jallman Posted April 9, 2003 Report Share Posted April 9, 2003 I have a few questions. 1.) Is there any way to optimize throughput to a tape drive. The DLT Tape drive that we are using is supposed to AVERAGE 477MB/Min Throughput rate, we are usually getting less than 400 when using retrospect to backup a local hard drive to the local Tape drive. There is nothing else on the SCSI bus with the exception of the robot arm. The Disks we are backing up from are UltraATA 133 IDE Drives. 2.) Is there any way to optimize the verify process when backing up from tape so it doesn't take as long or longer than the actually backup process? Link to comment Share on other sites More sharing options...
AmyJ Posted April 22, 2003 Report Share Posted April 22, 2003 * Check for updated drivers and firmware for the SCSI card * Check for updated firmware for the tape drive * Make sure your SCSI card pin configuration matches your device. If your device is 50 pin, use a 50 pin, if your device is HD 68 pin, use a High Density 68 pin card, etc. * Check for degfragmentation on the source drive * Try multiple tapes * Clean the tape heads * Type of data - lots of small files tranfers much slower then standard or large files (eg: html, jpeg, etc.) * Termination * Try a different computer Retrospect is going to transfer the data as fast as the slowest component. The key is to find the bottleneck. Keep in mind that the average does not guarantee that you are going to see those speeds. Those numbers may be reported based on testing in a controlled lab environment. Link to comment Share on other sites More sharing options...
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