IBM Support

IV66344: NFS4 CLIENT DOES NOT DELAY ON NFS4ERR_DELAY AND LOOPS APPLIES TO AIX 7100-03

A fix is available

Subscribe

You can track all active APARs for this component.

APAR status

  • Closed as program error.

Error description

  • nfs v4 client floods network when server returns
    NFS4ERR_DELAY
    on nfs4_lookup_fh calls.
    

Local fix

  • use nfs v3 and not v4
    

Problem summary

  • heavy network traffic from nfsv4 client
    

Problem conclusion

  • In nfs4_lookup_fh(),use backoff algorithm to
    add delay in 'case NFS4ERR_DELAY'
    

Temporary fix

Comments

  • 6100-08 - use AIX APAR IV64600
    6100-09 - use AIX APAR IV66303
    7100-02 - use AIX APAR IV68328
    7100-03 - use AIX APAR IV66344
    

APAR Information

  • APAR number

    IV66344

  • Reported component name

    AIX V7.1

  • Reported component ID

    5765H4000

  • Reported release

    710

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Submitted date

    2014-10-28

  • Closed date

    2014-10-28

  • Last modified date

    2015-09-30

  • APAR is sysrouted FROM one or more of the following:

    IV64600

  • APAR is sysrouted TO one or more of the following:

Fix information

  • Fixed component name

    AIX V7.1

  • Fixed component ID

    5765H4000

Applicable component levels

  • R710 PSY U865826

       UP15/05/19 I 1000

PTF to Fileset Mapping



Document information

More support for: AIX Enterprise Edition

Software version: 710

Operating system(s): AIX

Reference #: IV66344

Modified date: 30 September 2015