I need to move the archive for backuppc from one NAS to another. We're
dealing with around 800GB of data (35 million files) over a 100 Mbit
connection (for the time being, will be 1Gbit in the future), so the move
will take more than one day.
- dump & restore is out of the question since each NAS is basically a sealed
box.
- I'd like to avoid just 'cp'ing it across since it will take a long time
and I'd like to maintain our backup schedule while we transfer.
- rsync -aH pukes because it's running out of address space (the 35 million
files are hard to keep track of)
- rsync -a will work, but it doesn't do the hardlinks.
The last part got me to thinking -- if I could manually run the backuppc
linker, I could rsync the backups, and just have the linker take care of the
rest. Does anyone know how to run the linker like this? If there isn't a
convenient way right now, could I bug one of the developers to add a --force
flag to it so it'd go through and scan all the files?
I suppose one other option is to build a 64 bit virtual machine with qemu,
give it a large amount of swap, and then use that to do the rsync -aH :P
Thanks.
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