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Error numbers 25572,25574, 27001

Posted in 2004

Topics: General Discussion

ABDEL ARBAWY — — source: IIUG Forums & Mailing Lists

Hi We are currently using Informix Dynamic Server Version 7.31.UC4 on Unix SysV R4 MPRAS. We keep getting frequent Informix freezes on our server caused by the error numbers 25572,25574, 27001. In this state connections to the application fail: listener-thread: err = -25572: oserr = 4: errstr = : Network driver cannot bind a name to the port. listener-thread: err = -25574 :oserr = 24 : errstr =: Network driver cannot open the network device. listener-thread: err = -27001 :oserr = 0 : errstr =: Read error occurring during connection attempt Our NETTYPE is set as tlitcp,3,64,NET Need your help. Thanks,

↪ replying to ABDEL ARBAWY
Martin Fuerderer — — source: IIUG Forums & Mailing Lists

Hi, most likely you are running out of system resources. Especially check for the "number of open files", i.e. how many file descriptors can be in use concurrently. There may be a system wide limit and a per-process limit. I'm not sure about MPRAS, but probably these are kernel parameters. You can also check the normal limits ( use commands "ulimit" or "limit", depending on your shell). There's a hard and a soft limit, where the soft limit can be increased up to the hard limit by the user himself, and the hard limit can only be increased by user "root". Normally this should not be the problem, but I've seen cases where it was, so you might want to check this as well. Regards, Martin -- Martin Fuerderer IBM Informix Development Munich, Germany Data Management Solutions forum.subscriber@iiug.org wrote on 07.12.2004 16:46:00: > Hi > > We are currently using Informix Dynamic Server Version 7.31.UC4 on Unix SysV R4 MPRAS. > We keep getting frequent Informix freezes on our server caused by the > error numbers 25572,25574, 27001. In this state connections to the application > fail: > > listener-thread: err = -25572: oserr = 4: errstr = : Network driver > cannot bind a name to the port. > > listener-thread: err = -25574 :oserr = 24 : errstr =: Network driver cannot > open the network device. > > listener-thread: err = -27001 :oserr = 0 : errstr =: Read error occurring > during connection attempt > > Our NETTYPE is set as tlitcp,3,64,NET > > Need your help. > Thanks, >

↪ replying to Martin Fuerderer
ABDEL ARBAWY — — source: IIUG Forums & Mailing Lists

Hi, You are right, i modified the UNIX kernel parameters (HFNOLIM, SFNOLIM..) and the problem is resolved. Best regards,

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