DLT Tape Devices

[augusto cossa]

Gents,

Is there anybody who can help on:
1 - which DLT Tape divece is faster to do backup and restore in combination with OMNIBACK II. Actualy I'm using DLT 4000 and HP-UX 10.20

Thanks,
Augusto

[Carlos Fernandez Riera · Accepted solution]

Newer tape drives should be faster..

DLT 7000 and DLT 8000. Both need Fast Wide SCSI interface.

[Animesh Chakraborty]

Hi,
We have upgraded out tape drive from dlt4500 to dlt8000.It is much faster.
see the link for more details:
http://www.products.storage.hp.com/eprise/main/storage/DisplayPages/summary.htm?DataPage=dlt8000

Thanks
Animesh

[Alexander M. Ermes]

Hi there.
Take a DLT 8000. The DLT 4000 has a thruput of max. 11 GB/hr, the DLT 8000 goes for 36 GB /hr maximum ( average 30 - 33 ). You have to install a separate interface for each drive.
Rgds
Alexander M. Ermes

[augusto cossa]

I would like to assign point to you all but on the screen is unassign activated.

[Michael Duthie]

If you go for a DLT8000 make sure you have a spare FW HSC or PCI card. They are not supported on HPPB.

[Xavier Gutierrez]

DLT8K are not always FW SCSI. I've seen DLT8K drives with LVD SCSI interfaces on galactica class DLT libraries.

Be aware also that you can read cartridges recorded with your DLT4K with DLT 7K & 8K but not the other way (because of head positioning when recording in 7k & 8k mode).

Also note that when using DLT 4k you can "daisy chain" two of them but this is not supported in 7k or 8k because of performance problems and SCSI bus resets.

Also consider LTO drives (up to 200 Gb). The odd point is that DLT and LTO cartridges are incompatible (phisically different).

Best regards,

Xavi