Re: [Xen-API] Memory problem Dom0

[Brian Menges <bmenges@xxxxxxxxxx>]

http://support.citrix.com/article/CTX134951

If you do not have xen-cmdline, then I believe the last time I did this was an 
xe command increasing the memory assigned to dom0's memory domain in the xapi. 
Here's an example command:

xe vm-param-set uuid=<dom0 UUID> memory-static-min=8589934592 
memory-dynamic-min=8589934592 memory-dynamic-max=8589934592

That's the number for 8gb by the way.


---------------------------------------------------------
Brian S. Menges
Principal Engineer, DevOps
2 Harrison, Suite 200|San Francisco, CA|94105
D 415.869.7000|F 415.869.7001
________________________________________
From: xen-api-bounces@xxxxxxxxxxxxx [xen-api-bounces@xxxxxxxxxxxxx] on behalf 
of Hector Alejandro Goncalves Pita [hectoragoncalvesp@xxxxxxxxx]
Sent: Sunday, October 20, 2013 18:38
To: xen-api@xxxxxxxxxxxxx
Subject: [Xen-API] Memory problem Dom0

Hi everyone, I'm a complete newb using Xen-XCP-XenServer, I'll
describe my setup:

 - Debian Wheezy on a Phenom II X4 machine, 8gb of RAM, installed on a logical
   volume of LVM, Ati Radeon 5770 Graphics.
 - Installed xcp-xapi on that machine.

The first problem I had was the fglrx module not working well with the kernel
provided by xen (blank screen after loading up), I solved it by adding this two
lines in "/etc/default/grub":
 GRUB_CMDLINE_LINUX_DEFAULT="radeon.blacklist=1"
 GRUB_CMDLINE_LINUX="apparmor=0 nopat"

I went with xcp-xapi solution instead of going straight with XenServer because i
could use the my computer normally like there isn't a type 1 hypervisor
running, but i can't reallocate more memory for my Dom0 host, right now I'm
just using 1GB of my total 8GB, I want a minimum of 4GB if that could be
possible, this is what I already done trying to solve this problem:

 - Added this line in "/etc/default/grub" (Of course I ran update-grub
after that):
      GRUB_CMDLINE_XEN="dom0_mem=4G,max:4G"

 - Edited "/etc/xen/xend-config.sxp" with this values:
      (dom0-min-mem 4096)
      (enable-dom0-ballooning no)
      (total_available_memory 0)

 - Uncommented autoballoon=0 on "/etc/xen/xl.conf"

 - Tried to modify
"/sys/devices/system/xen_memory/xen_memory0/target_kb" with the value
I want but it keeps changing itself to 1297408.

I run out of ideas, what else I can do?

Thanks in advance for your time, have a nice day.

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