On Mon, Mar 1, 2010 at 5:42 AM, dan <dandenson AT gmail DOT com> wrote:
> On Sun, Feb 28, 2010 at 3:06 PM, Johannes H. Jensen <joh AT pseudoberries DOT
> com>
> wrote:
>>
>> Actually, one of the files in question is the fformat file of a .svn/
>> directory which appears many times in one of the backed up
>> filesystems. Since it will have the same md5 sum, BackupPC links it to
>> the same file in cpool...
>
> I highly doubt you are reaching the maximum number of hardlinks for a single
> file but rather the maximum for the filesystem. I cant find any real
> numbers on the maximum number of hardlinks for the filesystem or i'd post
> it.
Actually it appears that I am. From the output of ls -l:
$ ls -l cpool/7/c/6/7c67493bd72ceff21059c3d924d17518
-rw-r----- 32000 backuppc backuppc 10 2009-01-25 19:02
cpool/7/c/6/7c67493bd72ceff21059c3d924d17518
Notice the second column - link count at 32000 which is the maximum
allowed for ext3.
On the local backuppc server I have this:
ls -l cpool/7/c/6/7c67493bd72ceff21059c3d924d17518
-rw-r----- 16473 backuppc backuppc 10 2009-01-25 19:02
cpool/7/c/6/7c67493bd72ceff21059c3d924d17518
Which is over half the maximum allowed hard links. Since no old
backups are removed from the remote server, the hard link limit will
be reached after approx 14-15 backups on the remote server (after 6-7
days).
AFAIK, the link limit of reiserfs is 64 000. This would surely help
for a while, but would result in the same issues in the end.
Now I was thinking of running another instance of BackupPC on the
remote server, using the same pc and hosts configuration as the local
server but with $Conf{BackupsDisable} = 2 in the global config. This
instance should then keep the remote pool clean (with
BackupPC_trashClean and BackupPC_nightly). Could someone indicate
whether this is a good idea? Would it work as I expect?
Best regards,
Johannes H. Jensen
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