Re: Questions about binary deltas and an internal error

John Goerzen <[email protected]> Mon, 13 Mar 2023 20:16:11 -0600
Newsgroups gmane.comp.sysutils.backup.dar.support
Message-ID <[email protected]>
Hi Denis,

Thank you for looking into it!  I have one question:

On Sun, Mar 12 2023, Denis Corbin wrote:

> Before applying the patch dar tries to check the base CRC which has not
> yet been read which trigger the exception you caught. Thus storing the
> base CRC before the file's data should solve the issue.


... snip ...

> In the meanwhile, the workaround you have found to not restore in
> sequential-read is correct and the method you plan to use creating a
> isolated catalogue in sequential read with delta signature using pee is
> good.
>
> isolated catalogue do not suffer of this problem as all the data is
> stored in a catalogue which is loaded into memory before use.

I'm not sure if this is at all practical for my use case, but does this
imply that if somehow I transport an isolated catalogue along with the
backup, dar -x -A would do the right thing in sequential read mode?

- John