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Forum Discussion
ReadyNAS NV+ hangs during file copy/move
I'm setting up a new ReadyNAS NV+ with my MacBook and am experiencing constant hangs or freezes trying to copy/move files between shares on the NV+. When I first set up the NV+ (which is running th...
I have two Macs both running Mac OS X 10.5.6 - an older iMac 17" Core Duo, and a brand spankin' new Mac Pro 2009 Quad Core 2.66GHz. The iMac doesn't support Jumbo Frames and has its MTU set to 1500, and the Mac Pro supports Jumbo Frames and has its MTU set to 9000. I have Cat6 cabling over a short distance (w/in 10 feet), which sees a fairly marginal improvement over Cat5e.
On the ReadyNAS NV+ (Firmware RAIDiator 4.1.4 [1.00a042] with 32% of 918 GB used), I have jumbo frames enabled, along with having disabled full data journaling, disable journaling, optimize for OS X and Enable fast CIFS writes. I also recently upgraded to 1GB with an approved Crucial SO-DIMM from Amazon.
When all three devices were connected on the same hardware compatibility list-approved (wired) gigabit ethernet switch with jumbo frame support - NetGear GS608 v2, both Macs experience the AFP-mounted shares Finder hang problem as discussed in this thread. This requires turning the power switch off in order to restart the Macs.
However when all three devices are connected to my non-listed D-Link DGS-2208 rev C1 gigabit switch with jumbo frame support, I don't encounter the AFP share Finder hang problem!!! :shock:
Here's some comparative performance numbers when, copying larger AVI files (700MB - 2GB):
My drives:
Disk 1 WDC WD5001ABYS-01YNA0 465 GB , 45 C / 113 F , Write-cache ON OK
Disk 2 WDC WD5001ABYS-01YNA0 465 GB , 47 C / 116 F , Write-cache ON OK
Disk 3 Seagate ST3500630AS 465 GB , 47 C / 116 F , Write-cache ON
Using AFP, before doing a backup-delete-restore from the ReadyNAS to an external drive (and my media files were very likely fragmented, since the ReadyNAS was 85% filled to capacity with frequent backups and file xfers), I was getting the following performance (shown by MenuMeters):
Mac Pro - 12 to 20 MB/s, with sustained bursts between 35 to 40 MB/s
iMac - 8 to 15 MB/s, with sustained bursts between 20 to 30 MB/s
Using AFP, after backup-delete-restoring to defragment my files, I have started getting the following speeds:
Mac Pro - 25 to 35 MB/s, with sustained bursts between 45 to 60 MB/s
iMac - 15 to 20 MB/s, with sustained bursts between 25 to 35 MB/s
On the Netgear GS608 switch, because of Mac OS X 10.5.6, I was forced to use SMB/CIFS sharing (and before defragmenting), where my Mac Pro only saw 8 to 15 MB/s with bursts up to 25 MB/s.
I'm just glad I had two different gigabit switches and thought to try swapping them out! Has anyone else had any success with different switches?
On the ReadyNAS NV+ (Firmware RAIDiator 4.1.4 [1.00a042] with 32% of 918 GB used), I have jumbo frames enabled, along with having disabled full data journaling, disable journaling, optimize for OS X and Enable fast CIFS writes. I also recently upgraded to 1GB with an approved Crucial SO-DIMM from Amazon.
When all three devices were connected on the same hardware compatibility list-approved (wired) gigabit ethernet switch with jumbo frame support - NetGear GS608 v2, both Macs experience the AFP-mounted shares Finder hang problem as discussed in this thread. This requires turning the power switch off in order to restart the Macs.
However when all three devices are connected to my non-listed D-Link DGS-2208 rev C1 gigabit switch with jumbo frame support, I don't encounter the AFP share Finder hang problem!!! :shock:
Here's some comparative performance numbers when, copying larger AVI files (700MB - 2GB):
My drives:
Disk 1 WDC WD5001ABYS-01YNA0 465 GB , 45 C / 113 F , Write-cache ON OK
Disk 2 WDC WD5001ABYS-01YNA0 465 GB , 47 C / 116 F , Write-cache ON OK
Disk 3 Seagate ST3500630AS 465 GB , 47 C / 116 F , Write-cache ON
Using AFP, before doing a backup-delete-restore from the ReadyNAS to an external drive (and my media files were very likely fragmented, since the ReadyNAS was 85% filled to capacity with frequent backups and file xfers), I was getting the following performance (shown by MenuMeters):
Mac Pro - 12 to 20 MB/s, with sustained bursts between 35 to 40 MB/s
iMac - 8 to 15 MB/s, with sustained bursts between 20 to 30 MB/s
Using AFP, after backup-delete-restoring to defragment my files, I have started getting the following speeds:
Mac Pro - 25 to 35 MB/s, with sustained bursts between 45 to 60 MB/s
iMac - 15 to 20 MB/s, with sustained bursts between 25 to 35 MB/s
On the Netgear GS608 switch, because of Mac OS X 10.5.6, I was forced to use SMB/CIFS sharing (and before defragmenting), where my Mac Pro only saw 8 to 15 MB/s with bursts up to 25 MB/s.
I'm just glad I had two different gigabit switches and thought to try swapping them out! Has anyone else had any success with different switches?
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