Hi anonymous at gnosys dot biz,

somebody claiming to be 'Amanda' (haha) wrote:

> ...

WARNING: Tape drive has hardware compression enabled

> ...

WARNING: Tape drive has hardware compression enabled

define tapetype Dell-PV100T-DDS4 {
    comment "just produced by tapetype prog (hardware compression on)"
    length 16432 mbytes
    filemark 0 kbytes
    speed 2269 kps
}

Question:  Is it better to have hw compression turned off?  ...

Yes, turn off hardware compression. As described in the docs.

In short: the real Amanda can do it better than tape drives and
has more control over the tape length. Especially hardware compression
often makes files _larger_ than the original if fed already compressed
ones. Amanda avoids this ever and with some assistance from the
operator it even avoids unneccessary compression attempts.

regards

Georg
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