Tandberg Data SDLT 600 - Manual (Page 47)

SDLT 600 Product Manual Chapter 3: SDLT 600 Tape Drive Specifications
81-81184-02 REV A01 March 2004 3-19
3.4.4 Backward-Read Compatibility Transfer Rates
The SDLT 600 tape drive system features a backward-read compatibility (BRC) mode. When in BRC
mode, the SDLT 600 tape drive is capable of reading SDLT 220 and SDLT 320 tape formats in a
Super DLTtape I data cartridge, as well as the DLT VS160 tape format in the DLTtape VS1 data
cartridge.
Table 3-24 lists the BRC transfer rates for the SDLT 600 tape drive.
N OTE : SDLT 600 tape drive will eject a data cartridge written in DLT formats
other than DLT VS160.
Table 3-24. SDLT 600 Tape Drive Backward-Read Compatibility (BRC) Transfer Rates
Format Data Cartridge Type Native Capacity BRC Transfer Rate (80% of
Native Read Transfer Rate)*
SDLT 320 Tape Drive Super DLTtape I 160 GB 12.8 MB/sec**
SDLT 220 Tape Drive Super DLTtape I 110 GB 8.8 MB/sec**
DLT VS160 Tape Drive DLTtape VS1 80 GB 6.4 MB/sec**
* The manufacturer strives to operate BRC transfer rate at 100% of native read transfer rate, but guarantees 80%.
** Transfer rates shown are nominal based on 80% of actual native read transfer rate of uncompressed data.