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Re: [Xen-users] Hardware upgrade

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 
technical stuff, or visit http://www.WebHostingTalk.co.za for Web Hosting stuff


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