"Translated from MoS article" relationship between Oracle Linux and external storage systems

The relationship between Oracle Linux and external storage systems

Reference text:
Oracle Linux and External Storage Systems (Doc ID 753050.1)

Scope of application:
Linux os-version Oracle Linux 4.4 to Oracle Linux 6.0 with unbreakable Enterprise Kernel [2.6.32] [Release ol4u4 to OL6]
Linux x86-64
Linux x86
Linux Itanium
Checked for relevance on 31-jan-2013***

Objective:
This article shows information about external storage systems in the Oracle Linux configuration.
Note: This list may be incomplete or not up to date. For details, please refer to the connection provided below

Range:
This article can be used by system engineers and administrators as a reference for creating a new Oracle Linux system.

Details:

Dm-mpio
Dm-mpio indicates Device Mapper multipathing I/O
Both Oracle Linux and Rhel include Dm-mpio technology, which is developed in close collaboration with various vendors such as EMC.
Dm-mpio include but are limited to the following advantages:

First: User and kernel space tools for management and support
Second: When upgrading kernel, there is greater flexibility. Because Dm-mpio has been accepted by the upstream Linux kernel development team
In other words: The updated driver (driver) is passed to each updated kernel
On the other hand, if you use a third-party vendor driver, in the new kernel version, there is a new Driver Pack (driver package) corresponding.
Third: Boot-from-san support was much easier to setup with Dm-mpio
IV: multipathing support available during installation of OS
V: Hardware vendors is starting to recommend/support Dm-mpio in certain storage configurations

For more information on Dm-mpio and also for various cases/implementations see

Http://wiki.oracle.com/page/multipathd.conf+configuration+for+Data+ONTAP+7.2.x+with+ALUA?t=anon

---> It seems that the link is invalid.

Oracle Validated Configurations
For specific external storage (HP, EMC, NEC, Sun, Compellent, Dell, NetApp, Inspur, Pillar and more) configurations with O Racle Linux please:

Browse to Http://linux.oracle.com/validated-configurations
Enter "OEL" in the search box. Click "Go"-that'll provide you older validations but still applicable
Enter "Linux" in the search box. Click "Go"
See also the Oracle Technology Network Validated Configurations page

Recommended:

First:
Second: Use the ' cat/proc/partitions ' and ' dmesg ' command to verify the LUN
Third: In a possible environment, use driver integrated with Linux kernel, do not use third-party drivers
IV: OCFS2 1.2 does not support online filesystem resize.
Use OCFS2 1.4 or later to has resize enabled with OCFS2.
V: For shared file systems between cluster nodes, use OCFS2, GFS, and do not use NFS