[Pvfs2-developers] Problem with PINT_cached_config

Bradley W Settlemyer bradles at parl.clemson.edu
Wed Aug 2 16:02:50 EDT 2006


Murali fixed it.  Bad config file.  When I was using pvfs2-genconfig I 
must have somehow made a dedicated metaserver rather than just 2 data 
servers, which is what I was trying to do.

Sorry about the interruption.

Thanks
Brad


Bradley W Settlemyer wrote:
> Hello
> 
>   I'm having a problem with detecting the number of IO servers -- it 
> doesn't make any sense.  Here is a program sample:
> 
> bradles at speed:~:71> software/pvfs2/bin/pvfs2-cp pvfs2.patch 
> /parl/bradles/software/pvfs2/mnt/foo.3
> BWS: num_io: -1075277896
> BWS get_num_io: 1
> BWS - num_dfiles: 1
> bradles at speed:~:72>
> 
> I've added debug statements to the calls to 
> PINT_cached_config_get_num_io_servers and PINT_cached_config_get_num_dfiles
> 
> As you can see, the number of IO servers returned by 
> PINT_cached_config_get_num_io_servers is -1075277896??
> 
> To reproduce, copy a file larger than 64KB into a multiserver PVFS2 file 
> system and see if it places any data on the second server.  It should. 
> Otherwise the number of dfiles has been set to 1, even though it should 
> be 2 (at least according to my knowledge of PVFS2).
> 
> Is it possible I've screwed up my config files somehow?  I've attached 
> them, just to be certain.
> 
> Cheers,
> Brad
> 
> 
> ------------------------------------------------------------------------
> 
> <Defaults>
> 	UnexpectedRequests 50
> 	LogFile /tmp/pvfs2-server-nodes.log
> 	EventLogging server
> 	LogStamp datetime
> 	BMIModules bmi_tcp
> 	FlowModules flowproto_multiqueue
> 	PerfUpdateInterval 1000
> 	ServerJobBMITimeoutSecs 30
> 	ServerJobFlowTimeoutSecs 30
> 	ClientJobBMITimeoutSecs 300
> 	ClientJobFlowTimeoutSecs 300
> 	ClientRetryLimit 5
> 	ClientRetryDelayMilliSecs 2000
> </Defaults>
> 
> <Aliases>
> 	Alias node1 tcp://localhost:3334
> 	Alias node2 tcp://localhost:3335
> </Aliases>
> 
> <Filesystem>
> 	Name pvfs2-fs
> 	ID 67789810
> 	RootHandle 1048576
> 	<MetaHandleRanges>
> 		Range node2 4-2147483650
> 	</MetaHandleRanges>
> 	<DataHandleRanges>
> 		Range node1 2147483651-4294967297
> 	</DataHandleRanges>
> 	<StorageHints>
> 		TroveSyncMeta yes
> 		TroveSyncData no
> 	</StorageHints>
> </Filesystem>
> 
> 
> ------------------------------------------------------------------------
> 
> tcp://localhost:3334/pvfs2-fs /parl/bradles/software/pvfs2/mnt pvfs2 default 0 0
> 
> 
> ------------------------------------------------------------------------
> 
> StorageSpace /sandbox/bradles/pvfs2-storage-node1
> HostID "tcp://localhost:3334"
> LogFile /tmp/pvfs2-server-node1.log
> 
> 
> ------------------------------------------------------------------------
> 
> StorageSpace /sandbox/bradles/pvfs2-storage-node2
> HostID "tcp://localhost:3335"
> LogFile /tmp/pvfs2-server-node2.log
> 
> 
> ------------------------------------------------------------------------
> 
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