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[Gadriel]

I've been experiencing disk caching issues with my DNS-323 recently. I've used the device for more than a year now, and until about two months ago I had no trouble with it at all. However, very suddenly I started having data transfer problems, transfers would often stop and start, interfere with each other or simply not work for a period of time.

After nosing about my system I found that both Windows and other software were reporting that my DNS-323 had a 1.77mb disk cache, resulting in I/O overloading with anything going on at all. I'm uncertain as to whether the issue lies with the NAS itself, the disk or the network. The issue's appearance did not coincide with any notable events such as a firmware upgrade, DNS settings change or network settings change.

I'd appreciate any advice anyone can give. I'd really like to be able to both transfer a file and manage directories at the same time or maybe even transfer two files at once again.

Some info:
Disk Setup: One ST3500320AS Seagate Barracuda 7200.11 500gb 3gb/s /w 32mb cache
Firmware Version: 1.07
Network: DNS-323, Win7 x64 system, XP Pro system, and Vista x86 system, DIR-655 router. Cat6 ethernet. All systems affected.

[jamieburchell]

Where does it report the disk cache? You could try directly connecting a network cable between your NAS and a computer. Might need to use a crossover cable unless either end automatically negotiates this. That would eliminate your router and most of your network from the equation.

You could also try your hard drive directly in your machine and do some read write tests or use Seatools to check it over. Perhaps try a different drive in the NAS to eliminate that. as with most of these things if turning it on and off doesn't work you need to start investigating...