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Re: [Xen-users] Hardware upgrade

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Subject: Re: [Xen-users] Hardware upgrade
From: Rudi Ahlers <Rudi@xxxxxxxxxxx>
Date: Fri, 23 May 2008 10:43:54 +0200
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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

free -m:

total       used       free     shared    buffers     cached
Mem:           254        212         42          0         38         59
-/+ buffers/cache:        114        140
Swap:         8001          0       8001

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.


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
> ------------------------------------------------------------------------
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> Xen-users mailing list
> Xen-users@xxxxxxxxxxxxxxxxxxx <mailto:Xen-users@xxxxxxxxxxxxxxxxxxx>
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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
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


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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