Re: [CentOS] xServes are dead ;-( / SAN Question

2010-11-15 Thread Gabriel Tabares
I tought of that, and I will be needing something like this, since I have some services that need to be restarted in the event of them dying or being killed. But I'm not that much confortable scripting a modification of the initab to activate / deactivate services on a server-by-server

Re: [CentOS] xServes are dead ;-( / SAN Question

2010-11-12 Thread Stephen Harris
On Thu, Nov 11, 2010 at 05:39:15PM -0800, Gordon Messmer wrote: On 11/11/2010 03:45 PM, John R Pierce wrote: put the job in a loop like... while true; do your stuff sleep 60 done; Sure, but you also need to start the loop and make sure it doesn't die.

Re: [CentOS] xServes are dead ;-( / SAN Question

2010-11-12 Thread John Doe
From: Nicolas Ross rossnick-li...@cybercat.ca while true; do your stuff sleep 60 done; Sure, but you also need to start the loop and make sure it doesn't die. Put in /etc/inittab ms:2345:respawn:/path/to/my/loop_script (where ms is

Re: [CentOS] xServes are dead ;-( / SAN Question

2010-11-11 Thread Nicolas Ross
On another note, on the same subject (xServes being disontinued), one feature we use heavily on our os-x server is the ability to load / unload periodic jobs with launchd. With it we're able to schedule jobs let's say every 5 minutes, and so on. One could say I could do something like */5 * *

Re: [CentOS] xServes are dead ;-( / SAN Question

2010-11-11 Thread Les Mikesell
On 11/11/2010 2:32 PM, Nicolas Ross wrote: On another note, on the same subject (xServes being disontinued), one feature we use heavily on our os-x server is the ability to load / unload periodic jobs with launchd. With it we're able to schedule jobs let's say every 5 minutes, and so on. One

Re: [CentOS] xServes are dead ;-( / SAN Question

2010-11-11 Thread Bill Campbell
On Thu, Nov 11, 2010, Nicolas Ross wrote: On another note, on the same subject (xServes being disontinued), one feature we use heavily on our os-x server is the ability to load / unload periodic jobs with launchd. With it we're able to schedule jobs let's say every 5 minutes, and so on. One

Re: [CentOS] xServes are dead ;-( / SAN Question

2010-11-11 Thread John R Pierce
On 11/11/10 12:32 PM, Nicolas Ross wrote: We even have a job that is scheduled to run every 60 seconds, but can take 2 hours to complete. Is there any scheduler under linux that approch this ? don't even really need a scheduler for that. put the job in a loop like... while true; do

Re: [CentOS] xServes are dead ;-( / SAN Question

2010-11-11 Thread Gordon Messmer
On 11/11/2010 03:45 PM, John R Pierce wrote: put the job in a loop like... while true; do your stuff sleep 60 done; Sure, but you also need to start the loop and make sure it doesn't die. You could use a script like this to repeat a script and then wait:

Re: [CentOS] xServes are dead ;-( / SAN Question

2010-11-11 Thread Nicolas Ross
Sure, but you also need to start the loop and make sure it doesn't die. You could use a script like this to repeat a script and then wait: --- #!/bin/sh delay=$1 shift $...@} at now + $delay EOF $0 $delay $...@} EOF --- Run repeat.sh 5m /path/to/whatever -args. The script

Re: [CentOS] xServes are dead ;-( / SAN Question

2010-11-09 Thread rainer
On 11/8/10 6:29 PM, James A. Peltier wrote: Did you look at Nexentastor for this? You might need the commercial version for a fail-over set but I think the basic version is free up to a fairly large size. 12T, IIRC. That's not exactly great IMO. You get that with a RAID10 over two

Re: [CentOS] xServes are dead ;-( / SAN Question

2010-11-09 Thread Karanbir Singh
On 11/09/2010 12:13 PM, Joshua Baker-LePain wrote: Have you looked at Red Hat's GFS? That seems to fit at least a portion of your needs (I don't use it, so I don't know all that it does). Good point Joshua, I was reading this thread and wondering how come no one brought up the fact that you

Re: [CentOS] xServes are dead ;-( / SAN Question

2010-11-09 Thread Rudi Ahlers
On Tue, Nov 9, 2010 at 2:35 PM, Karanbir Singh mail-li...@karan.org wrote: On 11/09/2010 12:13 PM, Joshua Baker-LePain wrote: Have you looked at Red Hat's GFS?  That seems to fit at least a portion of your needs (I don't use it, so I don't know all that it does). Good point Joshua, I was

Re: [CentOS] xServes are dead ;-( / SAN Question

2010-11-09 Thread rainer
On 11/09/2010 12:13 PM, Joshua Baker-LePain wrote: Have you looked at Red Hat's GFS? That seems to fit at least a portion of your needs (I don't use it, so I don't know all that it does). Good point Joshua, I was reading this thread and wondering how come no one brought up the fact that

