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12-11-2008 04:00 PM
12-11-2008 04:00 PM
LTO Ultrium 448, HP LTO2 and linux
Dear support team,
My firm bought a HP StorageWorks LTO Ultrium 448 Tape Drive with HP LTO2 tapes. I would use the device and the tape with our debian linux servers. It seems to me that the backup proceudre is to slow. What is the correct density code or dencity definition for my tape cartridge ? The mt progs show me the followings:
Some SCSI tape density codes:
code explanation
0x00 default
0x01 NRZI (800 bpi)
0x02 PE (1600 bpi)
0x03 GCR (6250 bpi)
0x05 QIC-45/60 (GCR, 8000 bpi)
0x06 PE (3200 bpi)
0x07 IMFM (6400 bpi)
0x08 GCR (8000 bpi)
0x09 GCR (37871 bpi)
0x0a MFM (6667 bpi)
0x0b PE (1600 bpi)
0x0c GCR (12960 bpi)
0x0d GCR (25380 bpi)
0x0f QIC-120 (GCR 10000 bpi)
0x10 QIC-150/250 (GCR 10000 bpi)
0x11 QIC-320/525 (GCR 16000 bpi)
0x12 QIC-1350 (RLL 51667 bpi)
0x13 DDS (61000 bpi)
0x14 EXB-8200 (RLL 43245 bpi)
0x15 EXB-8500 (RLL 45434 bpi)
0x16 MFM 10000 bpi
0x17 MFM 42500 bpi
0x18 MFM 42500 bpi, 56 track pairs
0x19 DLTtape III/DLTtape IIIxt (62500 bpi)
0x1a DLTtape IV (81633 bpi)
0x22 SLR4DC
0x24 DDS-2
0x45 QIC-3095
0x80 DLTtape III/DLTtape IIIxt (62500 bpi)
0x81 DLTtape III/DLTtape IIIxt compressed (62500 bpi)
0x82 DLTtape IV 4000 uncompressed (20GB)
0x83 DLTtape IV 4000 compressed (40GB)
0x84 DLTtape IV 7000 uncompressed (35GB)
0x85 DLTtape IV 7000 compressed (70GB)
0x88 DLTtape IV 8000 uncompressed (40GB)
0x89 DLTtape IV 8000 compressed (80GB)
0x8c EXB-8505 compressed
0x90 EXB-8205 compressed
Best Regards,
Szabolcs Toth
My firm bought a HP StorageWorks LTO Ultrium 448 Tape Drive with HP LTO2 tapes. I would use the device and the tape with our debian linux servers. It seems to me that the backup proceudre is to slow. What is the correct density code or dencity definition for my tape cartridge ? The mt progs show me the followings:
Some SCSI tape density codes:
code explanation
0x00 default
0x01 NRZI (800 bpi)
0x02 PE (1600 bpi)
0x03 GCR (6250 bpi)
0x05 QIC-45/60 (GCR, 8000 bpi)
0x06 PE (3200 bpi)
0x07 IMFM (6400 bpi)
0x08 GCR (8000 bpi)
0x09 GCR (37871 bpi)
0x0a MFM (6667 bpi)
0x0b PE (1600 bpi)
0x0c GCR (12960 bpi)
0x0d GCR (25380 bpi)
0x0f QIC-120 (GCR 10000 bpi)
0x10 QIC-150/250 (GCR 10000 bpi)
0x11 QIC-320/525 (GCR 16000 bpi)
0x12 QIC-1350 (RLL 51667 bpi)
0x13 DDS (61000 bpi)
0x14 EXB-8200 (RLL 43245 bpi)
0x15 EXB-8500 (RLL 45434 bpi)
0x16 MFM 10000 bpi
0x17 MFM 42500 bpi
0x18 MFM 42500 bpi, 56 track pairs
0x19 DLTtape III/DLTtape IIIxt (62500 bpi)
0x1a DLTtape IV (81633 bpi)
0x22 SLR4DC
0x24 DDS-2
0x45 QIC-3095
0x80 DLTtape III/DLTtape IIIxt (62500 bpi)
0x81 DLTtape III/DLTtape IIIxt compressed (62500 bpi)
0x82 DLTtape IV 4000 uncompressed (20GB)
0x83 DLTtape IV 4000 compressed (40GB)
0x84 DLTtape IV 7000 uncompressed (35GB)
0x85 DLTtape IV 7000 compressed (70GB)
0x88 DLTtape IV 8000 uncompressed (40GB)
0x89 DLTtape IV 8000 compressed (80GB)
0x8c EXB-8505 compressed
0x90 EXB-8205 compressed
Best Regards,
Szabolcs Toth
The opinions expressed above are the personal opinions of the authors, not of Hewlett Packard Enterprise. By using this site, you accept the Terms of Use and Rules of Participation.
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