Readynas NV+ slow performance despite best efforts!

Download your logs (Status > Logs > Download all logs), what does your partition.log look like?

Do note that 3rd party memory upgrades are not supported.

mdgm wrote:
Download your logs (Status > Logs > Download all logs), what does your partition.log look like? Do note that 3rd party memory upgrades are not supported.

I was not aware that adding the 1GB Memory was not supported. If you think removing the module might help, I'd be happy to try that. Please comment.

Also, I did notice there was a 4.1.9-T2 beta firmware that people were having some success with, so I updated mine. IOMeter still shows Read 4MB/s and Write 11MB/ps..

And here's a copy of my partition.log -- (THANKS in advance for any help!)
-------------------------

Disk /dev/hdi doesn't contain a valid partition table

Disk /dev/hdc: 2000.3 GB, 2000388448256 bytes
255 heads, 63 sectors/track, 243200 cylinders, total 3907008688 sectors
Units = sectors of 1 * 512 = 512 bytes
Disk identifier: 0x00000000

Device Boot Start End Blocks Id System
/dev/hdc1 2 4096001 2048000 83 Linux
Partition 1 does not end on cylinder boundary.
/dev/hdc2 4096002 4608001 256000 82 Linux swap / Solaris
Partition 2 does not end on cylinder boundary.
/dev/hdc3 4608002 3906992305 1951192152 5 Extended
/dev/hdc5 4608003 3906992305 1951192151+ 8e Linux LVM

Disk /dev/hde: 2000.3 GB, 2000388448256 bytes
255 heads, 63 sectors/track, 243200 cylinders, total 3907008688 sectors
Units = sectors of 1 * 512 = 512 bytes
Disk identifier: 0x00000000

Device Boot Start End Blocks Id System
/dev/hde1 2 4096001 2048000 83 Linux
Partition 1 does not end on cylinder boundary.
/dev/hde2 4096002 4608001 256000 82 Linux swap / Solaris
Partition 2 does not end on cylinder boundary.
/dev/hde3 4608002 3906992305 1951192152 5 Extended
/dev/hde5 4608003 3906992305 1951192151+ 8e Linux LVM

Disk /dev/hdg: 2000.3 GB, 2000388448256 bytes
255 heads, 63 sectors/track, 243200 cylinders, total 3907008688 sectors
Units = sectors of 1 * 512 = 512 bytes
Disk identifier: 0x00000000

Device Boot Start End Blocks Id System
/dev/hdg1 2 4096001 2048000 83 Linux
Partition 1 does not end on cylinder boundary.
/dev/hdg2 4096002 4608001 256000 82 Linux swap / Solaris
Partition 2 does not end on cylinder boundary.
/dev/hdg3 4608002 3906992305 1951192152 5 Extended
/dev/hdg5 4608003 3906992305 1951192151+ 8e Linux LVM

Disk /dev/hdi: 2000.3 GB, 2000388448256 bytes
255 heads, 63 sectors/track, 243200 cylinders, total 3907008688 sectors
Units = sectors of 1 * 512 = 512 bytes
Disk identifier: 0x00000000
--------------------------------------------------

mab45 wrote:
I was not aware that adding the 1GB Memory was not supported. If you think removing the module might help, I'd be happy to try that. Please comment.

If it is compatible it will increase a bit in speed. However if there is any data corruption due to incompatible memory tech support will be unable to help recover that data.

mab45 wrote:
Also, I did notice there was a 4.1.9-T2 beta firmware that people were having some success with, so I updated mine. IOMeter still shows Read 4MB/s and Write 11MB/ps..

