Recent content by Solori

Don't confuse write bandwidth to disk as realizable performance. ZFS queues write and bulks them out to disk every 20-30 seconds. This makes random IO behave like sequential IO. In the case of mirror, to-disk bandwidth on write is twice the effective rate. For raidz, it's harder to calculate...

It depends on the drives and RAM in your system. If yor have an anemic 2GB main board, go with 5 mirror groups. If you have quad-core and 8GB of RAM then expect to get about 50-60% (worst case) performance (writes) from three 3-disk raidz groups vs. five 2-disk mirrors. With reads, you'll not...