Red Hat ENTERPRISE 5.3 RELEASE NOTES Guía de instalación descargar pdf (Pagina 18)

the network to act as a debuginfo/compiler server for local SystemTap clients. The clients

auto-locate the server using mDNS (avahi), and only need the system tap-client and

system tap-runtim e packages to work.

At present, this feature does not use security mechanisms like encryption. As such, it is

advisable to use remote compilation services only within trusted networks. For more

information, refer to m an stap-server.

The kernel update for this release includes a kernel API extension that significantly

improves shutdown of SystemT ap scripts. This added kernel API extension eliminates

unnecessary synchronization between individual probe removal operations. As a result,

SystemTap scripts that have hundreds of kernel probes are processed much faster.

This is especially useful for administrators that use scripts with probes containing wildcards

that capture numerous kernel events, such as probe syscall.* {}.

For a complete list of SystemTap updates included in this release, refer to the following URL:

http://sources.redhat.com/git/gitweb.cgi?p=systemtap.git;a=blob_plain;f=NEWS;hb=rhel53

Cluster Manager Update

The Cluster Manager utility (cman) has been updated to version 2.0.97. This applies several

bug fixes and enhancements, most notably:

cman now uses the following firmware versions: APC AOS v3.5.7 and APC rpdu v3.5.6. This

fixes a bug that prevented the APC 7901 from using simple network management protocol

(SNMP) properly.

fence_drac, fence_ilo, fence_egenera, and fence_bladecenter agents now

support ssh.

fence_xvmd key files can now be reloaded without restarting.

A single fence method can now support up to 8 fence devices.

RPM Re- Base

The RedHat Package Manager (RPM) is now re-based to the Fedora 9 upstream version.

rpm now adds secondary architecture-specific macro files on multi-arch systems. In addition,

rpm now meets all certification criteria for inclusion in Red Hat Enterprise Linux 5.

This update also applies several upstream enhancements and bug fixes to rpm, including:

rpm no longer generates unnecessary .rpm new and .rpm save files on multi-arch

systems.

A bug in the rpmgiNext() function of rpm prevented proper error reporting. This update

applies the proper semantics for error reporting, thereby ensuring that rpm returns the

correct exit code in all instances.

Open Fabrics Enterprise Distribution (OFED) / opensm

opensm has been updated to the upstream version 3.2, including a minor change to the

opensm library API.

The format of the opensm.conf file has changed. If you have made custom modifications

to your existing opensm.conf, rpm will automatically install the new opensm.conf file as

/etc/ofed/opensm .conf.rpm new. You will need to migrate your modifications to this

file and then replace the existing opensm.conf file with the result.

3. Feature Updates

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Red Hat ENTERPRISE 5.3 RELEASE NOTES Guía de instalación Pagina 18