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Server slowness when connected to the network

Posted on 2011-03-08
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Last Modified: 2013-11-11
Hi All

I am literally dumbfounded by this. Server was working fine to all of a sudden one day, everything on the Xserve decided to run ridiculously slow and crash at times. I am running slow leopard 10.6.5 and basically any task will run slow, from exploring through finder to launching and configuring server admin.
However as soon as you disconnect the server from the network, things will speed up to normal.
I confirmed it wasn't the network interfaces (eth0 eth1) both having manual IPs however tried picking one up off DHCP, still no better. Disabled the running services (AFP, MYSQL, NETBOOT, NFS, SMB, Server Updates, WEB) DNS server is on a WIndows platform which seems to be running fine. I've cloned the OS and ran it off a ext HDD and had the same issue, I've upgraded RAM to 10GB still no change.
Open Directory is running on this system however all macbooks authenticate through AD.
System log hasn't really helped, I tried to do an update however it keeps "halting".
Haven't tried a repair install just worried about the outcome, the server is mainly used for Web hosting, file sharing and managing macbooks.

Not sure where else to go would appreciate any help, and also I am a rookie so please go easy 0:-)

Thanks
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Question by:ProphecY01
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6 Comments
 
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Expert Comment

by:nappy_d
ID: 35068690
Let's start at the bottom. Can you/have you repaired your disk permissions and check your disks lately?

If not, can you do this using your disk utility?
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Expert Comment

by:gmbaxter
ID: 35072930
Is this server the open directory master in a golden/magic triangle (AD-OD) setup ?
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Author Comment

by:ProphecY01
ID: 35074908
Hi

Yes done repairs, the server is an OD master which binds to AD. AD is used to authenticate users not OD, OD was used when the server was running panther however since leopard whilst the service is on its not really used. And I've tried unbinding from AD.. no change
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LVL 32

Expert Comment

by:nappy_d
ID: 35074988
How much RAM, what's the processor speedn how much free diskapce is available?

If you run the command "top" from the terminal, do you see any high utilization?

Also 10.6.6 is out, have you tried updating?
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Accepted Solution

by:
ProphecY01 earned 0 total points
ID: 35076776
Hi

Thanks for your input, i've figured it out, was to do with DNS
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Author Closing Comment

by:ProphecY01
ID: 35120728
self resolved
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