Re: [Xen-users] Using XEN 4.1 to run Windows 7 DOMU on SERVER1, replicated the HVM to SERVER2 using DRBD. Win7 DOMU doesn't boot in SERVER2 after replication

[Ian Campbell <Ian.Campbell@xxxxxxxxxx>]

On Fri, 2014-01-31 at 09:35 +0530, kamal kishi wrote:
> As per the DRBD status, yes the whole partition is transferred and
> up-to date.
> 
> 
> 
> But one more doubt what I have is as the starting address of the
> partitions of both servers are different, will this cause any issue
> with XEN finding the boot files in the replicated partition.?

I'm not sure what you mean here -- for things to work you *must* arrange
for whatever block device is exposed to be the guest to be
identical/in-sync on both ends.

I don't know much about DRDB but if /dev/drdb0 is the same logical
device on both ends I would hope that it doesn't much care about the
placement of the underlying physical medium used to provide the backing
store on both sides.

> How can I check if the filesystems are present??

fdisk, kpartx, mount, understanding DRBD enough to be sure (or to know
the appropriate tests/techniques, which I don't).

> Is there any info which XEN uses apart from .cfg file for tracking the
> DOM details.?

Runtime stuff is in xenstore.

You didn't answer my question about the disk configuration you are using
in the drdb case.

Ian.

> 
> 
> On Thu, Jan 30, 2014 at 8:28 PM, Ian Campbell
> <Ian.Campbell@xxxxxxxxxx> wrote:
>         On Thu, 2014-01-30 at 09:43 +0530, kamal kishi wrote:
>         >
>         > disk = [ 'phy:/dev/sda7,hda,w',
>         'file:/home/vmiso/windows764bitnew.iso,hdc:cdrom,r' ]
>         
>         
>         This is the working local disk based configuration?
>         
>         What do you have here in the drdb case?
>         
>         I'm afraid I don't know much about drdb so I can't comment on
>         your drdb
>         configuration but I presume you have confirmed that /dev/drdb0
>         appears
>         to contain the partition table and filesystems that you
>         expect?
>         
>         Ian.
>         
> 
> 
> 
> -- 
> Regards,
> Kamal Kishore B V
> 



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