[Debburn-devel] mondoarchive fails on genisoimage

[Thomas Schmitt]

Hi,

Rob Borland wrote:
> I will certainly post my strong recommendation to the mondo-dev

They talk nice about me. :))
Obviously they are aware that genisoimage cannot fulfill their
newest needs about EFI booting. (As it cannot for Debian either.)


> Relax-and-Recover

New to me. But the phrase "there is no excuse for not using it"
reminds me of my own statement under "Purpose:" at
  http://scdbackup.sourceforge.net/main_eng.html

The backup format of Relax-and-Recover seems to be defined by
the backend software which you choose. Big battleships. But not
all big ones are listed. I see no reference to simpler tools like
tar, zip, mkisofs, ...
For my taste http://relax-and-recover.org provides very few
details. But that may be just due to my software plumber's
expectations.

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My own scdbackup does not mainly address system recovery but rather
mass backup of user data and system files. The total recovery scenario
is that a new system gets set up on new hardware by normal OS
installation. The backups then provide the user data and insight into
the old system configuration.
I do not expect to get compatible hardware after a years old
workstation died.

Its normal recovery scenario is rather that you need to get back
a few files which you destroyed by mistake or which got changed
by normal operation.
I never lost a complete disk content in 30+ years. But at some
occasions the machine was dead and the disk temporarily inaccessible.
Then it paid off to have piles of tapes, CDs, DVDs, and BDs.

For smaller file sets which change often, i use xorriso's incremental
backup capabilities on a single medium. Some of my BDs can offer
a daily ISO snapshot over half a year. (3 GB base size, about 100 or
200 MB update per day.)
A fat USB disk would offer years of incremental storage. Read-only.
Each daily update session mountable to show the whole state of that
session (i.e. the full 3 GB, not only the 200 MB update data).

Not to forget that xorriso can make the best backup ISOs ever.
With MD5, ACL, xattr, compression, encryption, unicorns, ...


Have a nice day :)

Thomas