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Forum Discussion
NV+ V2 stalling when 80%+ full (20047616)
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'v...
holly hell... what a loser...
yes 10-15% free is nice IF you wish to defrag the volume with speed. but at worst you might loose some read/write speed the unit should not crash or refuse to write data.
I've been doing my own research into the issue and have found a few settings that I'm currently trying out. Some of the info I’ve come across is from 2011 or earlier. NETGEAR are using kernel 2.6.31.8.nv+v2 for these units. So for some reason they've had to customise a very old kernel that is no longer supported by kernel.org.
http://administratosphere.wordpress.com ... -sync-bug/ suggests that to work around this same kind of issue that you should upgrade to kernel 2.6.37... and that was 2011! we are up to kernel 3.8.5 in the stable branch... I'm sure IFit's a kernel/ext4 fs bug that it should be fixed within the newer kernels.
Also other NAS provider THECUS came across this same issue and came up with a workaround that help with their units http://forum.thecus.com/viewtopic.php?f=11&t=3959 even they were using newer kernel back then than NETGEAR are currently using on this device.
Currently I'm waiting for my NAS to fill up to faulty point again to see the effects of changing the IO Scheduler on the dm-0 disk device and the max_writeback_mb_bump setting.
I shouldn't be having to do this to a device that has been sold “fit” for a purpose of saving files. I've got another NAS unit here from iomega that allows me to fill the drive to 100% without any issues, why can't NETGEAR??
yes 10-15% free is nice IF you wish to defrag the volume with speed. but at worst you might loose some read/write speed the unit should not crash or refuse to write data.
I've been doing my own research into the issue and have found a few settings that I'm currently trying out. Some of the info I’ve come across is from 2011 or earlier. NETGEAR are using kernel 2.6.31.8.nv+v2 for these units. So for some reason they've had to customise a very old kernel that is no longer supported by kernel.org.
http://administratosphere.wordpress.com ... -sync-bug/ suggests that to work around this same kind of issue that you should upgrade to kernel 2.6.37... and that was 2011! we are up to kernel 3.8.5 in the stable branch... I'm sure IFit's a kernel/ext4 fs bug that it should be fixed within the newer kernels.
Also other NAS provider THECUS came across this same issue and came up with a workaround that help with their units http://forum.thecus.com/viewtopic.php?f=11&t=3959 even they were using newer kernel back then than NETGEAR are currently using on this device.
Currently I'm waiting for my NAS to fill up to faulty point again to see the effects of changing the IO Scheduler on the dm-0 disk device and the max_writeback_mb_bump setting.
I shouldn't be having to do this to a device that has been sold “fit” for a purpose of saving files. I've got another NAS unit here from iomega that allows me to fill the drive to 100% without any issues, why can't NETGEAR??
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