>> I had this a couple of years back on a Linux backup server which I used >> to copy PC backups to. Turns out it was because it was full of little >> files they took up lots of room. Not sure if you have lots of smaller >> files on your disc that could be doing this. Could you try tarring >> everything into one big tar file to see if it does the same thing? >> > > Thanks for the reply. I tried your suggestion to see what would happen > and indeed creating a tar file seems to work fine and creates a tar > file with almost the exact same amount of space as the source drive. I > don't understand why lots of files in a reiser3 filesystem taking up > 436G space end up taking up lots more space (> 530G) when copied to > another reiser3 filesystem. Unfortunately the files in tar format are > not much use to me. > > Is there any way I can copy the files over? Why is more space required? I don't know about Reiser, but on other file systems you can specifiy the block/cluster size, if this isn't the same on both of your filesystems, then there would be more slack space on the destination, which would have the effect you're seeing...
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