Dell VS160 Dell PowerVault 110T DLT VS160 Tape Drive - User's Guide - Page 29

Troubleshooting: Dell PowerVault 110T DLT VS160 Tape Drive User's Guide not recognize the drive. application. Also confirm that you have the proper device drivers, if necessary, installed. See the Dell Support website at support.dell.com to obtain the latest operating system drivers and/or firmware upgrades. The drive cannot write data to or read data from a cartridge. Cartridge or drive problem. 1. Make sure that the cartridge is write-enabled. Move the writeprotect switch to the write-enabled position. See Setting the Write-Protect Switch on Tape Cartridges in Using the Tape Drive for detailed instructions. 2. If you are attempting to write data, make sure you are using a DLTtape VS1 cartridge. 3. Make sure that the cartridge has not been exposed to harsh environmental or electrical conditions and is not physically damaged in any way. 4. Many backup applications do not read or write to cartridges that were created using a different backup application. In this case, you may have to perform an erase, format, or label operation on the cartridge using your backup application. 5. Make sure you understand any data protection or overwrite protection schemes that your backup application may be using, any of which could prevent you from writing to a given cartridge. 6. Retry the operation with a different, known-good cartridge. 7. Clean the tape drive. See Cleaning the Tape Mechanism in Using the Tape Drive for detailed instructions. The drive is not backing up data efficiently. Network, cartridge, SCSI bus, backup data set, or backup application problem. 1. Check the network bandwidth from the host server. If you are backing up data over a network, compare to a local-only backup for relative backup speed indication. 2. Make sure that the drive is on its own SCSI bus and not daisychained to another tape drive or to the hard drive being backed up. 3. Clean the tape drive. See Cleaning the Tape Mechanism in Using the Tape Drive for detailed instructions. 4. Try a new cartridge. A marginal cartridge can cause performance problems due to bad spots on the tape requiring retries. 5. Make sure that the data is being compressed. See your backup application user documentation for details. 6. Check the size of the files in the backup set. Small file size can impact performance. 7. Confirm that the backup application is using block sizes of at least 32KB, and preferably 64KB. See your backup application user documentation for details. The drive does not eject a cartridge. Timing or drive problem. 1. Allow sufficient time for the drive to complete any operations, such as POST, reset, load, unload, rewind, etc. Worst case is when powering up or resetting the drive with the tape positioned at the physical end of the media. Recovery from this state could take several minutes. 2. Allow sufficient time for the backup application to release any hold it may have on the drive. Worst case could be several minutes. Confirm that the backup application is not set to prevent media removal. 3. Try a software eject, using your backup application, allowing sufficient time for the command to execute. 4. If the drive still does not eject the cartridge, power down the drive and remove all connectors except power from the rear of the tape drive. Apply power to the drive and allow it to complete POST. Press the Unload/Eject button, allowing sufficient time for the command to execute. See Unload/Eject Button Features in Using the Tape Drive for detailed instructions. file:///C|/Users/rishi_sood/Desktop/Temp/MissingDocsPosted/110t_dlt/UG/trouble.htm[3/8/2013 11:46:14 AM]