Thanks for writing, Kim. Before going out shopping for hardware, I'd try and determine where your > performance problem is, ie on the server (due to external USB based > storage), or on the client. >
A good point, but either way I need a hardware upgrade. A single external hard drive isn't going to cut it. At the *very* least, I need redundancy for the pool. Regardless of any issues on the client, writing to the disk over USB will become a bottleneck with as much data as there is to back up. You're right, though, I can probably be pretty modest about any hardware upgrades. It does seem to me that you are having a performance issue on the system to > be backed up, and assuming there isn't all sorts of junk software running on > the XP Home system that makes rsyncd compete for the already slow disk > subsystem, I would take a look at the rsyncd installation. (I have seen > active Antivirus make rsyncd max out a processor) > The XP Home system should be fairly clean, but the rsyncd installation is probably about 3 years old. Unfortunately, the Linux distro on the server has gone out of date (I think it's Ubuntu 7.04 or something) and lot of tools that I would use to measure performance on the server side (e.g., iostat, etc.) were not and cannot easily be installed at this point. Monitoring Windows performance should be pretty straightforward, though. > I have seen some poor results on *some* Windows XP systems with Cygwin > myself as well, using the aged 2.6.8 rsyncd package distributed from the > BackupPC sourceforge site. > > There are various guides on getting a more recent cygwin/rsyncd installed > on Windows, or for a quick switch-and-test you can install DeltaCopy on the > XP Home system for a quick trial run. > Are you saying that the download available from the sourceforge site is not the best option for giving Windows XP rsync superpowers? I've never looked at DeltaCopy; is there consensus that that's a better option than the sourceforge rsyncd/Cygwin? > On the hardware for the new server, I pretty much agree with Les - use > single disk or RAID1 for an uncomplicated fast setup. Stay away from RAID5. > Drive spindle speed is the main thing you want to focus on, especially if > the server will be backing up multiple clients simultaneously. > There's an idea! I have a small number of clients; perhaps I should allow BackupPC to back up only one at a time!
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