FYI, particularly for the SELinux people:
------------ Forwarded Message ------------ Date: Friday, December 10, 2004 5:13 PM +0100 From: Stelian Pop <stelian@xxxxxxxxxx> To: dump-announce@xxxxxxxxxxxxxxxxxxxxx Cc: dump-users@xxxxxxxxxxxxxxxxxxxxx, dump-devel@xxxxxxxxxxxxxxxxxxxxx Subject: [Dump-users] preliminary EA/ACL support in dump/restore
Hi everybody.
Support of ACLs is a feature requested by many for a long time and I finally got the time to implement it. Since on Linux ACLs are only a particular case of EAs (Extended Attributes), I implemented full EA support, meaning that even security labels set (for example) by SELinux will be backuped.
You can download a patch (against the current CVS dump) here: http://dump.sourceforge.net/dump-ea.patch.bz2
Some notes: * the patch is complete, meaning that everything is supposed to work: dumping, extraction, comparing, in all modes etc.
* the patch modifies some key areas of restore, so pay attention and verify that you can reread your backups before relying on them.
* the tape format changed a bit and you will need the patched restore to extract the files.(*)
Please test this and report back if there are any issues.
I plan to release a new version of dump (0.4b38) in the next few days, but I will NOT include the EA patch in it, because it really needs more testing.
But as soon as I get enough positive replies on the EA patch I will include it in the official mainline.
Thanks,
Stelian. (*) In fact is a bit more complicated: - if no EAs are backuped, dump format should remain the same as in the old versions, so you can use whatever restore you want. - if EAs are backuped but never on directory inodes, then a reasonable recent version of restore should be happy and just skip over the extended attributes data. - if EAs are backuped for directory inodes, older restores will fail to extract with some 'directory corrupted' error.
-- Stelian Pop <stelian@xxxxxxxxxx>
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