Hi,
I am upgrading my BackupPC server. My old server was running SuSE 9.2
with ReiserFS and BackupPC 2.1.1, the new server is running SuSE10.2
with ext3. (I have not yet installed BackupPC on this server but intend
installing 3.0).
Some stats about my pool:
* 78 full backups of total size 2438.04GB (prior to pooling and
compression),
* 39 incr backups of total size 79.70GB (prior to pooling and
compression).
Pool is 394.80GB comprising 950631 files and 4369 directories (as of
3/11 02:20)
Which just goes to show how efficient BackupPC really is.
In order to copy the pool from the one server to the other, I used the
following command on the old server:
tar cf - backuppc | ssh [EMAIL PROTECTED] tar xf - -C /public/
This preserves hard links and does not overly load either system (as
would be the case when attempting to use rsync for the same operation).
I have one problem, and that is, it appears as though possibly in
ReiserFS, the limit as to the number of hard links for a single file is
a lot higher than the hard link limit on ext3. I have one file in the
entire (ReiserFS) pool which has 50270 hard links. With ext3 this limit
on the hard links is 32000. This is indeed the case because on my new
server, the number of hard links for this file is set 32000 and during
the copy procedure, I received a *LOT* of errors like the error message
below:
tar: backuppc/cpool/3/6/1/361ebfd223c9523c7d3837842c701813: Cannot hard
link to
`backuppc/pc/w2kguth.prodigi.biz/157/fcDrive/ftes/fcms/fhelp/fcss/findex.html':
Too many links
In the config file on the old server I do have $Conf{HardLinkMax} = 31999;
I have read the mail archives and note that BackupPC 3.0 'should' be
catering for this limit if I read the post correctly.
What I now need to do is to be able to fix my backup pool so that this
particular file's link count does not exceed 32000, and then I will have
to get the pool data across again.
Would anyone be able to make a recommendation as to how to fix this issue?
Any assistance would be greatly appreciated.
Thanks in advance
Hamish
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