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Forum Discussion
ReadyNAS NV+ Seems really slow
I just bought a ReadyNAS NV+ 2x750 and am trying to transfer all of my data from a raid array to it so I can retire my old server. First I tried to use EMC to get all the files over to the NAS, but...
I just managed to DOUBLE my abysmal speeds up to simply horrible speeds. :-P
i.e. instead of 1MB/s I'm not getting around 2MB/s. Still, this is only 1/100 the expected speed over a 1gbps ethernet. Something must be broken with my NV+. :-(
YES, both NV+ and Mac report gigabit speeds and proper configurations, no jumbo frames, 1500MTU everywhere, only ONE gigabit ethernet switch between them now (Apple Time Capsule), all BRAND NEW and tested Cat6 cables....
I noticed on the NV+ during rsync from there to my Mac, that in "top" that ssh was burning something around 80% of CPU! So I edited /etc/frontview/rsync/Shares.conf to share /c instead of /c/backup. This allows me to run rsync client on my Mac, not on the NV+, and NOT using ssh! The secret code is double colon ::
rsync -av --progress root@ReadyNAS::c /Volumes/manyTBdrive/ReadyNAS.archive
Without the double colon, and the edited Shares.conf file you have to engage ssh to pipe the rsync data, and that apparently is just too much for the poor pitiful little Sparc engine in the NV+.
the normal rsync syntax that engages ssh and bogs things down ever further would be something like:
rsync -av --progress root@ReadyNAS:/c /Volumes/manyTBdrive/ReadyNAS.archive
Ok, so it's taken something like TWO WEEKS to archive 2.5TB. At this new speed (actually averaging about 2.2MB/s) I have 1.2TB more to go, it looks like one MORE WEEK. ((((1.2 * (10^12)) / (2.2 * (10^6))) / 60) / 60) / 24 = 6.31313131days
I'm going to go cry.
<edit>
Lichon: please try copying a few GB of big and small files using rsync, both via ssh and not, and let me know your speeds. Thanks.
<PS edit more>
Woot! I'm transiently up to a whopping 3MB/s! :-P I suspect turning off even NFS (ALL other services were already disabled) may have given NV+ a hair more power. What do y'all think? Is this just wrong? Will factory reset fix this once (if) I get all my data off? X-fingers Xraid :-P
i.e. instead of 1MB/s I'm not getting around 2MB/s. Still, this is only 1/100 the expected speed over a 1gbps ethernet. Something must be broken with my NV+. :-(
YES, both NV+ and Mac report gigabit speeds and proper configurations, no jumbo frames, 1500MTU everywhere, only ONE gigabit ethernet switch between them now (Apple Time Capsule), all BRAND NEW and tested Cat6 cables....
I noticed on the NV+ during rsync from there to my Mac, that in "top" that ssh was burning something around 80% of CPU! So I edited /etc/frontview/rsync/Shares.conf to share /c instead of /c/backup. This allows me to run rsync client on my Mac, not on the NV+, and NOT using ssh! The secret code is double colon ::
rsync -av --progress root@ReadyNAS::c /Volumes/manyTBdrive/ReadyNAS.archive
Without the double colon, and the edited Shares.conf file you have to engage ssh to pipe the rsync data, and that apparently is just too much for the poor pitiful little Sparc engine in the NV+.
the normal rsync syntax that engages ssh and bogs things down ever further would be something like:
rsync -av --progress root@ReadyNAS:/c /Volumes/manyTBdrive/ReadyNAS.archive
Ok, so it's taken something like TWO WEEKS to archive 2.5TB. At this new speed (actually averaging about 2.2MB/s) I have 1.2TB more to go, it looks like one MORE WEEK. ((((1.2 * (10^12)) / (2.2 * (10^6))) / 60) / 60) / 24 = 6.31313131days
I'm going to go cry.
<edit>
Lichon: please try copying a few GB of big and small files using rsync, both via ssh and not, and let me know your speeds. Thanks.
<PS edit more>
Woot! I'm transiently up to a whopping 3MB/s! :-P I suspect turning off even NFS (ALL other services were already disabled) may have given NV+ a hair more power. What do y'all think? Is this just wrong? Will factory reset fix this once (if) I get all my data off? X-fingers Xraid :-P
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