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Aleksandr Levchuk
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 Posted: Sun Dec 27, 2009 4:37 pm Post subject: Append Only Backup |
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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
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* Containers are also knows as "jails", they are basically:
chroot'ed environments + process isolation + network isolation
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--
---------------------------------------------------------------
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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Alex Samad
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| Posted: Sun Dec 27, 2009 5:15 pm Post subject: Append Only Backup |
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On Sun, Dec 27, 2009 at 04:36:57PM -0800, Aleksandr Levchuk wrote:
| Quote: | Dear rdiff-backup community,
|
[snip]
| Quote: |
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
| Quote: |
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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Wiki URL: http://rdiff-backup.solutionsfirst.com.au/index.php/RdiffBackupWiki |
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