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xen-users
Re: [Xen-users] remus failure
On 2011-02-21, at 3:16 AM, <Takeshi.M@xxxxxxxxxxxxxxx> wrote:
> Hi Shriram,
> Thank you for the reply.
>
>> 1. What kind of workload were you running?
> I was running default processes started with OS in the case of Dom0 and DomU.
>
>> 2. Are there any debug outputs from xen when restoring the VM?
>> (you can do "xm dmesg" and you ll know if xen has any complaints) If the
>> error outputs from xen match with the one I had quoted in the email thread
>> you refer to, then I would get a clearer picture of how to help you out.
> The result of "xm dmesg" command at primary host is in "primary_xm_dmesg.txt"
> file attached to this e-mail.
> The result of "xm info" command at primary host is in "primary_xm_info.txt"
> file.
> The result of "xm dmesg" command at backup host is in "backup_xm_dmesg.txt"
> file.
Is this the xm dmesg output after destroying vm at primary ?
That is what I am looking for.
> The result of "xm info" command at backup host is in "backup_xm_info.txt"
> file.
>
> When "xm destroy DomU" command was executed at primary host, the xend log in
> backup host was created.
> The log is in "backup_xend.log" file.
> When "xm destroy DomU" command was executed at primary host, the rest of log
> in backup host was created.
> The log is in "backup_all.log" file.
>
> Details of my environment are as follows.
> - Xen version
> 4.0.2-rc1
> - Dom0 OS
> Fedora13 64bit(kernel 2.6.32.27-xen)
> - DomU OS
> CentOS5.4 32bit(kernel 2.6.18.8-xen)
> - kernel config(Dom0)
> "Dom0_.config" file.
> - kernel config(DomU)
> "DomU_.config" file.
> - Domain Config File
> "Guest02" file.
> - xend-config.sxp
> "xend-config.sxp" file.
> - Hardware
> Dell PowerEdge T110
> CPU : Xeon X3470 2.93GHz
> Memory : 8GB
>
> The procedure that I did is as follows.
> 1. Start Dom0 at primary host and backup host.
> 2. Start DomU at primary host. The DomU's name is Guest02.
> 3. Execute the "remus --no-net Guest02 10.21.35.30" command at primary host.
> Backup host's IP address is 10.21.35.30.
> 4. Execute the "xm destroy Guest02" command at primary host.
>
> Could you point them out if the mistakes are found in the above environment
> and procedure?
>
I don't see any. Though I don't understand why you would run with --no-net. But
let's do that once we solve the failover issue.
Shriram
> Thanks in advance.
> Best regards.
>
> -----Original Message-----
> From: Shriram Rajagopalan [mailto:rshriram@xxxxxxxxx]
> Sent: Sunday, February 20, 2011 12:35 PM
> To: Todd Deshane
> Cc: Mori, Takeshi (Takeshi.M@xxxxxxxxxxxxxxx); xen-users@xxxxxxxxxxxxxxxxxxx
> Subject: Re: [Xen-users] remus failure
>
> Yes, I had solved that issue (albeit the solution is a hack).
> I need the following info
> 1. What kind of workload were you running?
> 2. Are there any debug outputs from xen when restoring the VM?
> (you can do "xm dmesg" and you ll know if xen has any complaints) If the
> error outputs from xen match with the one I had quoted in the email thread
> you refer to, then I would get a clearer picture of how to help you out.
>
> cheers
> shriram
> On Sat, Feb 19, 2011 at 5:14 PM, Todd Deshane <todd.deshane@xxxxxxx> wrote:
>> Maybe Shriram has some tips. I just added him to the CC.
>>
>> On Wed, Feb 16, 2011 at 7:57 AM,
> <primary_xm_dmesg.txt>
> <primary_xm_info.txt>
> <backup_xm_dmesg.txt>
> <backup_xm_info.txt>
> <backup_xend.log>
> <backup_all.log>
> <Dom0_.config>
> <DomU_.config>
> <Guest02>
> <xend-config.sxp>
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