Dell PowerVault 224F Manuel de l'utilisateur - Page 29
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Troubleshooting: Dell PowerVault 110T DLT VS160 Tape Drive User's Guide
not recognize the
drive.
The drive cannot
Cartridge or drive problem.
write data to or
read data from a
cartridge.
The drive is not
Network, cartridge, SCSI bus,
backing up data
backup data set, or backup
efficiently.
application problem.
The drive does
Timing or drive problem.
not eject a
cartridge.
file:///C|/Users/rishi_sood/Desktop/Temp/MissingDocsPosted/110t_dlt/UG/trouble.htm[3/8/2013 11:46:14 AM]
application. Also confirm that you have the proper device drivers, if
necessary, installed. See the Dell Support website at
to obtain the latest operating system drivers and/or firmware upgrades.
1. Make sure that the cartridge is write-enabled. Move the write-
protect switch to the write-enabled position. See
Write-Protect Switch on Tape Cartridges
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
Using the Tape Drive
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 daisy-
chained to another tape drive or to the hard drive being backed
up.
3. Clean the tape drive. See
Using the Tape Drive
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.
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
in
Using the Tape Drive
support.dell.com
in
Using the Tape
Cleaning the Tape Mechanism
for detailed instructions.
Cleaning the Tape Mechanism
for detailed instructions.
Unload/Eject Button Features
for detailed instructions.
Setting the
in
in