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Forum Discussion
ReadyNAS Duo suddenly very slow to copy
I'm not sure if this is a Mac issue or not and if it is, maybe it's just a problem with Yosemite.
I don't really know when it started as I may have been copying smaller files without really noticing a change in speed but in the last few weeks I have noticed a significant drop in copying speed from my ReadyNAS Duo (v1) to my MacBook Pro I am currently copying a folder with 5.24 GB of data and Finder says it will take 48 minutes. Not so long ago, it would have taken about ten minutes.
I have rebooted everything several times, Mac, Router (Netgear DGND3300 v2) and the ReadyNAS Duo. I'm pretty certain that it is neither the Mac's write speed or the router's transfer rate as performance in other areas has not changed.
It could have started when I updated to OS X 10.10/10.10.1.
I'd be very grateful for any advice.
I don't really know when it started as I may have been copying smaller files without really noticing a change in speed but in the last few weeks I have noticed a significant drop in copying speed from my ReadyNAS Duo (v1) to my MacBook Pro I am currently copying a folder with 5.24 GB of data and Finder says it will take 48 minutes. Not so long ago, it would have taken about ten minutes.
I have rebooted everything several times, Mac, Router (Netgear DGND3300 v2) and the ReadyNAS Duo. I'm pretty certain that it is neither the Mac's write speed or the router's transfer rate as performance in other areas has not changed.
It could have started when I updated to OS X 10.10/10.10.1.
I'd be very grateful for any advice.
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- On a mac, you do it from the terminal window, no need for putty. I believe the command is
ssh -l root nasname
The NAS IP address can be used instead of the name. - Putty sounds familiar but I'm on a Mac and a quick web search says that instead of PuTTY to use Terminal. I enter https://192.168.0.2 but just get an error saying no such file or directory. If I enter 192.168.0.2 I get command not found.
[edit] I was typing when you posted about Terminal. - Yes, I edited my post, forgot you had a mac
Did you try the line StephenB suggested? ssh root@ip.address.of.nas
- Output:
ReadyNAS:~# df -h
Filesystem Size Used Avail Use% Mounted on
/dev/hdc1 1.9G 868M 1.0G 44% /
tmpfs 16k 0 16k 0% /USB
/dev/c/c 1.8T 877G 976G 48% /c
/c/backup 1.8T 877G 976G 48% /home/ftp/backup
/c/media 1.8T 877G 976G 48% /home/ftp/media
/dev/sda1 1.8T 1.4T 515G 73% /USB/O-Data
/USB/O-Data 1.8T 1.4T 515G 73% /home/ftp/O-Data
ReadyNAS:~# df -i
Filesystem Inodes IUsed IFree IUse% Mounted on
/dev/hdc1 128000 14543 113457 12% /
tmpfs 7073 2 7071 1% /USB
/dev/c/c 61014016 167778 60846238 1% /c
/c/backup 61014016 167778 60846238 1% /home/ftp/backup
/c/media 61014016 167778 60846238 1% /home/ftp/media
/dev/sda1 540841804 64583 540777221 1% /USB/O-Data
/USB/O-Data 540841804 64583 540777221 1% /home/ftp/O-Data - Ok so it's not that.
Direct connection.
Test disks - thoroughly with vendor tools. - I'm afraid I can't do the ethernet check now as it's involves turmoil and I have to get up very early tomorrow for a probable long busy day. I'll do it later tomorrow and check in.
- I'm interested in this as well. I have been a long time Duo user and have observed terrible file copy/transfer speeds in OSX while Windows works just fine. I have recently moved entirely to OSX only after seemingly finding a fix with the OSX SMB2 bug in Mavericks (seemingly fixed in Yosemite Beta) but the Yosemite full release seems to have put the bug back and now file transfer feeds are awful again. I have read the ReadyNas Performance threads and have seen minimal gain by tweaking network settings. MTU tinkering has yielded nothing. If anyone else has a fix for this, it would be greatly appreciated.
- There's no reason to think MTU would help. MTU is about the network, not about the OS.
Yosemite also supports NFS. Has anyone tried that?
http://support.apple.com/kb/PH18718
http://support.apple.com/kb/PH18705 - I have enabled NFS in Frontview and given Read/Write permissions all round but can't connect from my Mac.
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