RHN Errata Alert: device-mapper-multipath bug fix update

[Red Hat Network Alert <dev-null@rhn.redhat.com>]

Red Hat Network has determined that the following advisory is applicable to
one or more of the systems you have registered:

Complete information about this errata can be found at the following location:
     https://rhn.redhat.com/rhn/errata/details/Details.do?eid=9238

Bug Fix Advisory - RHBA-2009:1486-1
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Summary:
device-mapper-multipath bug fix update

An updated device-mapper-multipath package that fixes a bug is now
available.

Description:
device-mapper-multipath provides three tools to manage multipath devices:
multipath, which scans systems for multipath devices and assembles them;
multipathd, which detects path failures and re-initializes multipath to
update and correct these paths; and kpartx, which enables partitioning of
multipath devices. These tools give the device-mapper-multipath kernel
module instructions on what to do, and manage the creation and removal of
partitions for device-mapper devices.

This updated package addresses the following bug:

* the multipathd daemon creates one thread per multipath device (as well as
additional threads for logging and path verification) and these threads
need to be locked in memory. The daemon also seeks to limit the amount of
memory these threads consume. On some architectures, however, this failed
and the threads consumed their default amount of memory; 10 MB. The
multipathd daemon now correctly limits the thread size on all
architectures. (BZ#524563)

Multipath users should upgrade to this updated package, which resolves this
issue.
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Taking Action
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You may address the issues outlined in this advisory in two ways:

     - select your server name by clicking on its name from the list
       available at the following location, and then schedule an
       errata update for it:
           https://rhn.redhat.com/rhn/systems/SystemList.do

     - run the Update Agent on each affected server.


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Affected Systems List
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This Errata Advisory may apply to the systems listed below. If you know that
this errata does not apply to a system listed, it might be possible that the
package profile for that server is out of date. In that case you should refresh 
the system's package profile by running *one* of the following commands as root 
on that system:

 * 'up2date -p' (on Enterprise Linux systems prior to RHEL5)
 * 'rhn-profile-sync' (on Enterprise Linux 5 or later) 

There are 8 affected systems registered in 'Your RHN' (only systems for
which you have explicitly enabled Errata Alerts are shown).

Release   Arch       Profile Name
--------  --------   ------------
4AS       i686       node1.mpifc                             
4AS       i686       node2.mpifc                             
4AS       i686       node3.mpifc                             
4AS       i686       node4.mpifc                             


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