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sparse_filesytem_image
2008 Jun 20
0
RE: Recover disk space after deletion files in CitrixXenserver
...create and format a new sparse filesystem, and use
tar (or two tar''s actually) to duplicate the old filesystem to the new. You
could easily break this into two scripts as well and actually store the tar
for backup purposes if you wanted.
cd /location/of/filesytem/image
dd if=/dev/zero of=sparse_filesytem_image bs=1 count=0 seek=4GB
mkfs.ext3 -F sparse_filesytem_image
mkdir /mnt/dest
mkdir /mnt/source
mount sparse_filesystem_image /mnt/dest -o loop
mount old_filesystem_image /mnt/source -o loop
cd /mnt/source
tar -cpVSO * | tar -xC /mnt/dest
umount /mnt/dest
umount /mnt/source
That should produce a perf...