Re: [Xen-users] Hardware upgrade

[Rudi Ahlers <Rudi@xxxxxxxxxxx>]

Joe Black wrote:
> Hi
>
> Excuse the ignorance, but where do you see that is is not picking up 
> the 8Gb of  RAM ?
> Ryan
>
> On Fri, 2008-05-23 at 10:43 +0200, Rudi Ahlers wrote:
> > Joe Black wrote:
> > > Wow, Thanks for the speedy reply.
> > >
> > > Ok this is what I have
> > >
> > > UNAME:  2.6.18-8.el5xen #1 SMP Thu Mar 15 21:02:53 EDT 2007 i686 i686 
> > > i386 GNU/Linux
> > > OS: Centos5
> > > ARCH I386
> > >
> > > free -m:
> > >
> > > total       used       free     shared    buffers     cached
> > > Mem:           254        212         42          0         38         59
> > > -/+ buffers/cache:        114        140
> > > Swap:         8001          0       8001
> > >
> > > MEMINFO
> > > MemTotal:       260864 kB
> > > MemFree:         43220 kB
> > > Buffers:         39452 kB
> > > Cached:          61112 kB
> > > SwapCached:          0 kB
> > > Active:          58168 kB
> > > Inactive:        58376 kB
> > > HighTotal:           0 kB
> > > HighFree:            0 kB
> > > LowTotal:       260864 kB
> > > LowFree:         43220 kB
> > > SwapTotal:     8193140 kB
> > > SwapFree:      8193044 kB
> > > Dirty:               8 kB
> > > Writeback:           0 kB
> > > AnonPages:       16016 kB
> > > Mapped:           7232 kB
> > > Slab:            18244 kB
> > > PageTables:       1432 kB
> > > NFS_Unstable:        0 kB
> > > Bounce:              0 kB
> > > CommitLimit:   8323572 kB
> > > Committed_AS:   179560 kB
> > > VmallocTotal:   589816 kB
> > > VmallocUsed:      8104 kB
> > > VmallocChunk:   581664 kB
> > >
> > > DMESG: Memory: 185216k/270336k available (2017k kernel code, 76576k 
> > > reserved, 824k data, 172k init, 0k highmem)
> > >
> > > On second not I am allocating 256Mb to Dom0 on boot.
> > >
> > > Ryan
> > >
> > > On Fri, 2008-05-23 at 09:48 +0200, Rudi Ahlers wrote:
> > >> Joe Black wrote:
> > >> > Hi
> > >> >
> > >> > I have Centos 5 server run XEN, the server has about 10 Hosts on it. 
> > >> > It was happly running fine with 4GB of ram. I then needed to upgrade 
> > >> > the servers ram to 8GB.
> > >> >
> > >> > This all went well server booted, but it now the server is very slow, 
> > >> > to the point that when I run "xm list" can brew myself some coffee.
> > >> >
> > >> > any one have any idea why this is happening.
> > >> >
> > >> > Regards
> > >> >
> > >> > joe
> > >> >
> > >> > ------------------------------------------------------------------------
> > >> >
> > >> > _______________________________________________
> > >> > Xen-users mailing list
> > >> > Xen-users@xxxxxxxxxxxxxxxxxxx <mailto:Xen-users@xxxxxxxxxxxxxxxxxxx> 
> > <mailto:Xen-users@xxxxxxxxxxxxxxxxxxx>
> > >> > http://lists.xensource.com/xen-users
> > >> What kernel are you running, and what architecture are you using, 32bit 
> > >> or 64bit? What does free -m report? and how much RAM does dmesg report?
> > >>
> > >>     
> > > ------------------------------------------------------------------------
> > >
> > > _______________________________________________
> > > Xen-users mailing list
> > > Xen-users@xxxxxxxxxxxxxxxxxxx <mailto:Xen-users@xxxxxxxxxxxxxxxxxxx>
> > > http://lists.xensource.com/xen-users
> > As you can see, it's not picking up the new RAM :)
> > This will help: 
> > http://blog.softdux.com/everything-todo-with-linux/help-centos-51-xen-kernel-doesnt-see-all-the-ram-in-my-pc.html
> >     
> ------------------------------------------------------------------------
>
>   
> MEMINFO
> MemTotal:       260864 kB
> MemFree:         43220 kB
> Buffers:         39452 kB


That shows only 2GB :)


--

Kind Regards
Rudi Ahlers
CEO, SoftDux

Web:   http://www.SoftDux.com
Check out my technical blog, http://blog.softdux.com for Linux or other 
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