'Invalid cross-device link' message on sparc
Tim Conway
conway at us.ibm.com
Mon Mar 15 14:47:40 GMT 2004
tmp/rsync/unusable_link-dest/dir/foo and dir/foo are on different
filesystems. --link-dest= makes hard links - new directory entries
pointing at the same inodes. Directory entries don't have any way to
specify the device containing the filesystem. It's assumed that it's the
same device containing the directory. symlinks can span devices, but they
don't maintain a link count on the file, so deleting the original link
takes the link count to 0 and frees the data, and also leaves the symlink
as a "broken link".
If you want to use --link-dest, you will have to point to a place on the
same filesystem containing the stuff you're linking.
--link-dest=DIR create hardlinks to DIR for unchanged files
Tim Conway
Unix System Administration
Contractor - IBM Global Services
conway at us.ibm.com
augustin at i90fs4:/tmp/rsync% /usr/local/rsync-20040311/bin/rsync -a -v
--link-dest=/tmp/rsync/unusable_link-dest source/ dest
building file list ... done
created directory dest
./
dir/
link /tmp/rsync/unusable_link-dest/dir/foo => dir/foo : Invalid
cross-device link
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