Hp LTO 4 SAS Manual do Utilizador descarregar pdf (Página 36)

Sun (Solaris 8, 9, 10) servers and workstations34

4. You should now be able to use the drive.

•Use /dev/rmt/Xcb if you require a compression rewind device file, where X is the

relevant device address.

•Use /dev/rmt/Xcbn when you require a compression non-rewind device.

Once the device files have been created, you should confirm that your new tape drive is working

properly. Chapter 8 on page 37 provides instructions on backing up and restoring a sample file to

test your installation.

HP-data values

The values for HP_LTO_GEN_n and name, which provide normal LTO mode, have the following

meanings:

The syntax for HP_LTO_GEN_n on Solaris 8/9/10 is:

<drive type> = <version>, <type>, <bsize>, <options>,

<no. of densities>, <density 0>, <density 1>,

<density 2>,<density 3>, <default density>,

<non-motion timeout>, <read/write timeout>,

<rewind timeout>, <space timeout>, <load timeout>,

where:

Parameter Value Meaning

<version> 1 or 2 Indicates the format of the following parameters.

<type> 0x36 or

0x3B

The value for an LTO Ultrium drive in

/usr/include/sys/mtio.h. For Solaris 8, 0x36 indicates a

type of MT_ISOTHER. Later versions of Solaris support the value

0x3B which indicates a type of MT_LTO.

<bsize> 0 Indicates variable block size.

<options> 0xd639

0x18659

This value is derived from constants provided in

/usr/include/sys/scsi/targets/stdef.h. The value

determines which operations the driver can perform with the

attached device by using a unique value for each feature and then

adding them together to form the options value. Supported features

will vary with OS revision, and may include the following:

0x001 Device supports variable length records.

0x008 Device can backspace over files (as in the ‘mt bsf’

option).

0x010 Device supports backspace record (as in ‘mt bsr’).

0x020 Device requires a long time-out period for erase

functions.

0x040 Device will automatically determine the tape density.

0x0200 Device knows when end of data has been reached.

0x0400 Device driver is unloadable.

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