Re: [CentOS] new memory not getting regonized

2011-09-08 Thread benedict dcunha
Dear Guys, First of all thanks for all your wise replies.. a little late since was tied with some other stuff and wanted to test the change I made on my xen server actually as dennis says ... and hes perfectly right actually what I did was restrict my DOM0 mem size to 1 gb with dom0_mem=1024M in

Re: [CentOS] new memory not getting regonized

2011-08-31 Thread Dennis Jacobfeuerborn
On 08/31/2011 05:38 PM, Pasi Kärkkäinen wrote: > On Tue, Aug 30, 2011 at 03:30:46PM +0200, Dennis Jacobfeuerborn wrote: >> On 08/27/2011 09:12 PM, sylvan.dcu...@gmail.com wrote: >>> Dear Dennis, >>> >>> Thanks a lot for the wise reply.. really did boost my knowledge.. >>> honestly was unware of the

Re: [CentOS] new memory not getting regonized

2011-08-31 Thread Pasi Kärkkäinen
On Tue, Aug 30, 2011 at 03:30:46PM +0200, Dennis Jacobfeuerborn wrote: > On 08/27/2011 09:12 PM, sylvan.dcu...@gmail.com wrote: > > Dear Dennis, > > > > Thanks a lot for the wise reply.. really did boost my knowledge.. > > honestly was unware of the fact that dom0 is just like another VM ... > > An

Re: [CentOS] new memory not getting regonized

2011-08-30 Thread Dennis Jacobfeuerborn
On 08/27/2011 09:12 PM, sylvan.dcu...@gmail.com wrote: > Dear Dennis, > > Thanks a lot for the wise reply.. really did boost my knowledge.. > honestly was unware of the fact that dom0 is just like another VM ... > Anyway I had never restricted dom0 mem and since my 4 vms were working fine > with no

Re: [CentOS] new memory not getting regonized

2011-08-27 Thread sylvan . dcunha
Dear Dennis, Thanks a lot for the wise reply.. really did boost my knowledge.. honestly was unware of the fact that dom0 is just like another VM ... Anyway I had never restricted dom0 mem and since my 4 vms were working fine with no issues i never bothered much. It was only after I added more

Re: [CentOS] new memory not getting regonized

2011-08-27 Thread Dennis Jacobfeuerborn
On 08/27/2011 02:35 PM, Simon Matter wrote: >> Thanks Guys >> >> really apprecite your quick responses. >> ( Dennis was right in tellin me about PAE since my system is 64 bit and if >> I >> do run yum install kernel-PAE there is nothing found.) >> >> actually i found something more as i was figurin

Re: [CentOS] new memory not getting regonized

2011-08-27 Thread Simon Matter
> Thanks Guys > > really apprecite your quick responses. > ( Dennis was right in tellin me about PAE since my system is 64 bit and if > I > do run yum install kernel-PAE there is nothing found.) > > actually i found something more as i was figuring my issue out. > > when I do a top i see the follo

Re: [CentOS] new memory not getting regonized

2011-08-27 Thread benedict dcunha
Thanks Guys really apprecite your quick responses. ( Dennis was right in tellin me about PAE since my system is 64 bit and if I do run yum install kernel-PAE there is nothing found.) actually i found something more as i was figuring my issue out. when I do a top i see the following

Re: [CentOS] new memory not getting regonized

2011-08-26 Thread John Doe
From: "sylvan.dcu...@gmail.com" >I had a Centos 5.5 OS  running for about 6 months used as a Xen VM server >prfectly running 3 Virtual machines >Its a Sun Blade server with 8 core Xeon Proceesor with 32 GB Ram >couple of days back I added another 32 gb ram . >The bios shows the added ram that

Re: [CentOS] new memory not getting regonized

2011-08-26 Thread Dennis Jacobfeuerborn
On 08/26/2011 12:51 PM, benedict dcunha wrote: > Thanks Leonard, > Thanks for the immedite reply . apprecite. > actually many post s say the PAE kernel required for addressing more than 4 > gb ram . but since my server already detects 32 gb ram , detecting 64 also > should not be an issue.. "many

Re: [CentOS] new memory not getting regonized

2011-08-26 Thread benedict dcunha
Thanks Leonard, Thanks for the immedite reply . apprecite. actually many post s say the PAE kernel required for addressing more than 4 gb ram . but since my server already detects 32 gb ram , detecting 64 also should not be an issue.. but just wondering why??. regards simon On Fri, Aug 26,

Re: [CentOS] new memory not getting regonized

2011-08-26 Thread Leonard den Ottolander
Hello Sylvan, On Fri, 2011-08-26 at 10:10 +, sylvan.dcu...@gmail.com wrote: > Kernel 2.6.18-194.32.1.el5xen on an x86_64 > I do believe that installing kernel PAE with yum should solve the > problem but since the server is a online production server just wanted > to verify if I would run int