Archive for the ‘multipathing’ Category

Solaris 10 VTOC weirdness on EMC Clariion Array

I was doing some Solaris 10 8/07 testing with EMC Clariion CX4-960 array. One of the tests was to dynamically grow LUN. Until now, I have been doing this on HP EVA array. It was pretty straight forward: Grow the LUN on the array itself On the server use type subcommand of the format utility […]

Posted on July 19, 2010 at 10:33 by somedude · Permalink · Leave a comment
In: clariion, mpxio, multipathing, san, solaris, solaris tips, storage

Linux multipathing

I use MPxIO in Solaris quite often and it works very well for me. This time I needed to test out I/O multipathing in RedHat. What I really needed to do: have a server with two HBA’s manage a mirror which has submirrors on separate SAN’s; so that the server has multiple paths to each […]

Posted on November 27, 2009 at 22:40 by somedude · Permalink · Leave a comment
In: centos, fibre channel, hp eva, linux, linux tips, multipathing, redhat, san, storage

Growing mirrored LUN in RedHat

I was putting a RedHat server onto a SAN and I could not find any clear instructions on how to grow a single mirrored LUN on the fly. Anyway, here are some notes on the process. First the setup: Two LUN’s mirrored across two SAN’s with LVM volume on the top of it. I could […]

Posted on February 6, 2009 at 23:52 by somedude · Permalink · 2 Comments
In: centos, hp eva, linux, linux tips, linux utilities, lvm2, multipathing, redhat, san, storage