[SunRescue] Upgrading and E450...

[MikeHebeldruaga at pmail.net]

Thanks!

I kind of suspected that we already had it but I was not quite sure having
never opened an E450 up.  (Hell I never touched any Sun equipment before a
year and a half ago!)

Yeah the engineers keep using up my mp3^H^H^Hstorage space for their CAD
drawings so we have to upgrade the RAID.  Thankfully we have 4 - 9gigs on
this system, the original 9gig primary standalone drive, and the 5 - 18gig
drives that comprise the large storage space.

Ok. *ahem* Looking over the last couple of lines I feel kinda dumb.  We have
too many drives in the box already to use only one backplane don't we.
*D'oh!*

Sorry if I wasted anyone's time on this one.  I should have known better...
*smacks forehead*

Mike Hebel

-----Original Message-----
From: rescue-admin at sunhelp.org [mailto:rescue-admin at sunhelp.org]On
Behalf Of Brian McCloskey
Sent: Tuesday, October 24, 2000 10:40 AM
To: rescue at sunhelp.org
Subject: Re: [SunRescue] Upgrading and E450...


if there is an sca connector in every drive bay, you have the secondary sca
backplane. if it was not there, you would only be able to have drives
installed in either the 4 bottom bays, or 12 bottom bays. the sca backplanes
are actually broken into 3 pieces. the one shipped with the systems by sun
by default only covers the 4 bottom bays, the other two are 8 bay backplanes
which allow disks to be installed in the remaining 16 bays. it sounds to me
like you have it installed already.

-wu


>From: "Mike Hebel" <druaga at pmail.net>
>Reply-To: rescue at sunhelp.org
>To: "Rescue at Sunhelp. Org" <rescue at sunhelp.org>
>Subject: [SunRescue] Upgrading and E450...
>Date: Mon, 23 Oct 2000 11:33:53 -0500
>
>Quick question - if there are connectors at the end of all the SCSI RAID
>drive bays in an E450 does this mean that we have the "secondary" backplane
>or is this not a good indicator?
>
>All the existing drives are staggered on every other connector.
>
>We want to add four more 18 gig drives to the system but our supplier is
>not
>sure if our system has the "secondary" backplane or not.
>
>Is there any other way to tell?  (I hesitate to open the machine up during
>production hours but if I have to to find out the info I will.)
>
>
>Thanks in advance!
>
>Mike Hebel
>
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