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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...
Had the ReadyNAS a week now. I'm still finding my way a bit but have tried a few set ups with differing results.
One strange thing I've not figured out yet is that in all the tests I've done, regardless of connection, the read speed is consistently slower than the write speed.
I can't see this pattern in any of the other results posted
ReadyNAS config is:
ReadyNAS NV+ with Samsung 2x1TByte disks and 512 Mbytes of memory
Set up for XRAID
Using the default options for performance.
ie
Full data journaling disabled
Fast CIFS writes enabled
My original set up was to connect the ReadyNAS to my Dell Dimension 8300 as follows:
ReadyNAS --> Netgear DG384 --> Hop between 2 Netgear Powerline connectors --> D-LINK Switch --> Dell Dimension
I transferred 60Gbytes of data over this setup and it took nearly 20 hours so the effective write speed was closer to 1 MBps. ouch!!
This triggered an investigation with IOMETER transfering a 1 Gbyte file
The configuration above gave me the following results with IOMETER
Write Speed: 2.87 MBps
Read Speed: 2.51 MBps
Not very good but more optimistic than what I'd already witnessed.
Experimenting with other setups I then got the following.
Dell Dimension 8300 connected via D-Link Switch DES-1008D 100Mbits
Write Speed: 9.01 MBps
Read Speed: 7.40 MBps
Lenova Thinkpad T-60 connected via Netgear DG834 Router 100Mbits
Write Speed: 10.29 MBps
Read Speed: 9.34 MBps
Lenova Thinkpad T-60 direct connect, 1 Gbit, no jumbo frames :(
Write Speed: 15.92 MBps
Read Speed: 10.80 MBps
Probably should repeat tests with a larger file but given the spread of results I don't think I'm caching much.
Needless to say, the ReadyNAS is now connected to minimise any need to transfer data over Netgear Powerline!
One strange thing I've not figured out yet is that in all the tests I've done, regardless of connection, the read speed is consistently slower than the write speed.
I can't see this pattern in any of the other results posted
ReadyNAS config is:
ReadyNAS NV+ with Samsung 2x1TByte disks and 512 Mbytes of memory
Set up for XRAID
Using the default options for performance.
ie
Full data journaling disabled
Fast CIFS writes enabled
My original set up was to connect the ReadyNAS to my Dell Dimension 8300 as follows:
ReadyNAS --> Netgear DG384 --> Hop between 2 Netgear Powerline connectors --> D-LINK Switch --> Dell Dimension
I transferred 60Gbytes of data over this setup and it took nearly 20 hours so the effective write speed was closer to 1 MBps. ouch!!
This triggered an investigation with IOMETER transfering a 1 Gbyte file
The configuration above gave me the following results with IOMETER
Write Speed: 2.87 MBps
Read Speed: 2.51 MBps
Not very good but more optimistic than what I'd already witnessed.
Experimenting with other setups I then got the following.
Dell Dimension 8300 connected via D-Link Switch DES-1008D 100Mbits
Write Speed: 9.01 MBps
Read Speed: 7.40 MBps
Lenova Thinkpad T-60 connected via Netgear DG834 Router 100Mbits
Write Speed: 10.29 MBps
Read Speed: 9.34 MBps
Lenova Thinkpad T-60 direct connect, 1 Gbit, no jumbo frames :(
Write Speed: 15.92 MBps
Read Speed: 10.80 MBps
Probably should repeat tests with a larger file but given the spread of results I don't think I'm caching much.
Needless to say, the ReadyNAS is now connected to minimise any need to transfer data over Netgear Powerline!
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