Stay on 4.1.9-T2

mab45 wrote:

And here's a copy of my partition.log -- (THANKS in advance for any help!) ------------------------- Disk /dev/hdi doesn't contain a valid partition table Disk /dev/hdc: 2000.3 GB, 2000388448256 bytes 255 heads, 63 sectors/track, 243200 cylinders, total 3907008688 sectors Units = sectors of 1 * 512 = 512 bytes Disk identifier: 0x00000000 Device Boot Start End Blocks Id System /dev/hdc1 2 4096001 2048000 83 Linux Partition 1 does not end on cylinder boundary. /dev/hdc2 4096002 4608001 256000 82 Linux swap / Solaris Partition 2 does not end on cylinder boundary. /dev/hdc3 4608002 3906992305 1951192152 5 Extended /dev/hdc5 4608003 3906992305 1951192151+ 8e Linux LVM Disk /dev/hde: 2000.3 GB, 2000388448256 bytes 255 heads, 63 sectors/track, 243200 cylinders, total 3907008688 sectors Units = sectors of 1 * 512 = 512 bytes Disk identifier: 0x00000000 Device Boot Start End Blocks Id System /dev/hde1 2 4096001 2048000 83 Linux Partition 1 does not end on cylinder boundary. /dev/hde2 4096002 4608001 256000 82 Linux swap / Solaris Partition 2 does not end on cylinder boundary. /dev/hde3 4608002 3906992305 1951192152 5 Extended /dev/hde5 4608003 3906992305 1951192151+ 8e Linux LVM Disk /dev/hdg: 2000.3 GB, 2000388448256 bytes 255 heads, 63 sectors/track, 243200 cylinders, total 3907008688 sectors Units = sectors of 1 * 512 = 512 bytes Disk identifier: 0x00000000 Device Boot Start End Blocks Id System /dev/hdg1 2 4096001 2048000 83 Linux Partition 1 does not end on cylinder boundary. /dev/hdg2 4096002 4608001 256000 82 Linux swap / Solaris Partition 2 does not end on cylinder boundary. /dev/hdg3 4608002 3906992305 1951192152 5 Extended /dev/hdg5 4608003 3906992305 1951192151+ 8e Linux LVM Disk /dev/hdi: 2000.3 GB, 2000388448256 bytes 255 heads, 63 sectors/track, 243200 cylinders, total 3907008688 sectors Units = sectors of 1 * 512 = 512 bytes Disk identifier: 0x00000000 --------------------------------------------------

Please use code tags as I just did quoting you when posting logs. Makes it easier to read posts.

As I suspected you last did a factory reset on RAIDiator 4.1.6 or earlier. You do not have 4k sector alignment. A lack of 4k sector alignment when you have 4k sector disks (which you do) will lead to performance issues.

Before further troubleshooting can take place, I would recommend you backup your data and do a factory default (note this wipes all data, settings, everything) via System > Update > Factory Default in Frontview.

As I suspected you last did a factory reset on RAIDiator 4.1.6 or earlier. You do not have 4k sector alignment. A lack of 4k sector alignment when you have 4k sector disks (which you do) will lead to performance issues. Before further troubleshooting can take place, I would recommend you backup your data and do a factory default (note this wipes all data, settings, everything) via System > Update > Factory Default in Frontview.

Excellent, that sounds very promising. Do you have any good tricks/suggestions for how to backup 1.94TB of data? I know that may sound like a silly question and I know it's not your problem, but I guess I'm just wondering if I need to find a friend that has an extra 2TB drive? or maybe there's simpler way?

That would be best. Backing up to a 2TB drive in your PC, connected to your PC or to a USB disk directly connected to the ReadyNAS. If directly connected to the ReadyNAS I would suggest
1. Enable Fast USB writes: http://www.readynas.com/kb/faq/performance/how_do_i_improve_write_speeds_of_usb_external_drive_attached_to_readynas
2. Format disk under Volumes > USB Storage to use EXT3

Please do remember that RAID is not a backup. Data stored on a single device is not backed up. RAID provides high-availability/redundancy not backup. If a single disk fails in your X-RAID array data remains intact. If you primarily store important data on the ReadyNAS you should backup that data regularly. Have a read of Preventing Catastrophic Data Loss

Some like me backup NAS to NAS, but it really does depend on how much data is important to you what you choose to use.

