Installation guide

A QIC tape created with the btcreate utility may fail with the following

error when booted:

failed to send Read to mka... /

Be sure that the tape is write protected before booting.

If you are creating a bootable tape with a UFS ﬁle system that extends to

multiple tapes, the /sbin/dump command displays a message indicating

that the tape must be changed. If the tape is not changed promptly,

warning messages repeat periodically until the tape is changed. When you

change the tape, the warning messages stop.

The behavior of the open call to a tape device has changed. You can no

longer use write mode to open a write-protected tape. The attempt to open

the tape will fail, returning the following message:

EACCES (permission denied)

If an application is written so that it attempts to open the tape device with

O_RDWR when the intention is only to read the tape, the open attempt will

fail. Applications should be changed to open the device with O_RDONLY. For

applications that cannot be changed, use the following command to obtain

the previous behaviour of the open call:

# sysconfig -

r cam_tape open_behaviour=0

11.2.4.2 Supported Software and Devices

For this release, bootable tape will not work with the LSM product. The

following processor platforms are supported:

• DEC 3000-500, 3000-400, 3000-300, 3000-600, 3000-300X, and 3000-900

• DEC 2100

• AlphaStation 200, and 600

• AlphaServer 1000A, 2100, 4100, 8200(ev5) , and 8400(ev5). The minimal

revision of console ﬁrmware for the 8200 and 8400 is version 5.2.

For tape drives, you must ensure that the kernel was built with the tape

drive connected to your system. If the drive was not connected when the

kernel was built, you will see dump errors and the system will not be able

to boot from the tape drive. The following tape devices are supported:

• TLZ06, 4mm, 2.0GB/4.0G

• TLZ07, 4mm, 4-8G

• TZK10, QIC tape, 320MB-525 MB

• TZK11, QIC tape, 2.0G

11–8 Administering the Archiving Services