Re: [BackupPC-users] Stuck in a loop??????

On Fri, Apr 12, 2013 at 2:31 PM, Gregory Malsack
<gmalsack AT coastalacq DOT com> wrote:
>
> Been having problems with BackupPC backing up our primary storage server
> using rsync. It seems to run, but is taking a ridiculous long time, so I'm
> not sure if it's really working.  However, it is backing up about 30 other
> servers just fine. Some using rsync and some using smb.
>
> The server is connected to the network using 2 1gb network cards bonded,
> it's connected to a cisco 2948g-ge, from there it talks to the primary
> storage server using 2 1gb network card bonded. Thus with 2gb of bandwidth I
> wouldn't expect it to take hours on top of hours to backup 1.6tb...
>
> The primary storage server is running freenas
> The backuppc server is running on centos 5.8
>
> Here's a recent ps and strace... Any thoughts????
>
> backuppc  2449  2407  0 Apr10 ?        00:04:23 /usr/bin/perl
> /usr/share/BackupPC/bin/BackupPC_trashClean
> backuppc  4823  2407 15 Apr11 ?        02:39:49 /usr/bin/perl
> /usr/share/BackupPC/bin/BackupPC_dump pss.coastalacq.loc
> backuppc  4855  4823 77 Apr11 ?        13:10:19 /usr/bin/perl
> /usr/share/BackupPC/bin/BackupPC_dump pss.coastalacq.loc
>
> [root@backup bin]# strace -p 4855
> Process 4855 attached - interrupt to quit
> write(7,
> "x^\355\3201\1\0\0\0\302\240\365Om\f\37\210@a\300\200\1\3\6\f\0300`\300\200\1\3"...,
> 82371) = 82371
> read(6,
> "\6\f\0300`\300\200\1\3\6\f\0300`\300\200\1\3\6\f\0300`\300\200\1\3\6\f\0300`"...,
> 131072) = 131072
> write(7,
> "x^\355\3201\1\0\0\0\302\240\365Om\f\37\210@a\300\200\1\3\6\f\0300`\300\200\1\3"...,
> 82371) = 82371
> write(7,
> "x^\355\3201\1\0\0\0\302\240\365Om\f\37\210@a\300\200\1\3\6\f\0300`\300\200\1\3"...,
> 82371) = 82371
> read(6,
> "\200\1\3\6\f\0300`\300\200\1\3\6\f\0300`\300\200\1\3\6\f\0300`\300\200\1\3\6\f"...,
> 131072) = 131072
> write(7,
> "x^\355\3201\1\0\0\0\302\240\365Om\f\37\210@a\300\200\1\3\6\f\0300`\300\200\1\3"...,
> 82371) = 82371
> read(6,
> "\f\0300`\300\200\1\3\6\f\0300`\300\200\1\3\6\f\0300`\300\200\1\3\6\f\0300`\300"...,
> 131072) = 131072
> write(7,
> "x^\355\3201\1\0\0\0\302\240\365Om\f\37\210@a\300\200\1\3\6\f\0300`\300\200\1\3"...,
> 82371) = 82371
> write(7,
> "x^\355\3201\1\0\0\0\302\240\365Om\f\37\210@a\300\200\1\3\6\f\0300`\300\200\1\3"...,
> 82371) = 82371
> read(6,
> "\1\3\6\f\0300`\300\200\1\3\6\f\0300`\300\200\1\3\6\f\0300`\300\200\1\3\6\f\30"...,
> 131072) = 131072
> write(7,
> "x^\355\3201\1\0\0\0\302\240\365Om\f\37\210@a\300\200\1\3\6\f\0300`\300\200\1\3"...,
> 82371) = 82371
> write(7,
> "x^\355\3201\1\0\0\0\302\240\365Om\f\37\210@a\300\200\1\3\6\f\0300`\300\200\1\3"...,
> 82371) = 82371
> read(6,
> "`\300\200\1\3\6\f\0300`\300\200\1\3\6\f\0300`\300\200\1\3\6\f\0300`\300\200\1\3"...,
> 131072) = 131072
> write(7,
> "x^\355\3201\1\0\0\0\302\240\365Om\f\37\210@a\300\200\1\3\6\f\0300`\300\200\1\3"...,
> 82371) = 82371
> read(6,
> "\f\0300`\300\200\1\3\6\f\0300`\300\200\1\3\6\f\0300`\300\200\1\3\6\f\0300`\300"...,
> 131072) = 131072
> write(7,
> "x^\355\3201\1\0\0\0\302\240\365Om\f\37\210@a\300\200\1\3\6\f\0300`\300\200\1\3"...,
> 82371) = 82371
> write(7,
> "x^\355\3201\1\0\0\0\302\240\365Om\f\37\210@a\300\200\1\3\6\f\0300`\300\200\1\3"...,
> 82371) = 82371
> read(6,
> "\300\200\1\3\6\f\0300`\300\200\1\3\6\f\0300`\300\200\1\3\6\f\0300`\300\200\1\3\6"...,
> 131072) = 131072
> write(7,
> "x^\355\3201\1\0\0\0\302\240\365Om\f\37\210@a\300\200\1\3\6\f\0300`\300\200\1\3"...,
> 82371) = 82371
> read(6,
> "\0300`\300\200\1\3\6\f\0300`\300\200\1\3\6\f\0300`\300\200\1\3\6\f\0300`\300\200"...,
> 131072) = 131072
> write(7,
> "x^\355\3201\1\0\0\0\302\240\365Om\f\37\210@a\300\200\1\3\6\f\0300`\300\200\1\3"...,
> 82371) = 82371
> write(7,
> "x^\355\3201\1\0\0\0\302\240\365Om\f\37\210@a\300\200\1\3\6\f\0300`\300\200\1\3"...,
> 82371) = 82371
> read(6,
> "\3\6\f\0300`\300\200\1\3\6\f\0300`\300\200\1\3\6\f\0300`\300\200\1\3\6\f\0300"...,
> 131072) = 131072
> write(7,
> "x^\355\3201\1\0\0\0\302\240\365Om\f\37\210@a\300\200\1\3\6\f\0300`\300\200\1\3"...,
> 82371) = 82371
> write(7,
> "x^\355\3201\1\0\0\0\302\240\365Om\f\37\210@a\300\200\1\3\6\f\0300`\300\200\1\3"...,
> 82371) = 82371

Not much to go on...  It does seem to be reading/writing the same
blocks.    Might be worth an fsck to see if the underlying filesystem
is corrupted.  Or maybe the file it is working on holds some repeated
data.

--
   Les Mikesell
    lesmikesell AT gmail DOT com

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