Rick Johnson wrote:
Alex Harrington wrote:
I was talking about saving the Linux filesystem info. Do your rsync
to
the NAS, then do a recursive getfacl, redirecting the output to a
file on the NAS.
When you do an rsync back from the NAS, correct the owner/perms
with setfacl.
Trouble is that I CAN'T do my rsync to the NAS drive because it
doesn't
give me the access privileges I need to write to the NAS. The rsync
wants to change owner and the NAS won't let it do that.
There are switches to modify that behaviour - -p, -o, -t, -g - and there
are aliases (eg -a)that switch combinations of those on or off.
What's the exact command line you're using to rsync?
I was using a command of the form:
rsync -avz /source /destination
And if that had worked, I wouldn't have needed to ask this list for
any help because ALL I was trying to do was use the NAS as a backup
device.
The permissions, symbolic links, etc. need to be preserved by the
rsync so that the files can be restored correctly IF they ever need to
be restored.
Something like rsync -r /source/ /destination should work, regardless of
the permissions, because rsync will write everything as whoever you're
logged on as (or whoever the NAS translates that to be).
As previously suggested you can then do a recursive getfacl over /source
and write the output to /destination. That will create a text file with
all your permissions etc included in it so they can be restored by
setfacl if required.
I'm afraid I don't understand what purpose the getfacl or setfacl
serves? The files on my system never had any access control lists so
how does creating them solve my problem?
Understand that getfacl/setfacl captures/restores all file/dir
attributes, ACL or not. A saved getfacl output, used as an input to
setfacl will restore the attributes exactly - ACL or not.
Have you read the man pages on rsync, getfacl, setfacl?
It seems to me that what I REALLY need is access to the filesystem on
the NAS so that I can set appropriate permissions there that will
allow the original rsync -avz command to function properly.
Which one is your goal:
1.) Get the rsync/NAS combo to work as you want/expect?
2.) Make reliable backups of your Linux box?
If you say #1 , I think it's obvious you're going to have to manhandle
the NAS box - install new firmware, hack your way in, get to the insides
somehow - cause it ain't gonna work as is.
If you say #2 , there's a lot of tools that can that done for you -
right now.
I think #2 should be your answer.
PS - you could always yank the NAS disks out, install them into your
Linux box, and make a real server.
--
Toby Bluhm
Alltech Medical Systems America, Inc.
30825 Aurora Road Suite 100
Solon Ohio 44139
440-424-2240
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