BackupPC-users

Re: [BackupPC-users] Noted Observations & Complaints Using BackupPC for 5 mon

2010-04-28 21:28:55
Subject: Re: [BackupPC-users] Noted Observations & Complaints Using BackupPC for 5 mon
From: Trey Nolen <support AT internetpro DOT net>
To: backuppc-users AT lists.sourceforge DOT net
Date: Wed, 28 Apr 2010 20:26:44 -0500

Saturn2888 wrote:
> I've been reading a lot. Apparently Rsync over Cygwin or anything using those 
> DLLs hangs. I haven't yet felt like upgrading my memory for money reasons, 
> but 
>
> I'm wondering if I should include the -W or --whole-file into the Rsync 
> options for backups. From what I read online, a lot of Windows server + Rsync 
> issues were occuring with hangs so I tried to change  my list to exclude 
> junction points and other things like it. So far, things seem to be moving as 
> they used to, but certain machines are still taking a long time, in fact, 
> longer than before. I had a machine which was taking 2 hours now taking 20, 
> haha. It seems like the more I do to fix it, the worse it gets. I hope that 
> checksum thing eventually does help. I can confirm some things work properly.
>
> I did a full back up over 100GB of files yesterday, none of these operating 
> system files, and was surprised to see it take 5 hours to do. The good thing 
> is, when it did the incremental today, it only took 15 minutes. 15 minutes 
> for an incremental backup of 100GB of unchanged files from a Windows machine 
> seems decent enough. Then I looked closer. While it says it backed up 0MB of 
> 0 files total were backed up, 53 files show up as backed up existing already 
> and 381 new files. Please look at http://badmarkup.com/backuppc/majin.png to 
> see what I'm talking about. How is this possible? Is it a bug in BackupPC? 
> Would it explain the issues I'm having? I'd still have to say backing up 
> these files was notably faster than backing up 20GB of a C: drive with only 
> the OS and some programs installed so I dunno what to expect here.
>
>   

There is a lot of online documentation about the hanging of 
rsync+cygwin, but in my experience this is corrected with the newest 
release of the Cygwin DLLs.  If you are using the newest version, you 
should be able to use rsync on Windows just like you would do on Linux 
hosts.  There is no longer any need to set it up to use rsyncd.


Trey Nolen



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