Backup Exec 10d Poor Performance Issue
I have a Windows Server 2003 machine that has BE 10d installed on it. It is version 10.1, revision 5629 (service pack 3). The server ran great for years but lately it is having a serious performance issue and I have tried to resolve but haven't gotten very far. I am hoping that this forum can help.
It worked great for years but now it is taking almost a week to do a full backup where it used to take a couple of hours. I do all of my backup to removable hard drives. On Friday morning I switch out the hard drive and take the latest copy home for safe keeping. Friday night at 8:00 the full backup runs. At 8:00 on all other nights an incremental backup is run. The backup is configured to backup my file shares, exchange stores and sharepoint databases. I also verify the backups.
About six months ago I noticed that it was taking longer and longer for the backups to complete. I used to use an external removable hard drive with a USB2 interface. I thought that a higher capacity connection would help so I puchased a SATA drive enclosure. I moved about 150GB off the main drive array to an archive drive and cleaned up a bunch of files. The first time that I ran the backup it was noticably faster (about a day and a half). Each week since it has gotten worse and worse tothe point where it is taking over a week to backup the files. I thought that I might have a locked file program so last week I rebooted the server before starting the backup. This week took longer than the week before. I also checked the throughput of the external drives. I was able to copy 138GB of data files from the main drive array (3 500MB SATA drives with a RAID 5 configuration) in a little under 70 minutes (~33MB/sec). I am getting about 1.3MB/sec from my backup.
I checked the job history and a vast majority of the job time is spent backing up the data files (last week it took 150 hours to backup 476 GB of data). The exchange, sharepoint and verify is taking very little time. I am getting to a point where I might just write a little script to do a file copy as it is now taking over a week for the backup to run.
Any ideas for how to resolve this issue?