Daniel B. Thurman wrote:
Tony Nelson wrote:
Sent: Friday, December 07, 2007 8:43 AM
To: fedora-list@xxxxxxxxxx
Subject: Re: Best way to copy /usr to different partition?
At 10:43 PM -0500 12/6/07, Kevin J. Cummings wrote:
Daniel B. Thurman wrote:
I was getting dangerously close to running out of disk space
since /usr was filling up fast.
I thought it was simple to tar-copy /usr to a different
drive/partiton
using tar copy such as:
(cd /usr; tar cpf - .) | (cd /newpartition; tar xpf -)
using tar doesn't copy the extended attributes used by SELinux. ...
...
`man tar` shows the --xattrs and --no-xattrs options (though
`man tar` and
`info tar` don't say what the default is), so tar should work
for EAs if
used with --xattrs.
--
____________________________________________________________________
TonyN.:' <mailto:tonynelson@xxxxxxxxxxxxxxxxx>
' <http://www.georgeanelson.com/>
--
I have discovered that using:
(cd /usr-b; tar -cp -xattrs -f - .) | (cd /usr; tar -xp --xattrs -f -)
OR
(cd /usr; cp -pR /usr-b/. .)
did not preserve the selinux attributes.
I have checked the attributes in /usr-b/lib/libsysfs* and
it has lib_t assigned to these files against the copied files
/usr/lib/libsysfs* and it shows default_t instead of lib_t.
This may mean that my entire /usr filesystem has improper
selinux attributes.
Can someone tell me how to copy the files from my original
/usr-b filesystem to /usr filesystem with the selinux attributes
intact?
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I think the best thing from the selinux point of view is to turn off
selinux while doing the copy and then when done and checked out turn it
back on and wait while selinux re-inserts it's stuff.
--
Karl F. Larsen, AKA K5DI
Linux User
#450462 http://counter.li.org.
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