IBM System storage DS6000 Series, Attachment Manual

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For details about the release level for your operating system, see the
Interoperability Matrix at
http://www.ibm.com/servers/storage/disk/ds6000/interop.html.
Either you or an IBM service support representative must perform the following
tasks to install and configure a storage unit:
1. Install the storage unit by using the procedures in the IBM TotalStorage DS6000
Installation, Troubleshooting, and Recovery Guide .
2. Define the fibre-channel host system with the worldwide port name identifiers.
For the list of worldwide port names, see “Locating the worldwide port name
(WWPN),” on page 211.
3. Define the fibre-port configuration if you did not do it when you installed the
storage unit or fibre-channel adapters.
4. Configure the host system for the storage unit by using the instructions in your
host system publications.
Attachment considerations for an Intel host running Linux
This section provides attachment considerations for an Intel host running Linux.
For the most current Linux versions, servers, and switches, see
http://www.ibm.com/servers/storage/disk/ds6000/interop.html.
See http://www.redhat.com or http://www.suse.com to download the vendor kernel.
The DS6000 supports eServer BladeCenter HS20 with blades 8678, 8832, and
8839 when operating in a Red Hat Enterprise Linux 3.0 or 4.0 or SUSE SLES 9,
32-bit environment. See http://www-1.ibm.com/servers/storage/disk/ds6000 for more
information about supporting BladeCenter HS20.
The storage unit supports both direct and fabric attachment to the eServer
BladeCenter
™
JS20 when operating with AIX 5.2H, or Red Hat Enterprise Linux 3.0
or 4.0, or Linux SLES 9. See the
http://www.ibm.com/servers/storage/disk/ds6000/interop.html for more information
about supporting BladeCenter JS20.
Disabling automatic system updates
Many Linux distributions give administrators the ability to configure their systems for
automatic system updates. Red Hat provides this ability in the form of a program
called up2date, and SUSE provides a program called YaST Online Update. You can
configure these features to query for updates that are available for each host and to
automatically install any new updates that they find, which can include updates to
the kernel.
If your host is attached to the DS6000 series and is running the IBM Multipath
Subsystem Device Driver (SDD), you should consider turning off this automatic
update feature because some drivers supplied by IBM, like SDD, are dependent an
a specific kernel and cannot function in the presence of a new kernel. Similarly,
host bus adapters drivers must be compiled against specific kernels to function
optimally. By allowing automatic update of the kernel, you risk an unexpected
impact to your host system.
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DS6000 Host Systems Attachment Guide