The NetApp C230 has proved to be a very stable and reliable machine. It has only crashed once, and that happened while we were configuring the system. Even under high loads, the system remained accessible. It is able to withstand all currently known DoS attacks, recovers gracefully from power cuts and is able to work around a disk failure thanks to the RAID 4 and a hot spare in the disk array. The machine has been designed with terms as performance, stability and reliability in mind, and the hardware shows it.

The only real performance problem we encountered was that just after the system boots, it starts to write a 'cleanlog' to disk. While the NetApp is doing this, the system is unreachable. With the configuration we tested this takes about 15 minutes, which is far too long. According to Peter Danzig of NetApp, this is a problem in the scheduler of the NetApp operating system, and should be fixed in a next release.

It seems that the software has been written for the NetApp C630, and has been put on a smaller machine without finetuning the operating system.