Dag <backuppc-forum AT backupcentral DOT com> wrote on
08/31/2011 09:03:42 AM:
> I apologise if my question
is answered before (I didn’t find it)
>
> I have a problem when BackupPC (3.2.1) tries to backup a large file,
> about 12GB in size.
> I use a CentOS BackupPC server backing up an CentOS client with
> rsync over ssh.
> I first saw this using CentOS 5 and rsync 2.x, I therefore upgraded
> to CentOS 6 which has rsync 3.x as google search indicated there
> might be an issue with rsync that was fixed in 3.0X?
> But the problem still exists ...
Just an anecdote for you: I do
not use rsync over ssh, but I do use rsyncd. In the case of backing
up a Microsoft Exchange server, I have to back up a single 80GB file that
changes daily. I do not have any problems, and I have tested both
backups and restores.
> More details;
> The source file (ls –l) on the client;
> -rwxr----- 1 user1 server 12773621760 Feb 4 2011 2010-12-19
Huge
> HD recording 2010.m2ts
>
> The transfer of date does not stop, and I had to stop it manually
> when the “backup file” reached ~1/2 TB on the BackupPC server (in
> the TopDir/pc structure);
> -rw-r----- 1 backuppc backuppc 499482475314 Aug 31 11:59
> f2010-12-19 Huge HD recording 2010.m2ts
>
> I don’t know the processes involved, but it seemed to me that /usr/
> share/BackupPC/bin/BackupPC_dump was the process writing to the 1/2
> TB file (just guessing here?)
It would be.
> I have other of size up to 6GB where the backup succeeds, where are
> the limitations above that?
> But where is this limitation, is it BackupPC, rsync or? What can I
do?
Unfortunately I cannot help you any
more than to say that, at least with rsyncd, I have successfully backed
up files seven times larger than that.
Timothy J. Massey
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