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Forum Discussion
Post your performance results
I thought it might be interesting to see what kind of performance everyone is getting with IO Meter so that we can compare what we're getting. So I thought we could all post our results in this thread...
For ReadyNAS Pro 6-200
I found it's interesting that there is no different in performance between stripped x-raid and single disk.
Writing at local level such as copy folder-to-folder (in RAID) and disk-to-disk in AHCI mode the speed is conistent at 75MB/s.
However, transfer over network the write speed gets improved to 120MB/s
From all the tests I see on the internet is SINGLE transaction, one connection at the time of the test. What's been missing is these storage device (SAN) suppose to get connect with multiple servers at any given time.
The speed is max at 160MB/s when there are two network transaction,
single connection max at 120MB/s,
and max Speed at 100MB/s when there is network transfer and local copy at the same time. Here are my test:
1. local copy on original x-raid, folder-to-folder
Write Speed 75MB/s
2. local copy folder-to-folder, and network Write
Write Speed Local 28MB/s
Write Speed From Network 100MB/s
3. Two machines Write to NAS
Write Speed 81MB/s per machine (162MB/s two machine combined).
Did I mention there is no different speed/performance on x-raid stripped VS. single AHCI mode disks ?
I've installed Windows Server 2012 on the ReadyNAS without raid option, each disk is on its own and I get exactly the same result for 3 tests above. What it mean is:
1. speed is depend on how the system handle the load, CPU and Network utilization is high but Memory usage is extremely low
2. type of NIC chipset ( I think this a factor but all NICs, on my laptop my desktop achieve maximum throughput, 980Mbps roughly 122MB/s)
3. type of disk use, Sata III get the result above, Sata II has speed fluctuate lower, for instance local copy of Sata II is about 50MB/s
Given the speed of the ReadyNAS running its own customized Linux VS. Windows OS the speed tests are the same. The clever code that Netgear has been using is catching up by Microsoft with its Storage Space feature in Windows 8 and WS2012. Storage Space feature in latest Windows OS has no intend in competition against ReadyNAS X-RAID but rather aiming at (responds to) the virtualization trend and its storage demand.
Soon, we will see NAS device running Windows OS.
Final though, Netgear (former infratec) is clever in writing a code that allow to add new disks to its existing partition. And it's so good that it allows you to run X-RAID with only 1 disk to start with, unlike RAID-5 3 disks minimum, this is the main reason I bought the ReadyNAS device. I don't like the idea of SAN loaded with DISKs but never use. I've seen too many disks get to replaced before the SAN reach its 70% usage. Even though I bought the ReadyNAS Pro 6 and has 6 drives to use I opt to run only 4 drives and my usage is only 50%.
I found it's interesting that there is no different in performance between stripped x-raid and single disk.
Writing at local level such as copy folder-to-folder (in RAID) and disk-to-disk in AHCI mode the speed is conistent at 75MB/s.
However, transfer over network the write speed gets improved to 120MB/s
From all the tests I see on the internet is SINGLE transaction, one connection at the time of the test. What's been missing is these storage device (SAN) suppose to get connect with multiple servers at any given time.
The speed is max at 160MB/s when there are two network transaction,
single connection max at 120MB/s,
and max Speed at 100MB/s when there is network transfer and local copy at the same time. Here are my test:
1. local copy on original x-raid, folder-to-folder
Write Speed 75MB/s
2. local copy folder-to-folder, and network Write
Write Speed Local 28MB/s
Write Speed From Network 100MB/s
3. Two machines Write to NAS
Write Speed 81MB/s per machine (162MB/s two machine combined).
Did I mention there is no different speed/performance on x-raid stripped VS. single AHCI mode disks ?
I've installed Windows Server 2012 on the ReadyNAS without raid option, each disk is on its own and I get exactly the same result for 3 tests above. What it mean is:
1. speed is depend on how the system handle the load, CPU and Network utilization is high but Memory usage is extremely low
2. type of NIC chipset ( I think this a factor but all NICs, on my laptop my desktop achieve maximum throughput, 980Mbps roughly 122MB/s)
3. type of disk use, Sata III get the result above, Sata II has speed fluctuate lower, for instance local copy of Sata II is about 50MB/s
Given the speed of the ReadyNAS running its own customized Linux VS. Windows OS the speed tests are the same. The clever code that Netgear has been using is catching up by Microsoft with its Storage Space feature in Windows 8 and WS2012. Storage Space feature in latest Windows OS has no intend in competition against ReadyNAS X-RAID but rather aiming at (responds to) the virtualization trend and its storage demand.
Soon, we will see NAS device running Windows OS.
Final though, Netgear (former infratec) is clever in writing a code that allow to add new disks to its existing partition. And it's so good that it allows you to run X-RAID with only 1 disk to start with, unlike RAID-5 3 disks minimum, this is the main reason I bought the ReadyNAS device. I don't like the idea of SAN loaded with DISKs but never use. I've seen too many disks get to replaced before the SAN reach its 70% usage. Even though I bought the ReadyNAS Pro 6 and has 6 drives to use I opt to run only 4 drives and my usage is only 50%.
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