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[claus westerkamp]

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Derrick J Brashear schrieb:
> On Mon, 13 Dec 2004, David G Mcmurtrie wrote:
> 
>> We've installed cyrus imapd 2.1.17 on a 4-node Veritas cluster and we're
>> now testing it.  Our /var/imap filesystem is on a clustered filesystem.
>>
>> We noticed that all of the lmtpd processes are just sitting in a blocking
>> fcntl() call waiting for a lock on /var/imap/socket/lmtp.lock.  When we
>> run this in a clustered environment, each lmtpd is consuming CPU 
>> resources
>> while blocking.  In a non-clustered ufs environment they do not.
>>
>> Is there any reason that the lmtpd processes need to be serialized across
>> different nodes in a cluster?  If not, we'll just write these lock files
>> to local ufs space on each cluster node.
> 
> 
> i assume each node has its own address, and therefore you want the lmtp 
> locks to be per-node.
> 
>> While I'm on the subject, what is the purpose of
>> /var/imap/socket/imap.lock?
> 
> 
> which imapd gets to accept(). same deal, different daemon. it's all done 
> in master's service routines.
> 
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Claus Westerkamp
Systems Engineering

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