Re: [CentOS] xServes are dead ;-( / SAN Question

2010-11-09 Thread Joshua Baker-LePain
On Mon, 8 Nov 2010 at 9:36pm, Nicolas Ross wrote Thanks for the suggestions (others also), but I don't beleivee it'll do. We need to be able to access the file system directly via FC so we can lock files across systems. Pretty much like xSan, but not on apple. xSan is really StorNext from

Re: [CentOS] xServes are dead ;-( / SAN Question

2010-11-09 Thread Karanbir Singh
On 11/09/2010 12:40 PM, rai...@ultra-secure.de wrote: I was reading this thread and wondering how come no one brought up the fact that you can achieve the entire desired feature set just using the components already included in CentOS-5. But there is no GFS for OSX, IIRC. The last comment

Re: [CentOS] xServes are dead ;-( / SAN Question

2010-11-09 Thread Nicolas Ross
KB, I think the OP is looking for a nice set of userland tools which was included in xServer Pretty much. Since we were about to purchase about 8 new xserve to build a new xSan on top of an active raid 16 1 tb disk enclosure as our new production environement, we are exploring other

Re: [CentOS] xServes are dead ;-( / SAN Question

2010-11-09 Thread rainer
On 11/9/10 2:53 AM, rai...@ultra-secure.de wrote: Did you look at Nexentastor for this? You might need the commercial version for a fail-over set but I think the basic version is free up to a fairly large size. 12T, IIRC. That's not exactly great IMO. You get that with a RAID10 over

Re: [CentOS] xServes are dead ;-( / SAN Question

2010-11-09 Thread Les Mikesell
On 11/9/10 2:53 AM, rai...@ultra-secure.de wrote: Did you look at Nexentastor for this? You might need the commercial version for a fail-over set but I think the basic version is free up to a fairly large size. 12T, IIRC. That's not exactly great IMO. You get that with a RAID10 over two

Re: [CentOS] xServes are dead ;-( / SAN Question

2010-11-09 Thread Nicolas Ross
Have you looked at Red Hat's GFS? That seems to fit at least a portion of your needs (I don't use it, so I don't know all that it does). I've spent better part of the last day to read documentation on gfs2 on redhat's site. My god, that's pretty much what I'm looking for... To the point that

Re: [CentOS] xServes are dead ;-( / SAN Question

2010-11-09 Thread Karanbir Singh
On 11/09/2010 08:32 PM, Nicolas Ross wrote: The documentation is very technichal, I'm ok with that, but it seems to miss some starting point. For instance, there's a part about the required number of journal to create and the size of those. But I cannot find suggested size or any thumb-rule

Re: [CentOS] xServes are dead ;-( / SAN Question

2010-11-09 Thread JohnS
On Tue, 2010-11-09 at 15:32 -0500, Nicolas Ross wrote: Have you looked at Red Hat's GFS? That seems to fit at least a portion of your needs (I don't use it, so I don't know all that it does). I've spent better part of the last day to read documentation on gfs2 on redhat's site. My

Re: [CentOS] xServes are dead ;-( / SAN Question

2010-11-09 Thread Les Mikesell
On 11/9/2010 2:32 PM, Nicolas Ross wrote: Have you looked at Red Hat's GFS? That seems to fit at least a portion of your needs (I don't use it, so I don't know all that it does). I've spent better part of the last day to read documentation on gfs2 on redhat's site. My god, that's pretty

Re: [CentOS] xServes are dead ;-( / SAN Question

2010-11-09 Thread James A. Peltier
Cost is per TB. Would kill me here when one user occupies 150TB just themselves. - Original Message - | On 11/8/10 6:29 PM, James A. Peltier wrote: | | I have a solution that is currently centered around commodity | storage bricks (Dell R510), flash PCI-E controllers, 1 or 10GbE (on

Re: [CentOS] xServes are dead ;-( / SAN Question

2010-11-09 Thread Nicolas Ross
The linux-cluster mailing list is super friendly, has both developers and consumers of the entire RHCS associated packages - and CentOS friendly :) I seriously recommend anyone looking to do any sort of work with this toolchain should be on that list. Thanks, I'll surely make a visit

Re: [CentOS] xServes are dead ;-( / SAN Question

2010-11-09 Thread Nicolas Ross
The linux-cluster mailing list is super friendly, has both developers and consumers of the entire RHCS associated packages - and CentOS friendly :) I seriously recommend anyone looking to do any sort of work with this toolchain should be on that list. Thanks, I'll surely make a visit there.

Re: [CentOS] xServes are dead ;-( / SAN Question

2010-11-08 Thread Gordon Messmer
On 11/07/2010 03:33 AM, Nicolas Ross wrote: Is there any other solution for building a SAN under linux ? None of my customers use a SAN right now. I have some friends who speak pretty highly of their Dell SAN gear (re-branded EMC CX300) with Qlogic HBAs.

