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Forum Discussion
Struggling With Low Speeds < 15MBps Over Gigabit
Hey Guys I have been having a major PITA regarding transfer speeds ever since I purchased my 'ReadyNas Ultra 4 Plus' in May 2011. Originally, I was only getting approx 5-6 MB/second and came to...
MTU issues aside, something else to consider. I see your maximum write transfers seem to top out near 30MB/sec...
On my Pro 4, I'll max out at about 30MB/sec writes to the NAS if Full data journaling is set to "ON" on the NAS. Just to clarify, this is with the settings "Disable full data journaling" UNCHECKED and I've got a full LACP teaming setup going on via a GS108Tv2 switch direct from the desktop PC to the NAS. No router in the mix. Disabling data journaling pushes average speeds (writes) up to 80MB/sec with burst speeds in excess of 100MB/sec. However it's recommended you only disable full data journaling IF you have a UPS connected. Read speeds from the NAS remain pretty constant regardless of the setting.
I'm not using Jumbo frames as I have wireless devices on the network and whenever they're connected, even without active transfers, it kills the benefit of having jumbo frames enabled in terms of speed for me, based on what I've witnessed.
The above may be part of, or nothing to do with the problems your having, but it's another thing to consider.
On my Pro 4, I'll max out at about 30MB/sec writes to the NAS if Full data journaling is set to "ON" on the NAS. Just to clarify, this is with the settings "Disable full data journaling" UNCHECKED and I've got a full LACP teaming setup going on via a GS108Tv2 switch direct from the desktop PC to the NAS. No router in the mix. Disabling data journaling pushes average speeds (writes) up to 80MB/sec with burst speeds in excess of 100MB/sec. However it's recommended you only disable full data journaling IF you have a UPS connected. Read speeds from the NAS remain pretty constant regardless of the setting.
I'm not using Jumbo frames as I have wireless devices on the network and whenever they're connected, even without active transfers, it kills the benefit of having jumbo frames enabled in terms of speed for me, based on what I've witnessed.
The above may be part of, or nothing to do with the problems your having, but it's another thing to consider.
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