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                                  CERT-Renater

                       Note d'Information No. 2004/VULN420
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DATE                      : 27/09/2004

HARDWARE PLATFORM(S)      : SPARC.

OPERATING SYSTEM(S)       : Solaris 8, Solaris 9 running SunCluster 3.0 or 3.1.

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Sun(sm) Alert Notification

      * Sun Alert ID: 57531
      * Synopsis: Sun Cluster Node May Become Slow or Hang on a Globally
        Mounted File System
      * Category: Availability
      * Product: SunCluster
      * BugIDs: 4964849
      * Avoidance: Workaround, Patch
      * State: Resolved
      * Date Released: 05-Apr-2004
      * Date Closed: 21-Sep-2004
      * Date Modified: 22-Apr-2004, 19-May-2004, 24-May-2004, 21-Sep-2004

1. Impact

    Access to Sun Cluster globally mounted file systems may become slow or
    hang when multiple processes are operating on the same file. A reboot
    of all the nodes connected to the storage unit which hosts the file
    system may be necessary.

2. Contributing Factors

    This issue can occur in the following releases:

    SPARC Platform

      * SunCluster 3.0 for Solaris 8 without patch 110648-34
      * SunCluster 3.0 for Solaris 9 without patch 112563-16
      * SunCluster 3.1 for Solaris 8 without patch [2]113800-12
      * SunCluster 3.1 for Solaris 9 without patch [3]113801-12

    Note: Sun Cluster 2.2 is not affected by this issue

    The described issue only occurs on globally mounted file systems.

3. Symptoms

    If the described issue occurs, messages similar to the following will
    be logged to the "/var/adm/messages" file:

     "**WARNING: ignoring hole in write"

    Solution Summary [4]Top

4. Relief/Workaround

    To work around the described issue, convert the globally mounted file
    system into a Failover File System (FFS) using the HAStoragePlus
    (SUNW.HAStoragePlus(5)) agent.

5. Resolution

    This issue is addressed in the following releases:

      * SunCluster 3.0 for Solaris 8 with patch 110648-34 or later
      * SunCluster 3.0 for Solaris 9 with patch 112563-16 or later
      * SunCluster 3.1 for Solaris 8 with patch [5]113800-12 or later
      * SunCluster 3.1 for Solaris 9 with patch [6]113801-12 or later

Change History

    21-Sep-2004:

      * State: Resolved
      * Updated Contributing Factors and Relief/Workaround sections

    24-May-2004:

      * Updated Contributing Factors and Relief/Workaround sections

    19-May-2004:

      * Updated Contributing Factors and Relief/Workaround sections

    22-Apr-2004:

      * Updated Relief/Workaround

    This Sun Alert notification is being provided to you on an "AS IS"
    basis. This Sun Alert notification may contain information provided by
    third parties. The issues described in this Sun Alert notification may
    or may not impact your system(s). Sun makes no representations,
    warranties, or guarantees as to the information contained herein. ANY
    AND ALL WARRANTIES, EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION
    WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR
    NON-INFRINGEMENT, ARE HEREBY DISCLAIMED. BY ACCESSING THIS DOCUMENT
    YOU ACKNOWLEDGE THAT SUN SHALL IN NO EVENT BE LIABLE FOR ANY DIRECT,
    INDIRECT, INCIDENTAL, PUNITIVE, OR CONSEQUENTIAL DAMAGES THAT ARISE
    OUT OF YOUR USE OR FAILURE TO USE THE INFORMATION CONTAINED HEREIN.
    This Sun Alert notification contains Sun proprietary and confidential
    information. It is being provided to you pursuant to the provisions of
    your agreement to purchase services from Sun, or, if you do not have
    such an agreement, the Sun.com Terms of Use. This Sun Alert
    notification may only be used for the purposes contemplated by these
    agreements.

    Copyright 2000-2004 Sun Microsystems, Inc., 4150 Network Circle, Santa
    Clara, CA 95054 U.S.A. All rights reserved.

References

    1. http://sunsolve.sun.com/search/printfriendly.do?assetkey=1-26-57531-1#top
    2. http://sunsolve.sun.com/search/document.do?assetkey=1-21-113800-12-1
    3. http://sunsolve.sun.com/search/document.do?assetkey=1-21-113801-12-1
    4. http://sunsolve.sun.com/search/printfriendly.do?assetkey=1-26-57531-1#top
    5. http://sunsolve.sun.com/search/document.do?assetkey=1-21-113800-12-1
    6. http://sunsolve.sun.com/search/document.do?assetkey=1-21-113801-12-1

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