Re: [Xen-API] Memory problem Dom0

[Hector Alejandro Goncalves Pita <hectoragoncalvesp@xxxxxxxxx>]

Thanks for your answer, I think I am close to solve my problem but I
having this issue:

What's the way of getting dom0 uuid? I tried with xe vm-list and this
is the output:

uuid ( RO)           : ade312ba-6b59-97ea-bxe vm-param-set
uuid=fda030aa-e22d-48ac-9685-73b6bfb64534 memory-static-min=5368709120
memory-dynamic-min=5368709120
memory-dynamic-max=5368709120dd0-ce9a5759c80d
     name-label ( RW): Control domain on host: archector
    power-state ( RO): running

So I tried with this command:
xe vm-param-set uuid=ade312ba-6b59-97ea-bdd0-ce9a5759c80d
memory-static-min=5368709120 memory-dynamic-min=5368709120
memory-dynamic-max=5368709120

Getting this output:
You attempted an operation on a VM that was not in an appropriate
power state at the time; for example, you attempted to start a VM that
was already running.  The parameters returned are the VM's handle, and
the expected and actual VM state at the time of the call.
vm: ade312ba-6b59-97ea-bdd0-ce9a5759c80d (Control domain on host: archector)
expected: halted
actual: running

This is what I get with "xe host-list":
uuid ( RO)                : fda030aa-e22d-48ac-9685-73b6bfb64534
          name-label ( RW): archector
    name-description ( RW): Default install of XenServer

And with "xe vm-param-set uuid=fda030aa-e22d-48ac-9685-73b6bfb64534
memory-static-min=5368709120 memory-dynamic-min=5368709120
memory-dynamic-max=5368709120" I get:

The uuid you supplied was invalid.
type: VM
uuid: fda030aa-e22d-48ac-9685-73b6bfb64534 (archector)

When I try to do a "xe vm-pause
uuid=ade312ba-6b59-97ea-bdd0-ce9a5759c80d" I get:
Error: No matching VMs found

So I'm stuck again. What else you suggest?

Thanks in advance for your answer.

2013/10/21 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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