Oh boy. I appreciate your help mdgm, but I'm a little shocked right now and disturbed by my results. I spent the past 10 days doing a full 1.8TB backup, followed by a factory reset (using frontview) of my NAS using the newest beta firmware, followed by a full data restore. And yes, these processes took 10 full days. But, at the hopes of actually being able to use my NAS for its intended purpose, that's a very small amount of time in the grand scheme.

Everything finished and I performed an IOMeter test. Read 6Mbps and Write 13Mbps ?!?!? I'm happy to post any information from these IOMeter Excel documents (I followed the Netgear troubleshooting IOMeter instructions).

Please help. Thanks in advance

Here's my latest partition.log

Disk /dev/hdi doesn't contain a valid partition table

Disk /dev/hdc: 2000.3 GB, 2000388448256 bytes
255 heads, 63 sectors/track, 243200 cylinders, total 3907008688 sectors
Units = sectors of 1 * 512 = 512 bytes
Disk identifier: 0x00000000

   Device Boot      Start         End      Blocks   Id  System
/dev/hdc1              32     4096031     2048000   83  Linux
Partition 1 does not end on cylinder boundary.
/dev/hdc2         4096032     4608031      256000   82  Linux swap / Solaris
Partition 2 does not end on cylinder boundary.
/dev/hdc3         4608032  3906992335  1951192152    5  Extended
/dev/hdc5         4608040  3906992335  1951192148   8e  Linux LVM

Disk /dev/hde: 2000.3 GB, 2000388448256 bytes
255 heads, 63 sectors/track, 243200 cylinders, total 3907008688 sectors
Units = sectors of 1 * 512 = 512 bytes
Disk identifier: 0x00000000

   Device Boot      Start         End      Blocks   Id  System
/dev/hde1              32     4096031     2048000   83  Linux
Partition 1 does not end on cylinder boundary.
/dev/hde2         4096032     4608031      256000   82  Linux swap / Solaris
Partition 2 does not end on cylinder boundary.
/dev/hde3         4608032  3906992335  1951192152    5  Extended
/dev/hde5         4608040  3906992335  1951192148   8e  Linux LVM

Disk /dev/hdg: 2000.3 GB, 2000388448256 bytes
255 heads, 63 sectors/track, 243200 cylinders, total 3907008688 sectors
Units = sectors of 1 * 512 = 512 bytes
Disk identifier: 0x00000000

   Device Boot      Start         End      Blocks   Id  System
/dev/hdg1              32     4096031     2048000   83  Linux
Partition 1 does not end on cylinder boundary.
/dev/hdg2         4096032     4608031      256000   82  Linux swap / Solaris
Partition 2 does not end on cylinder boundary.
/dev/hdg3         4608032  3906992335  1951192152    5  Extended
/dev/hdg5         4608040  3906992335  1951192148   8e  Linux LVM

Disk /dev/hdi: 2000.3 GB, 2000388448256 bytes
255 heads, 63 sectors/track, 243200 cylinders, total 3907008688 sectors
Units = sectors of 1 * 512 = 512 bytes
Disk identifier: 0x00000000

Do you still get this performance with the stock memory?

Is this via a direct-connection with a known working Cat5e or newer ethernet cable?

Are the NIC drivers in your PC up to date?

mdgm wrote:
Do you still get this performance with the stock memory?

I just swapped back to my stock 256MB memory, and new speeds are Read 16Mbps and Write 22Mbps

Is this via a direct-connection with a known working Cat5e or newer ethernet cable?

Yes

Are the NIC drivers in your PC up to date?

Yes

And just for the record, after resetting the device, I've had similar speeds to this in the past, but then they reduce significantly to 6-12Mbp/s within 24 hours.

If they remain the same 16/22 Mbps speeds, am I supposed to be okay with that? Are my drives 4k aligned properly based upon my partition.log?

While sitting here, waiting for more ideas, I ran a couple more IOMeter tests...

Read 36Mbps
Write 22Mbps

Hmmmmmm.... I would be okay with this. Thoughts?

That looks pretty good. Perhaps your 1GB memory module is bad or incompatible.