Exabyte EXB-8205 Betriebsanleitung PDF herunterladen (Seite 88)

1. Load a tape into the EXB-8505, or rewind the current tape to the

logical beginning of tape (LBOT). The tape must be positioned

at LBOT or at the logical beginning of a partition (LBOP) before

you can format the tape with new partitions.

2. Make sure that the EXB-8505 is set to write in 8500c format. If

necessary, issue a MODE SELECT command with the Density

Code in the Block Descriptor set to 8Ch.

3. Issue a MODE SELECT command and specify page format

(PF=1). Specify the following parameters for the partitions in

the long form of the Medium Partition Page (Page Code=11h).

For Additional Partitions Defined, specify 01h to indicate

that you want one partition in addition to the original

partition.

Set FDP (Fixed Data Partitions), SDP (Select Data

Partitions), or IDP (Initiator Defined Partitions) to 1

depending on how you want the size of the first partition on

the tape to be determined. (Note that you can set only one

of these fields.)

If FDP=1, the first partition will encompass the entire tape,

resulting in a single-partition tape. If SDP=1, the first

partition will be a size that is predefined by the EXB-8505. If

IDP=1, the first partition will be a size you specify.

If you have chosen to define the first partition’s size yourself

(you set IDP to 1), use PSUM (Partition Size Unit of

Measure) to specify the units of measure you will use to

specify the size (bytes, KBytes, or MBytes). Use Partition

Size to specify the partition’s size.

Note: If you specify a value for Partition Size that is

larger than the amount of space available on the

tape, the format will fail with a sense key of

Illegal Request (5h).

4. Wait for the formatting process to be completed (several

minutes depending on the partition size). When the EXB-8505

has finished formatting the tape, it will position the tape at the

beginning of the default partition (the second partition on the

tape unless changed by an EEPROM option). At this point, you

can begin writing data or performing other tape operations as

described in the following section.

3-26

EXB-8205 and EXB-8505

(Standard and XL)

510503

3 Implementing CTS Operations

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Exabyte EXB-8205 Betriebsanleitung Seite 88