We currently have a server on our network being used for Backups of about 600 GB of data. Backup Exec 12.5 is being used. The server itself is a 1ghz, Pentium 3 with 512mb of RAM. Hard drives our being used as hot swaps for storage or as the media for backup exec. The hard drives are 1 TB. The server is using a dual gigabit NIC. The full backups start on Friday nights at 9pm. The backup will continue for about 50 hours and backup about 600 GB. The data rests on three different servers. This seems to be extremely long. Any Ideas as to why it is taking so long for the backups to run??
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The hot swappable hard drive enclosure is a T-7 Storm Series. It is all done through SATA. There is a PCI SATA controller card that connects to the internal enclosure. The hard drives being swapped are also SATA. The only other PCI cards in the system are a dual gigabit ethernet card and s SCSI controller card that is not currently being used.
Test your Disk throughput by copying large files from the server itself to your swappable disks (don't copy from the LAN to begin with). If that is slow you probably have an issue with either the HD's, the controller, it's driver, cables, or something installed on the server, like an AV utility, that scans the files while copying. If this is fast enough, do another copy test by copying over the LAN. Run a test with large files, and another with a lot of small files when copying over the LAN.
A 20 GB file was taken and put on an external hard drive. When the file was moved over from the external hard drive to the internal enclosure it was extremely slow. About 6.5 hours to move the file to the internal enclosure from the external. Then the file was moved through the LAN and it only took about ten minutes to go from where it lays on the server to the internal enclosure. It looks like the USB in the system is 1.1, so that explains why that was slow.
Loading media is where it tends to get stuck. It is currently in that state now from last Friday.
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by: rindiPosted on 2009-10-17 at 02:11:51ID: 25595312
I don't understand the exact configuration. What exactly are you backing up to? Are those 1 TB drives attached via USB? If yes, P-III's are pretty old and the mainboards used for that type of CPU were normally still using USB 1.1 and not USB 2.0 (actually I'm not aware of any P-III mainboards having built-in support for USB 2.0). USB 1.1 is very slow... If you have inserted a USB 2.0 PCI add-on card, it'll be faster, but also USB 2.0 isn't that fast.
If you aren't using USB for the HD connection, what interface are you using?