Hi all,

I want to transfer my pool from ext4 to xfs. The pool is around 1.3TB
with approx 15 hosts backing up.

Well, the obvious rsync -avH is called to be too memory consuming
because of the hardlinks.

So I started the way listed here:
http://roland.entierement.nu/blog/2013/12/02/rsyncing-a-backuppc-storage-pool-efficiently.html

The rsync of the cpool is done (took quite a while!)

I started the "store-hardlinks.pl" and up to now top tells me:

top - 20:01:12 up  3:32,  2 users,  load average: 1.36, 1.08, 1.03
Tasks: 107 total,   1 running, 106 sleeping,   0 stopped,   0 zombie
Cpu(s):  0.3%us,  0.8%sy,  0.0%ni,  0.0%id, 98.7%wa,  0.0%hi,  0.2%si, 
0.0%st
Mem:   8061568k total,  7778968k used,   282600k free,   442732k buffers
Swap:  4063228k total,     7672k used,  4055556k free,    12848k cached

  PID USER      PR  NI  VIRT  RES  SHR S %CPU %MEM    TIME+  COMMAND
 1644 root      20   0 5760m 5.5g 1008 D  1.3 71.5   7:09.30 store-hardlinks

So it consumes already nearly 6GB of memory!

Anyone else having a better idea how to transfer in an reasonable amount
of time with reasonable memory consumption?

Greetings

Christian


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