On Wednesday 12 July 2006 15:07, Jon LaBadie wrote:
> On Wed, Jul 12, 2006 at 10:29:14AM +0100, Laurence Darby wrote:
> > Hi,
> >
> > I'm sure this question has been asked many times before, but I couldn't
> > see it in the Faq-O-Matic.
> >
> > Bascially I have a 30GB directory (/home) and 50 4.7GB DVD-Rs. Is there
> > any support in Amanda for backing up to DVD-Rs? Actually, the only
> > thing I'm looking for is the capability to divide the 30GB into 4.7GB
> > chunks, or slightly smaller to fit on a 4.7GB ext2 loopback file which
> > can be burned to DVD.
> >
> > I tried using 'tar --multi-volume', which sort of does what I want,
> > but it's interactive, not compressed, and difficult to manage indexes.
> >
> > Thanks,
> > Laurence
> >
> > PS: The silly thing is, (and not "ironic" before anyone thinks it is,
> > because it is not), I maintain a Veritas NetBackup Enterprise solution
> > at work, but I have absolutely _zero_ chance of taking my HD's in and
> > backing up there...
>
> Not direct to DVD, but perhaps a with 2 step process.
> I believe at least one poster to the list, ?Anne Wilson?,
> may be using such a setup. Perhaps she/they will comment.
>
Yes, indeed, although I have to admit I've not done as much testing of
restores yet, as I should have done. Nor have I yet added networked backups.
> Amanda has the ability to use a hard disk as a "virtual tape"
> using the "File:Driver". The vtapes (as opposed to ptapes :)
> are headed by a single directory. A collection of these
> can be thought of as "slots" in a changer and rotated
> through automatically using a changer script just like a
> a physical changer.
>
> You must specify a size for your vtapes, thus if you specify
> something slightly less than your recordable size, you can
> then transfer an entire vtape to a corresponding dvd.
>
I created a set of 21 vtapes. I created one tapetype, HARD-DISK based on what
I had read:
define tapetype HARD-DISK {
comment "WD 120GB drive hdb6"
lbl-templ "/usr/local/etc/amanda/Daily/3hole.ps"
# length 4100 mbytes # will burn to DVD
}
but then, amongst the documentation somewhere I came across these examples,
too:
define tapetype CD650 {
comment "CD-R 650MB sized vtape"
length 681984000 bytes
filemark 4 Kbytes
}
define tapetype CD700 {
comment "CD-R 700MB sized vtape"
length 737280000 bytes
filemark 4 Kbytes
}
define tapetype DVD47 {
comment "A 4.7 Gbyte DVD-Sized vtape"
length 4000 mbytes
filemark 4 Kbytes
}
define tapetype DVD85 {
comment "A 8.5 GB DVD double layer"
length 8000 mbytes #approximately - exact value not found
filemark 4 Kbytes
}
My dumptype settings are:
define dumptype global {
comment "Global definitions"
index yes
# record no
tape_splitsize 400 Mb
# split_diskbuffer "/tmp/dumps"
fallback_splitsize 100m
maxpromoteday 1
}
define dumptype root-tar {
global
program "GNUTAR"
}
define dumptype user-tar-span {
root-tar
tape_splitsize 400Mb
comment "tape-spanning user partitions dumped with tar"
************
I back up three distinct areas, two of which are graphic and audio, so they
are backed up without compression. The third area is /home, and a Level 0 of
that does require spanning. The backup is broken down, and the vtapes can be
burned to DVD.
As I said, I'm pretty new to this, and no kind of expert, but if you want any
more info, please ask.
Anne
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