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Erik Hjertén wrote:
> Hi David
> 
> I have a ReadyNAS Duo [X-RAID] with two 1TB disks in raid 0 (mirrored).
> I believe it's close to what you are looking at. It's mounted as NFS in
> my Ubuntu server. I use this set-up in my home for personal as well as
> business use. It has worked flawlessly since I installed it, I think it
> was in october last year. I backup several clients to it as well as the
> Ubuntu server it self. A full backup typically reaches a speed of 8
> MB/s, but I haven't made any effort to tune the setup, I just plug and
> pray ;-) . I also store some larger files on it and I stream video from
> it as well. Works great.
> 
> What do you want to know?

I have one of these (ReadyNAS Duo) configured with RAID1 and 2 x 1TB
HDD's. My current problem is a lack of performance. I have two NFS
mounts from one machine, one if my very old NFS server (PC running linux
with IDE HDD's installed) which gets this result:
host:/mnt# dd if=/dev/zero of=/tmp/test bs=1024 count=102400
102400+0 records in
102400+0 records out
104857600 bytes (105 MB) copied, 2.74108 s, 38.3 MB/s

Meanwhile the same test with the netgear gets this:
host:/mnt# dd if=/dev/zero of=nas/media/test bs=1024 count=102400
102400+0 records in
102400+0 records out
104857600 bytes (105 MB) copied, 125.684 s, 834 kB/s

The test machine is connected via gigabit to the switch, and the netgear
+ old NFS are both also connected to the same switch. The maximum
performance I've seen with the netgear is around 2.5MB/s, but with samba
I've seen around 25MB/s so I'd love to know why I lose 10 times the
performance!

Any hints/tips on improving the performance would be greatly appreciated...

Thanks,
Adam


- --
Adam Goryachev
Website Managers
www.websitemanagers.com.au
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