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Append Only Backup
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Post Append Only Backup 
Dear rdiff-backup community,


I'm setting-up a push bases backup system where:
many production servers connect (push) to one backup server.

My goal is to setup an append-only backup to increase security
(integrity only). Please help.


Container A:

I've setup a single purpose container* (see footnote) to which I can
make remote backups.

In this container I have 2 mount points:
MP1. read-write (backups are made to this directory by incoming
SSH connections as root)
MP2. read-only (nothing in A can write here)


Container B:

I also have a secure network-less container.
This container can read and write to all data (MP1 and MP2).
It will run maintenance Cron jobs.



The only thing that I have yet to figure out is:
1. A way to allow a push incremental backup to Container A
while storing the majority of the data as read-only.

2. A script running in Container B that will periodically
move the backup data from the read-write (MP1) to read-only (MP2).


Is there a way to use rdiff-backup to make a new increment file while
the backup directory is read-only?

How would I "rebuild" the backup directory using such an increment file?


Thank you for your time.


Alex


------------
* Containers are also knows as "jails", they are basically:
chroot'ed environments + process isolation + network isolation
------------



--
---------------------------------------------------------------
Aleksandr Levchuk
Homepage: http://biocluster.ucr.edu/~alevchuk/
Cell Phone: (951) 368-0004

Bioinformatic Systems and Databases
Lab Phone: (951) 905-5232

Institute for Integrative Genome Biology
University of California, Riverside
---------------------------------------------------------------


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Post Append Only Backup 
On Sun, Dec 27, 2009 at 04:36:57PM -0800, Aleksandr Levchuk wrote:
Dear rdiff-backup community,

[snip]



The only thing that I have yet to figure out is:
1. A way to allow a push incremental backup to Container A
while storing the majority of the data as read-only.

I think you need to read how rdiff-backup works, I don't think it will
be able to do what you want. it keeps a current copy of files and keeps
deltas to make up previous backup points


2. A script running in Container B that will periodically
move the backup data from the read-write (MP1) to read-only (MP2).


Is there a way to use rdiff-backup to make a new increment file while
the backup directory is read-only?

How would I "rebuild" the backup directory using such an increment file?


Thank you for your time.


Alex


------------
* Containers are also knows as "jails", they are basically:
chroot'ed environments + process isolation + network isolation
------------




--
"You teach a child to read, and he or her will be able to pass a literacy test."

- George W. Bush
02/21/2001
Townsend, TN


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rdiff-backup-users mailing list at rdiff-backup-users < at > nongnu.org
http://lists.nongnu.org/mailman/listinfo/rdiff-backup-users
Wiki URL: http://rdiff-backup.solutionsfirst.com.au/index.php/RdiffBackupWiki

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