On Fri, 22 Oct 1999 [EMAIL PROTECTED] wrote:

        Hi,

>>> I got my quote for arkeia today, and it was 7 grand. No way on my
>>> budget. Amanda looks good, but not being able to append to tapes
>>> killed it for me. 

> >     What do you mean by append? As I said on a post recently, I've
> 
> Can tonights nightly incremental backup be appended to the end of the same
> tape that was used for last nights incremental. 
> 
> Yes, I realize that amanda, not me, controls whether a full/incremental is
> done. The above was for readers who may not know how amanda works.

        Ah, ok...

> Not being able to append to the same tape means that if you want nightly
> incrementals, you must change tapes daily. Fine, but with the desire to
> also have some "historical" backups (we like 3 months), you end up needing
> a MESS of tapes. 

        Yeah...

> Which for us is silly - sometimes our nightlys have only been a few
> hundred megabytes, but that still wastes an entire multi-gigabyte tape.
> (DLT 20/40 in my case).
> 
> Dump/restore is fine. For a few systems. But larger networks of systems
> needing backup IMO require more organized? software. (Planned software?
> Structured? Whatever - You can't count on humans for organization)

        hehe... Yes, I agree that larger networks need more structured
software that a couple scripts and dump/restore. Amanda is more on that
direction. 

But seeing backup software prices, won't it be better for you to use dat
libraries, so that although amanda controls rotation, you can predict tape
size needs, and have different size sets depending of backup period (say,
a set of DDS-1 tapes for backups, a set of DDS-2 tapes weekly...)? 

I mean, the 0 level backup is done with a huge DLT, but subsequent ones
are done/rotated automaticly by the DAT library/amanda, with inexpensive
tapes...

        Just my .2...

        cheers,

*****---(*)---**********************************************---------->
Francisco J. Montilla               System & Network administrator
[EMAIL PROTECTED]      irc: pukka        Seville            Spain   
INSFLUG (LiNUX) Coordinator: www.insflug.org   -   ftp.insflug.org

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