Red Hat GFS 6.1 RHEL4 U2 Release Notes

Copyright(c) 2005 Red Hat, Inc.
	-------------------------------------------------------

November 3, 2005

Introduction

   The following topics are covered in this document:
   
     o Changes to GFS 6.1
     
     o Important Notes
     
     o Bugs Fixed in the Release

     o Related Documentation
     
   
Changes to GFS 6.1 for RHEL4 U2

   This release supports iSCSI and multipath iSCSI. That is, device mapper
   multipath (dm-multipath) can use iSCSI.
   
   This release prevents the activation of snapshots in a clustered volume
   group.
   
   
Important Notes
   
   Multipath GNBD is not available with this and previous releases of  
   Red Hat GFS 6.1. That is, device mapper multipath (dm-multipath) 
   cannot use GNBD. GNBD without multipath *is* available.
   

Bugs Fixed in the Release

   o 160525 -- GFS fsck [gfs_fsck] not handling extended attributes correctly

   o 160835 -- fsck [gfs_fsck] erroneously reporting bitmap corruption when 
     converting bits from free_metadata -> free_data

   o 162709 -- gfs_fsck fails to complete, can't mount the device

   o 161808 -- Nodes don't wait for first mounter to finish recovery [This could
     potentially allow a second node to mount a GFS file system
     while the journal was being replayed.]

   o 164324 -- gfs oops in gfs_wipe_buffers [This could allow depend_sync_old
     to corrupt the resource group descriptor structure if it took
     too long to sync dependent inodes back to disk.]

   o 166701 -- Kernel panic with NFS traffic being moved between nodes using
     service IP address [This caused a kernel panic in rare
     cases when using NFS on top of GFS.]
 

   For more information about bugs fixed in this release and other information 
   about the release, refer to the following errata on RHN
   (https://rhn.redhat.com/):
   
    o RHBA-2005:740 -- GFS-kernel bug fix update

    o RHBA-2005:741 -- GFS bug fix update

    o RHBA-2005:776 -- gnbd-kernel bug fix update

    o RHBA-2005:779 -- gnbd bug fix update

    o RHBA-2005:781 -- lvm2-cluster bug fix update


Related Documentation
   
   The following related documentation is available at 
   http://www.redhat.com/docs/manuals/csgfs/:
   
   o Red Hat GFS 6.1 Administrator's Guide
   
   o Release notes for Red Hat GFS 6.1

   o Red Hat Cluster Suite Configuring and Managing a Cluster
     (for Red Hat Cluster Suite 4)
   
   o Release notes for Red Hat Cluster Suite 4