Archive for the ‘solaris volume manager’ Category

Accessing Mirrored Metadevice When Booting from CD/DVD

How do you access mirrored root disks when booting into single user mode from either network or DVD/CD? Presumably because of luck I have not been forced into this situation. When booting from DVD or network in single user mode your mirrored root disks will not be available. If you are booting single user mode […]

Posted on January 4, 2011 at 12:21 by somedude · Permalink · Leave a comment
In: solaris, solaris tips, solaris volume manager, storage

Quick and dirty SVM cheatsheet

This list focuses mostly on mirror operations. I use Solaris Volume Manager quite a bit when mirroring internal drives. There are tons of additional features and commands, if you use SVM for  things other than mirroring. In that case you might want to look at check out Solaris Volume Manager Administration Guide. Create database replicas: […]

Posted on December 3, 2009 at 12:50 by somedude · Permalink · Leave a comment
In: solaris, solaris utilities, solaris volume manager, storage

Growing Solaris Volume Manager mirrors online

You have a SVM mirror and you need to grow it. Online. All steps are straight forward except for the last one. So, in a nutshell: Grow sizes of both submirror LUN’s on SAN Detach the first submirror metadevice Clear the submirror metadevice Make the system see new LUN size Recreate the submirror metadevice, attach […]

Posted on November 8, 2008 at 15:41 by somedude · Permalink · One Comment
In: hp eva, san, solaris, solaris tips, solaris volume manager, storage

Mirroring root disk using SVM

There are about 487359 documents on the Internet about how to mirror root disk in Solaris. So, here is 487360th. The assumptions are following: the first disk has Solaris already installed, root slice is slice 1, and the disks are identical with the same size and geometry. If they have different cylinder, head, sector count […]

Posted on July 2, 2008 at 19:39 by somedude · Permalink · Leave a comment
In: openboot, solaris, solaris tips, solaris utilities, solaris volume manager, storage

Moving LUN’s between hosts using metarecover

Sometimes you might need to move a LUN between hosts X and Y on a SAN. Solaris has cool command, metarecover, that lets you do just that. First, you will need to stop all processes on X that might be using the given LUN. Then unmount the LUN and present it to the host Y. […]

Posted on April 2, 2008 at 07:11 by somedude · Permalink · Leave a comment
In: hp eva, san, solaris tips, solaris utilities, solaris volume manager, storage