Hearns, John wrote:
sry for another post but i just got an idea. im not sure if you have
seen that you tube video of a guy who put his whole setup in a fish tank
and was using cooking oil i believe to cool everything. would be
interesting to see the 2nd cluster put into a big enough tank and cool
for a good JBOD?
On Thu, Feb 18, 2010 at 12:12 PM, Gerald Creager
wrote:
> For what you're describing, I'd consider CoRAID's AoE technology and
system,
> and use their RAID6 capability. Otherwise, get yourself a box with up
to 8
> slots, preferably with ho
For what you're describing, I'd consider CoRAID's AoE technology and
system, and use their RAID6 capability. Otherwise, get yourself a box
with up to 8 slots, preferably with hot-swap capability, and forge ahead.
gerry
Rahul Nabar wrote:
Discussions that I read on this list in the last couple
I've been getting Dell 1425's for <$100 and adding $150 worth of memory
to make 'em a usable small server. I think they're OK for low-end
compute nodes, but watching the list there are other machines more suitable.
gerry
David Mathog wrote:
There are a lot of rack mount servers showing up on
Looking for a usable script that will allow me to listen to an APC data
center UPS and power down a cluster when we go to UPS power. Anyone got
a solution? My last experience with PowerChute was pretty sad, I'm afraid.
gerry
--
Gerry Creager -- gerry.crea...@tamu.edu
Texas Mesonet -- AATLT, Tex
+1: Reality.
Joe Landman wrote:
Rahul Nabar wrote:
On Sun, Jan 17, 2010 at 9:36 PM, Joe Landman
wrote:
Ohhh ... it depends. Some of the "vendors" hardware raid ... heck
... most
of it ... is rebadged LSI gear. Usually their lower end stuff which is
sometimes fake-raid. Use fake-raid only
Hardware RAID, in my experience, works well with most LSI controllers
(that haven't been modified to become Dell PERC controllers) and 3Ware
controllers. I've had pretty grim results with most others. A
colleague and I had great initial results with several ARECA
controllers, but then they lo
David Mathog wrote:
So we have a cluster of Tyan S2466 nodes and one of them has failed in
an odd way. (Yes, these are very old, and they would be gone if we had a
replacment.) On applying power the system boots normally and gets far
into the boot sequence, sometimes to the login prompt, then it
Howdy!
Gus Correa wrote:
Hi Chris
Chris Samuel wrote:
- "Gus Correa" wrote:
This is about the same number I've got for an atmospheric model
in a dual-socket dual-core Xeon computer.
Somehow the memory path/bus on these systems is not very efficient,
and saturates when more than two proc
Grand Theft Auto? More'n'likely, YellowDog Linux, which is what the
folks in Colorado adapted, under contract with Sony, to generate for the
PS3.
gerry
Bernard Li wrote:
Curious what software they use to provision these PS3s ;-)
Cheers,
Bernard
On Wed, Dec 9, 2009 at 10:19 AM, Jeremy Bake
Prentice Bisbal wrote:
Greg Lindahl wrote:
On Thu, Dec 03, 2009 at 10:40:12AM -0500, Prentice Bisbal wrote:
if a single node goes down, you need to take down all the
nodes in the chassis before you can remove the dead node. Not very
practical.
Eh? What's so hard about marking the other nodes
Toon Knapen wrote:
I believe xfs is now available in 5.4. I'd have to check. We've
found xfs to be our preference (but we're revisiting gluster and
lustre). I've not played with gfs so far.
And why do you prefer xfs if I may ask. Performance? Do you many small
files or l
Andrew M.A. Cater wrote:
On Tue, Dec 01, 2009 at 03:04:32PM -0600, Gerald Creager wrote:
A combination of mostly kernel improvements, and some useful middleware
as RedHat and by extension, CentOS, seek to get farther into the cluster
space.
gerry
Maybe also some licensing breaks on large
kernel that take into account
the Numa architecture (affinity) or ...
On Tue, Dec 1, 2009 at 8:57 PM, Tom Elken <mailto:tom.el...@qlogic.com>> wrote:
> On Behalf Of Gerald Creager
> I've been quite happy with CentOS 5.3 and we're experimenting with
>
Toon, welcome back!
I've been quite happy with CentOS 5.3 and we're experimenting with
CentOS 5.4 now. I see good stability in 5.[34] and the incorporation of
a couple of tools worth having in a distribution for 'Wulf use. I'd not
recommend sticking with the old version, but of course, once
Ye GODS, I remember the NeXT Cube. They were so cute, and neat looking,
compared to the Sun I had next to my desk.
John Hearns wrote:
2009/10/26 John Hearns :
2009/10/26 Rahul Nabar :
True. I just thought that if my BMC is running a webserver it cannot
be all that stripped down. Maybe I am
Mark Hahn wrote:
IPMI gets hung sometimes (like Gerry says in his reply). I guess I can
just attribute that to bad firmware coding in the BMC.
I think it's better to think of it as a piece of hw (the nic)
trying to be managed by two different OSs: host and BMC.
it's surprising that it works at
Mark Hahn wrote:
the BMCs were Motorola single board computers running Linux.
So ssh and http access were already there with whichever Linux distro
they
ran (you could look around in /proc for instance)
Wow! I didn't realize that the BMC was again running a full blown
Linux distro!
sigh. th
Nicholas M Glykos wrote:
Too many Ph.D persons (in fields other than Computer Science) assume
that any sort of computer work is something they could do in their
spare time, if they just took the time.
Taking your point to its diametrically opposite extreme, I have repeatedly
been told that
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