Re: Suddenly frozen fcntl/stat call on NFS over TCP with MTU 9000

2008-09-16 Thread Tim Chen
On Tue, Sep 16, 2008 at 4:06 AM, John Baldwin [EMAIL PROTECTED] wrote: On Monday 15 September 2008 11:57:02 am Tim Chen wrote: Currently I was running a mail server using a netapp filer as backend storage. From time to time, the whole system get stuck and lasted for 3-5 minutes. But

Re: Suddenly frozen fcntl/stat call on NFS over TCP with MTU 9000

2008-09-16 Thread John Baldwin
On Tuesday 16 September 2008 02:02:14 am Tim Chen wrote: On Tue, Sep 16, 2008 at 4:06 AM, John Baldwin [EMAIL PROTECTED] wrote: On Monday 15 September 2008 11:57:02 am Tim Chen wrote: Currently I was running a mail server using a netapp filer as backend storage. From time to time,

Suddenly frozen fcntl/stat call on NFS over TCP with MTU 9000

2008-09-15 Thread Tim Chen
Currently I was running a mail server using a netapp filer as backend storage. From time to time, the whole system get stuck and lasted for 3-5 minutes. But after that, everything recovers normally. During the stuck moment, using ps auxw shows 200-300 of mail delivery agent(MDA) processes staying

Re: Suddenly frozen fcntl/stat call on NFS over TCP with MTU 9000

2008-09-15 Thread John Baldwin
On Monday 15 September 2008 11:57:02 am Tim Chen wrote: Currently I was running a mail server using a netapp filer as backend storage. From time to time, the whole system get stuck and lasted for 3-5 minutes. But after that, everything recovers normally. During the stuck moment, using ps