Re: [Beowulf] PVM 3.4.5-12 terminates when adding Host on Ubuntu 9.10

2010-02-18 Thread Tsz Kuen Ching
Hello, Thanks for your help! It works now, after changing the host file to point at it's own IP address instead of the default localhost, things worked fine. - Kuen On Thu, Feb 18, 2010 at 11:33 AM, Reuti wrote: > Hi, > > Am 17.02.2010 um 20:23 schrieb Tsz Kuen Ching: > > > Thanks for the rep

Re: [Beowulf] Any recommendations for a good JBOD?

2010-02-18 Thread Gerald Creager
Friends don't let friends use Adaptec controllers if they really want RAID. gerry Michael Will wrote: Often a jbod is just sas/sata attached, and the real controller is in the host that attaches to it. It could then be a hardware raid controller from adaptec, or one of the very fast lsi sas/sat

Re: [Beowulf] Any recommendations for a good JBOD?

2010-02-18 Thread Alex Chekholko
On Thu, 18 Feb 2010 12:53:22 -0600 Rahul Nabar wrote: > On Thu, Feb 18, 2010 at 12:14 PM, Alex Chekholko wrote: > > On Thu, 18 Feb 2010 11:37:36 -0600 > > Does it need to be rack-mount?  What kind of interface? > > Preferably rack-mount. But cost is a compelling argument . I could be > convince

Re: [Beowulf] Any recommendations for a good JBOD?

2010-02-18 Thread Jesse Becker
On Thu, Feb 18, 2010 at 01:12:05PM -0500, 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 hot-swap capability, and forge ahead. I'll second this

Re: [Beowulf] Any recommendations for a good JBOD?

2010-02-18 Thread Joe Landman
5TB is fairly low end. Our 6 and 9 TB DV units do this with 12 drives. Uses mdadm and our tools atop it. Don't have pricing in front of me but they are quite inexpensive. Iscsi nfs cifs yadda yadda. 2 gbe ports you can drive at full speed. Please pardon brevity and typos ... Sent from

RE: [Beowulf] Any recommendations for a good JBOD?

2010-02-18 Thread Michael Will
Often a jbod is just sas/sata attached, and the real controller is in the host that attaches to it. It could then be a hardware raid controller from adaptec, or one of the very fast lsi sas/sata hca's which you could then use with software raid and/or LVM... Michael -Original Message-

Re: [Beowulf] Any recommendations for a good JBOD?

2010-02-18 Thread Rahul Nabar
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 hot-swap capability, and forge ahead. > Thanks Gerry! That

Re: [Beowulf] Any recommendations for a good JBOD?

2010-02-18 Thread Rahul Nabar
On Thu, Feb 18, 2010 at 12:14 PM, Alex Chekholko wrote: > On Thu, 18 Feb 2010 11:37:36 -0600 > Does it need to be rack-mount?  What kind of interface? Preferably rack-mount. But cost is a compelling argument . I could be convinced if a non-rack unit was significantly cheaper. I was thinking SAS

Re: [Beowulf] Top500 power consumption

2010-02-18 Thread Fred Youhanaie
On 23/12/42 20:59, John Hearns wrote: As I remember, the Top500 site now lists power consumption of systems, there cenrtainly is an section on the site from a few years ago discussing this. However I could not extract any figures. Does anyone know the magic buttons to press? I did find the Gree

Re: [Beowulf] Any recommendations for a good JBOD?

2010-02-18 Thread Alex Chekholko
On Thu, 18 Feb 2010 11:37:36 -0600 Rahul Nabar wrote: > Discussions that I read on this list in the last couple of months > tempt me to do away with hardware RAID entirely for a new > mini-storage-project I have to do. I am thinking of going for a JBOD > with Linux Software RAID via mdadm. Hardwa

Re: [Beowulf] Any recommendations for a good JBOD?

2010-02-18 Thread Gerald Creager
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

[Beowulf] Any recommendations for a good JBOD?

2010-02-18 Thread Rahul Nabar
Discussions that I read on this list in the last couple of months tempt me to do away with hardware RAID entirely for a new mini-storage-project I have to do. I am thinking of going for a JBOD with Linux Software RAID via mdadm. Hardware RAID just doesn't have the original awesomeness that it had m

Re: [Beowulf] PVM 3.4.5-12 terminates when adding Host on Ubuntu 9.10

2010-02-18 Thread Reuti
Hi, Am 17.02.2010 um 20:23 schrieb Tsz Kuen Ching: Thanks for the reply, I have asked around and found out that there are no firewall on the machine which blocks certain ports. Does anyone else have an idea or answer? On Sun, Feb 14, 2010 at 6:18 PM, Reuti wrote: Am 11.02.2010 um 19:43

Re: [Beowulf] Visualization toolkit to monitor scheduler performance

2010-02-18 Thread David N. Lombard
On Wed, Feb 17, 2010 at 07:25:34AM -0800, Brian D. Ropers-Huilman wrote: > On Mon, Feb 15, 2010 at 15:56, Rahul Nabar wrote: > > Are there any generic "scheduler visualization" tools out there? > > We've been developing in-house tools for this (both representing usage > overall, but recently focu