[SunHELP] Mirrored disks

Harlan Whitley hwhitley at earthlink.net
Thu Mar 18 14:47:45 CST 2004

Use dd in crontab, much safer.

> RE the mirrored boot disks question:
> *********************************************************************
> Message: 9 Date: Thu, 18 Mar 2004 08:34:40 -0800 From: Alex Flores
> <aflores at ats-islands.com> Subject: [SunHELP] Disk Suite To: The
> SunHELP List <sunhelp at sunhelp.org> Message-ID:
> < at pop.ats-islands.com> Content-Type:
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> Hello All,
> I am needing some help with Disk Suite.
> I have an e450 running Solaris 9.  I have two discs that I want to
> mirror using disk suite.  I don't have the first clue on where to
> start.  I've tried to understand the manual from sun documentation but
> it's just way too overwhelming with information and terms I have no
> idea what they mean.
> If someone could help me out I'd really appreciate it.  I will be
> needing some true hand holding with this though as I am not very
> familiar with Mirroring/RAID 1/Disk Suite.
> I understand if no one replies to this and I understand that every
> system is different so mine will also need special assistance.
> Perhaps someone could point me to a website that has a good How-To?
> Thanks in advance,
> Alex
> *****************************************************************
> If you are mirroring the root (boot) disks, then I suggest you
> check out the Sun Blueprints online articles, specifically:
> Configuring Boot Disks With Solaris Volume Manager Software
> http://www.sun.com/solutions/blueprints/1002/817-0407-10.pdf
> Some very good info there for free, too.  Especially note the 
> /etc/system parameter that allows a 2-disk system to keep going if one
> disk fails, something like "set md-mirrored-root = 1".
> HTH.
> --
> David Strom
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hwhitley at earthlink.net

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