Re: [CentOS] xServes are dead ;-( / SAN Question

2010-11-08 Thread Tim Dunphy
Perhaps FreeNAS would fit the bill? http://freenas.org/features Sent from my iPhone On Nov 8, 2010, at 6:52 PM, Gordon Messmer yiny...@eburg.com wrote: On 11/07/2010 03:33 AM, Nicolas Ross wrote: Is there any other solution for building a SAN under linux ? None of my customers use a

Re: [CentOS] xServes are dead ;-( / SAN Question

2010-11-08 Thread Patrick Lists
On 11/09/2010 12:58 AM, Tim Dunphy wrote: Perhaps FreeNAS would fit the bill? http://freenas.org/features Sent from my iPhone On Nov 8, 2010, at 6:52 PM, Gordon Messmeryiny...@eburg.com wrote: On 11/07/2010 03:33 AM, Nicolas Ross wrote: Is there any other solution for building a SAN

Re: [CentOS] xServes are dead ;-( / SAN Question

2010-11-08 Thread Gordon Messmer
On 11/08/2010 04:06 PM, Patrick Lists wrote: On 11/09/2010 12:58 AM, Tim Dunphy wrote: Perhaps FreeNAS would fit the bill? http://freenas.org/features How about openfiler: http://www.openfiler.com/ I don't believe either of those support exporting volumes over Fibre Channel. You could do

Re: [CentOS] xServes are dead ;-( / SAN Question

2010-11-08 Thread James A. Peltier
- Original Message - | On 11/09/2010 12:58 AM, Tim Dunphy wrote: | Perhaps FreeNAS would fit the bill? | | http://freenas.org/features | | | Sent from my iPhone | | On Nov 8, 2010, at 6:52 PM, Gordon Messmeryiny...@eburg.com wrote: | | On 11/07/2010 03:33 AM, Nicolas Ross wrote:

Re: [CentOS] xServes are dead ;-( / SAN Question

2010-11-08 Thread John R Pierce
On 11/08/10 4:29 PM, James A. Peltier wrote: You then need a method for dealing with the high availability aspect. You need to be able to fence the storage while a fail-over is taking place. You need to (maybe) move MAC addresses and other storage IP bits. This is the hard part! Getting

Re: [CentOS] xServes are dead ;-( / SAN Question

2010-11-08 Thread Les Mikesell
On 11/8/10 6:29 PM, James A. Peltier wrote: I have a solution that is currently centered around commodity storage bricks (Dell R510), flash PCI-E controllers, 1 or 10GbE (on separate Jumbo Frame Data Tier) and Solaris + ZFS. So far it has worked out really well. Each R510 is a box with a

Re: [CentOS] xServes are dead ;-( / SAN Question

2010-11-08 Thread Nicolas Ross
Perhaps FreeNAS would fit the bill? http://freenas.org/features Thanks for the suggestions (others also), but I don't beleivee it'll do. We need to be able to access the file system directly via FC so we can lock files across systems. Pretty much like xSan, but not on apple. xSan is really

Re: [CentOS] xServes are dead ;-( / SAN Question

2010-11-08 Thread Rudi Ahlers
On Tue, Nov 9, 2010 at 4:36 AM, Nicolas Ross rossnick-li...@cybercat.ca wrote: Perhaps FreeNAS would fit the bill? http://freenas.org/features Thanks for the suggestions (others also), but I don't beleivee it'll do. We need to be able to access the file system directly via FC so we can lock

Re: [CentOS] xServes are dead ;-( / SAN Question

2010-11-07 Thread Nicolas Ross
Thanks, On 11/05/2010 04:34 PM, Nicolas Ross wrote: Now with this said, I am searching for documentation on operating a SAN under linux. We are looking at Quantum StorNext FS2 product for the SAN itselft. I'm not sure how much help you'll get from the community. StorNext is a

Re: [CentOS] xServes are dead ;-( / SAN Question

2010-11-07 Thread John R Pierce
On 11/07/10 3:33 AM, Nicolas Ross wrote: Thanks, On 11/05/2010 04:34 PM, Nicolas Ross wrote: Now with this said, I am searching for documentation on operating a SAN under linux. We are looking at Quantum StorNext FS2 product for the SAN itselft. I'm not sure how much help you'll get from

Re: [CentOS] xServes are dead ;-( / SAN Question

2010-11-07 Thread Jay Leafey
Nicolas Ross wrote: Thanks, On 11/05/2010 04:34 PM, Nicolas Ross wrote: Now with this said, I am searching for documentation on operating a SAN under linux. We are looking at Quantum StorNext FS2 product for the SAN itselft. I'm not sure how much help you'll get from the community. StorNext

Re: [CentOS] xServes are dead ;-( / SAN Question

2010-11-06 Thread Ross Walker
On Nov 5, 2010, at 7:34 PM, Nicolas Ross rossnick-li...@cybercat.ca wrote: Hi ! As some of you might know, Apple has discontinued it's xServes server as of january 31st 2011. We have a server rack with 12 xserves ranging from dual G5's to dual quand-core xeon lastest generation, 3

Re: [CentOS] xServes are dead ;-( / SAN Question

2010-11-06 Thread Gordon Messmer
On 11/05/2010 04:34 PM, Nicolas Ross wrote: Now with this said, I am searching for documentation on operating a SAN under linux. We are looking at Quantum StorNext FS2 product for the SAN itselft. I'm not sure how much help you'll get from the community. StorNext is a proprietary product