Re: [Xen-devel] Error migrating VM to secondary host using COLO replication

[Wen Congyang <wency@xxxxxxxxxxxxxx>]

On 10/28/2016 06:56 AM, Sadi wrote:
> Hello,
> 
> I've been trying to set COLO replication to work but i'm stuck on a problem 
> when migrating de primary VM to secondary host.
> 
> I have been following the instructions from this wiki
> 
> - http://wiki.xenproject.org/wiki/COLO_-_Coarse_Grain_Lock_Stepping
> 
> and this mail thread
> 
>  - 
> http://xen.markmail.org/search/?q=COLO#query:COLO+page:1+mid:fb7wrn62vbks4unn+state:results
> 
> I'm anexing the steps i took setting the environment before facing this 
> problem when executing 'xl remus' command:

Sorry for the late reply.

> 
>>migration target: Ready to receive domain.
>>Saving to migration stream new xl format (info 0x3/0x0/2840)
>>Loading new save file <incoming migration stream> (new xl fmt info 
>>0x3/0x0/2840)
>>Savefile contains xl domain config in JSON format
>>Parsing config from <saved>
>>xc: info: Saving domain 2, type x86 HVM
>>xc: info: Found x86 HVM domain from Xen 4.7
>>xc: info: Restoring domain
>>xc: Frames iteration 0 of 5: 1045504/1045504  100%
>>xc: Domain now suspended: 0/0    0%
>>libxl: error: libxl_qmp.c:702:libxl__qmp_initialize: Connection error: No 
>>such file or directory
>>libxl: error: libxl_colo_restore.c:817:colo_restore_setup_cds_done: COLO: 
>>failed to setup device >for guest with domid 1

According to the log, we cannot connect to the secondary qemu. Can you give the 
secondry qemu log?

Thanks
Wen Congyang

>>xc: error: Restore failed (38 = Function not implemented): Internal error
>>libxl: info: libxl_colo_restore.c:320:libxl__colo_restore_teardown: colo fails
>>libxl: error: libxl_stream_read.c:852:libxl__xc_domain_restore_done: 
>>restoring domain: Function >not implemented
>>libxl: info: libxl_colo_restore.c:320:libxl__colo_restore_teardown: colo fails
> 
> I'm hoping that someone could provide with directions.
> 
> Thanks for your time and sory for bad english (not native language).
> 
> 
> Sadi.
> 
> 
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> https://lists.xen.org/xen-devel
> 




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