i've recently purchased one of the Netgear ReadyNAS NV+ V2 units and have become very unhappy with it. it started out ok and could copy files to it at good rate, now that the unit is over 80% full i've been coming accross the smbd stall on IO Wait issue that seems to plague this unit :(after coming to these fourms i found that there are many other users with the same issues and none of the solutions they have had for them posted around converting to EXT3 has made the copy issues any better for me.i have linked the other topics i could find with same issues that have been plagueing me so far. i have logged a support case (20047616) with netgear but their "remote access policy" is very bad and i can't agree to it. viewtopic.php?f=21&t=63992 viewtopic.php?f=21&t=64739 viewtopic.php?f=21&t=67310 viewtopic.php?f=21&t=66731

Converting to EXT3 helps, does it? And what do you do if you already have all your disks in EXT3???!!!Netgear have never impressed me on quality nor performance, but the Sw engineering quality control really hits the bottom. Have they ever heard of version control? Have in gods name can an old bug pass through to a subsequent release - albeit a Beta???!!!This was the final blow for me- getting in to my car to go and by a Synology or Qnap - whatever bet never again Netgear and Readynas!

Converting to EXT3 will help. Again thank you NETGEAR for quality control.You need to download your data because it will be wiped (from what I've been told). Yes, you need to give them root OR add drives to get below 80%.. I did both ...

I'm looking into this issue, from the logs I see that you converted to ext3 yourself, and you're still running into the issue, right? I'm chasing down a few things, could you confirm, are you storing a large amount of small files on the device (checked volume stat, if my math is correct, average of 3.5MB per file)?Are you only using CIFS/SMB to copy files to the NAS?

Skywarp wrote:I'm looking into this issue, from the logs I see that you converted to ext3 yourself, and you're still running into the issue, right? I'm chasing down a few things, could you confirm, are you storing a large amount of small files on the device (checked volume stat, if my math is correct, average of 3.5MB per file)?Are you only using CIFS/SMB to copy files to the NAS?I have same problems... converting volume to ext3 solve everything. This problem is related only to filesystem itself not to anything else.This is propably kernel bug, somewhere at journaling code. I found it on Synology and QNAP forums and people are very angry because of this.There's nothing in logs only IOWaits raises to 100% after any write is performed and system is not responsive for some seconds/speed drops to 10MB/s or lower.Maybe disabling journaling in ext4 can help, but I don't trust this filesystem for now.I saw this problem when volume is aprox. 85% full and I have a lot small files on it.When you format ext3 volume you can switch to ext4 driver and in that situation everything goes wrong.Journal must be recreated while you are going back to ext3 - if not, ext3 have same problems as ext4 (100% IOWaits).Perfomace with nearly full volume on ext3 is ~50MB/s write ~80MB/s read - not bad for ARM platform.

Skywarp wrote:I'm looking into this issue, from the logs I see that you converted to ext3 yourself, and you're still running into the issue, right? I'm chasing down a few things, could you confirm, are you storing a large amount of small files on the device (checked volume stat, if my math is correct, average of 3.5MB per file)?Are you only using CIFS/SMB to copy files to the NAS?yeah i converted to ext3 myself "mkfs.ext3 -m 0 /dev/c/c" and still have the issue, last night i upgraded to 5.3.7 as it adds an option in the web GUI to disable write caching and am trying to fill drive again past 80% and hopefully to 99% but am not very hopefull.yeah im fairly sure most of my files are farily small, only a few larger files. im only using CIFS/SMB to copy via the lan, im using rsync for some remote backup from another site to here.have been trying to figgure out if NCQ is enabled on the device as `cat /sys/block/sda/device/queue_depth` results "31" (suggesting it's on) and trying to set it to "1" results in error.also trying to figgure out why/how to stop the segate drives "chirping" as they load/unload the heads periodaccly as after ~1month my Load Cycle Count is over 10k for each drive as reported in smart.EDIT:Currently with firmware 5.3.7 and write cache turned off via the GUI i've managed to copy about 180gb more to the drive with some acceptable speed but after that mark im getting about 1minute of IO Wait before starting to copy a file and then more IO Wait during copying the file to the drive. the test set of data have files between 1gb to 3gb files. currently at about 875GB free space reported.

