Since that translates to about 22.5MB per second on tape drives that should be able to do about 60MB.  I have a couple Windows 2003 server backups over the network that are doing 35MB per second!

So, does anybody get about the same performance? Better?  Any ideas about things to look at?

Kevin Whittaker
Syniverse Technologies
Systems Engineer - UNIX Admin
Work: (813) 637-5502
Cell: (813) 810-6456

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