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I cannot create a device, A deleted device keeps reappearing, If backup is slow – HP D2D100 Backup System User Manual

Page 110: Cartridge troubleshooting, I cannot resize cartridges, I cannot see a newly created device

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If it is accessible, there is a problem with the backup application. Certain backup applications

require you to use their own drivers for both the tape device and medium changer. If this is

the case, you must install the backup application drivers manually after the Installation wizard

has completed.

Make sure that the iSCSI initiator is connected to the devices and log on to them, if they are

not. See

Targets tab

” on page 49

If it is not accessible, rerun Discovery.

I cannot create a device

The HP D2D Backup System supports a maximum of six devices.

I cannot see a newly created device

When you create a new device on the HP D2D Backup System, the host will not be able to see the device

until you connect manually to it using the iSCSI Initiator. See

Advanced installation

” on page 45

for more information.
If you still cannot see the device, check Device Manager to make sure it is visible from the host.

I cannot see additional slots from the backup application

When you create additional slots for an autoloader on the HP D2D Backup System, you may need to

restart services on the backup application so that it can see the new slots.

A deleted device keeps reappearing

When you create a device with the Installation wizard it is always configured as a Persistent Target

on the host. This means that the connection will automatically be restarted each time the host logs

on to the HP D2D Backup System. To delete the connection, use the iSCSI Initiator as described in

Persistent Targets tab

” on page 50.

If backup is slow

Are you connecting to a 10/100Base-T port? 100 Base-T will limit performance; 10 Base-T will severely

limit performance.
Check that other network traffic is not too heavy. Congested networks will slow performance, even

on Gigabit.
Check the backup application. If you are backing up a client of a backup server, the bottleneck may be

in the backup server.
Ensure that the host being backed up is not in use at the time of backup.

Cartridge troubleshooting

Cannot resize cartridges

My tape drive has run out of space

My physical tape drive has a smaller capacity than the cartridge size on the HP D2D Backup

System

I cannot resize cartridges

The only time you can resize cartridges is when you first create an autoloader or add slots and they are

blank. Once the cartridges are made available to the backup application, it formats them ready for use

and they are no longer blank, even if you have not yet written data to them. Similarly, the erase function

on most backup applications does not return the cartridge to a blank state.

110

Troubleshooting