NV+ V2 stalling when 80%+ full (20047616)

197 Replies

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hauser1
Aspirant
May 08, 2013
tarkeen wrote:
That no fix. Do factory default mean all data loss. When you have proper fix ready? 5.3.8 T21? 5.3.9?

yes factory default's mean total data loss, you would have to backup and restore it each time it gets to the issue full % according to that post... NOT GOOD NETGEAR not good at all!

From the tone of the post I highly doubt a T21 or even a 5.3.9 that might actually fix the issue. if you can get your unit returned for refund if your country has laws protecting you from bad products like this one. within 1-2 days I hope to have my money refunded for this unit.

tarkeen wrote:
That no fix. Do factory default mean all data loss. When you have proper fix ready? 5.3.8 T21? 5.3.9?

Zaim

Aspirant

May 08, 2013

de niro wrote:
Actually 5.3.8-T20 is able to fix this issue,we've merged all patches in but..... if it doesn't work for you,please backup data and factory default your volume,the reason is your volume could be badly fragmented and the file system needs to be rebuilt once again.

de niro wrote:
Actually 5.3.8-T20 is able to fix this issue,we've merged all patches in but..... if it doesn't work for you,please backup data and factory default your volume,the reason is your volume could be badly fragmented and the file system needs to be rebuilt once again.

I seriously hope that isn't needed. Can you at least give us an ETA ?

hauser1

Aspirant

May 08, 2013

Zaim wrote:
de niro wrote:
Actually 5.3.8-T20 is able to fix this issue,we've merged all patches in but..... if it doesn't work for you,please backup data and factory default your volume,the reason is your volume could be badly fragmented and the file system needs to be rebuilt once again.

I seriously hope that isn't needed. Can you at least give us an ETA ?

an ETA for 5.3.8-T20? it's available over here. if it's a when will netgear have a working patch, I wouldn't hold my breath on that one.

Zaim

Aspirant

May 08, 2013

hauser wrote:
Zaim wrote:
de niro wrote:
Actually 5.3.8-T20 is able to fix this issue,we've merged all patches in but..... if it doesn't work for you,please backup data and factory default your volume,the reason is your volume could be badly fragmented and the file system needs to be rebuilt once again.

I seriously hope that isn't needed. Can you at least give us an ETA ?

an ETA for 5.3.8-T20? it's available over here. if it's a when will netgear have a working patch, I wouldn't hold my breath on that one.

Hmm so its out already, wonder why netgear support haven't sent me this.

hauser1

Aspirant

May 09, 2013

Zaim wrote:
hauser wrote:

an ETA for 5.3.8-T20? it's available over here. if it's a when will netgear have a working patch, I wouldn't hold my breath on that one.

Hmm so its out already, wonder why netgear support haven't sent me this.

netgear don't seem to like to have patches go out to everyone that's having an issue at the same time & keep you in the dark for ages.

they've gone sometimes more than a week between update messages to me in the support system, i've had more support from other consumers and community forum admin's than actual netgear employee's during the time I've had this issue.

hauser1

Aspirant

May 13, 2013

I'm no rocket scientist but clearly there is something I'm just not understanding, can anyone spot what's wrong with their updates to me?

4/22/2013 11:29:00 PM
Notes added by 56018
Mr. Hauser,

This is Erick again and I am following up on your support case.

Please download the beta firmware using the link below and install it on the NAS:

https://dl.dropboxusercontent.com/u/215 ... -5.3.8-T20

Please let us know of the outcome.

XXXXX
NETGEAR support

5/13/2013 4:23:00 AM
Notes added by 56018
Case Number: 20047616

Dear Mr. Hauser,

Can you please try to upload the firmware by downloading it on the link below:

https://dl.dropboxusercontent.com/u/215 ... -5.3.8-T20

XXXXX
NETGEAR support

StephenB
Guru - Experienced User
May 13, 2013
Did you try right-clicking ("save as") and adding a .bin extension to the file name?
pec
Aspirant
May 13, 2013
Is this genuine? Has anyone tried it?
hauser1
Aspirant
May 13, 2013
StephenB wrote:
Did you try right-clicking ("save as") and adding a .bin extension to the file name?

Maybe I was a bit to subtle with my post, on "4/22/2013 11:29:00 PM" I was asked to download 5.3.8-T20 and again on "5/13/2013 4:23:00 AM" I was asked to download 5.3.8-T20... didn't help the first time I downloaded/applied the firmware doubt it would help again now.
pec
Aspirant
May 13, 2013
:lol: Thanks

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NV+ V2 stalling when 80%+ full (20047616)

197 Replies

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