Slow Network (SMB)

[Alan Lumley]

Is their a real fix to the slow SMB issues?

I have a few employees complaining about the speed of the SMB network shares.

We have around 4TB of data that gets accessed daily.

This is on a mixture of OS X versions.

 

[Kaveman]

I think the SMB library in Darwin is an open source project, you could check on their Forum.

 

[oldscribe]

Hi,

I can think of two possibilitys.
1) Could be a DNS issue. If the Macs are using DNS that was on a Netware server, try switching them to the Windows AD DNS.
Or
2) sudo syscti -w net.inet.tcp.delayed_ack=0



Plus of course if you select a file on a network share that uses an NTFS file system partition, extra Server Message Block (SMB) packets are sent on the wire. This behavior causes overall slow network performance.

Just my thoughts.

 

[Alan Lumley]

DNS is handled by the AD DC, so will try the sudo command.
And yeah is painstakingly slow and they are NTFS partition production server mapped drives that are causing the issue.

 

[oldscribe]

Hi,

Let us know how things go re terminal.

 

[Alan Lumley]

Didn't really make a difference, unfortunately. I also phoned Apple, who said host the data on an Apple server using AFP basically. Which was no use neither. Really has me stumped.

 

[Kaveman]

Apple server

I know there are lots of issues with approvals, but the MacMini makes a fantastic little headless server with highspeed storage via thunderbolt. No per seat costs, and all the services.

 

[oldscribe]

Hi,

Sorry terminal did not help was my best shot. I go with Kaveman, as i said the extra Server Message Block really does slow things down.

 

[Alan Lumley]

Thanks guys, appreciated.

However, I cannot change the server it is a main production server hosting ever changing files (around 8TB) for me to do that would cause a lot of downtime and losses. It is really not an option, especially with the fact that the production server needs to be on a Window's machine, unfortunately.