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host channel adapters that use the cxgb3 driver the libcxgb3 package is needed, and for

host channel adapters using the mthca driver the libm thca package is needed.

There is also a known issue relating to connection timeouts in some situations. Refer to Red

Hat Bugzilla #470627 for more information on this issue.

2. Installation-Related Notes

This section includes information specific to Anaconda and the installation of Red Hat Enterprise Linux

5.3.

Red Hat Network can install the new and changed packages and upgrade an existing Red Hat

Enterprise Linux 5 system. Alternatively, Anaconda can upgrade an existing Red Hat Enterprise Linux 5

system or perform a fresh installation of Red Hat Enterprise Linux 5.3.

Note: upgrading from beta releases of Red Hat Enterprise Linux 5.3 to this GA release is not supported.

Further, although Anaconda provides an option for upgrading from earlier major versions of Red Hat

Enterprise Linux to Red Hat Enterprise Linux 5.3, Red Hat does not currently support this. More

generally, Red Hat does not support in-place upgrades between any major versions of Red Hat

Enterprise Linux. (A major version is denoted by a whole number version change. For example, Red Hat

Enteprise Linux 4 and Red Hat Enterprise Linux 5 are both major versions of Red Hat Enterprise Linux.)

In-place upgrades across major releases do not preserve all system settings, services or custom

configurations. Consequently, Red Hat strongly recommends fresh installations when upgrading from

one major version to another.

2.1. All Architectures

The T ext Mode installation of Anaconda now offers the option of switching to Virtual Network

Computing (VNC) to complete the installation.

Creating or using encrypted software RAID member disks (i.e. software RAID partitions) is not

supported. However, creating encrypted software RAID arrays (e.g. /dev/md0) is supported.

The NFS default for RHEL5 is "locking". Therefore, to mount nfs shares from the %post section of

anaconda, use the m ount -o nolock,udp command to start the locking daemon before using nfs

to mount shares.

When installing from CD-ROM or DVD-ROM on a system with an iBFT-configured network device,

Anaconda will not include any iBFT -configured storage devices unless networking is configured. To

enable networking for the installation, use the command linux updates=http://[any] at the

installation boot prompt. Note that [any] can be replaced with any URL.

If your system requires a static IP configuration, use the command linux updates=http://[any]

ip=[IP address] netmask=[netmask] dns=[dns].

When installing Red Hat Enterprise Linux 5.3 on a fully virtualized guest, do not use the kernel-

xen kernel. Using this kernel on fully virtualized guests can cause your system to hang.

If you are using an Installation Number when installing Red Hat Enterprise Linux 5.3 on a fully

virtualized guest, be sure to deselect the Virtualization package group during the installation.

The Virtualization package group option installs the kernel-xen kernel.

Note that paravirtualized guests are not affected by this issue. Paravirtualized guests always use

the kernel-xen kernel.

If you are using the Virtualized kernel when upgrading from Red Hat Enterprise Linux 5 to 5.2, you

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