RE: [Xen-users] Can't install Windows 2003 on SLES10SP1

["Dustin Henning" <Dustin.Henning@xxxxxxxxxxx>]

        I really don't know.  I don't use file-based disks at all, so it was
just a thought.  Additionally, I am not familiar with cfdisk.  However, I
don't understand how cfdisk or kpartx (another tool I am unfamiliar with)
could differentiate between sparse and solid files, as I would expect the
underlying file system to deal with that.
        Dustin

-----Original Message-----
From: xen-users-bounces@xxxxxxxxxxxxxxxxxxx
[mailto:xen-users-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of Alexander
Hoßdorf
Sent: Tuesday, July 15, 2008 16:05
To: Dustin.Henning@xxxxxxxxxxx
Cc: xen-users@xxxxxxxxxxxxxxxxxxx
Subject: Re: [Xen-users] Can't install Windows 2003 on SLES10SP1

Hi Dustin,

I don't think this is possible.
You can't even read a hvm guests sparse disk file using tap:aio, with 
cfdisk when it's ext3 formatted.
Or am I wrong?

Cheers,

Alex


Dustin Henning schrieb:
>       Even if you couldn't create a sparse file formatted with ntfs
> directly from dd (which doesn't sound plausible), couldn't you create the
> sparse file, partition it, and then format the appropriate partition with
> mkfs.ntfs (after making the file accessible in /dev with whatever tools
are
> necessary on a given distro)?  This still might not cut it, though,
because
> Server2003 might be as picky about the formatting as XP SP1+ (prior to XP
> SP1 or SP2, I always used 8-64K clusters on my Windows partition, after
> that, I had to use the default ntfs format [512 byte clusters?] or Windows
> couldn't boot).
>       Dustin
>
> -----Original Message-----
> From: xen-users-bounces@xxxxxxxxxxxxxxxxxxx
> [mailto:xen-users-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of Alexander
> Hoßdorf
> Sent: Tuesday, July 15, 2008 07:26
> To: James Pifer; xen-users@xxxxxxxxxxxxxxxxxxx
> Subject: Re: [Xen-users] Can't install Windows 2003 on SLES10SP1
>
> James Pifer schrieb:
>   
>>>         
>>>         
>>>         By the way, don't use sparse files if you don't have to.
>>>     
>>>       
>> Why not use sparse files?
>>
>>   
>>     
>>>         
>>>
>>> Looked like SLES 10 SP1 as the dom0 OS, and the version of Xen there
>>> would be 3.1 I believe (or maybe a 3.0.x variant). SLES 10 SP2 has Xen
>>> 3.2.
>>>  
>>>     
>>>       
>> Yes, SLES 10 SP1. xen version is actually 3.0.4.
>>
>>   
>>     
>>> The format should complete and then the initial file copy for Windows
>>> begin (enough to set up the actual graphical part of the Windows
>>> installation). Are you saying you consistently don't get this initial
>>> file copy to occur? Is it an unexpected reboot of domU, or are you
>>> prompted to do it? 
>>>
>>>     
>>>       
>> Correct, at the point it should start copying files the domU reboots, by
>> itself. 
>>
>>
>>   
>>     
>>> In addition to not using sparse files (again shouldn't really affect
>>> things too much) I'd also suggest setting dom0 memory to a low value.
>>> What's the overall RAM in the system? setting dom0 down to 512M should
>>> be fine: xm mem-set domain0 512 for example...
>>>
>>>     
>>>       
>> I do have memory restricted for dom0 on my production servers, which
>> have anywhere from 8 to 16 gig of RAM. I have not limited on this
>> machine yet, which has 4 gig of ram. 
>>
>> I have also tried using an ISO for the install instead of the CD and it
>> does the exact same thing. 
>>
>> I could install SP2 and see if that makes a difference. Anyone know the
>> commands to create a sparse file pre-formatted to ntfs using dd? Time to
>> google I guess. 
>>
>> Thanks,
>> James
>>
>>
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>>     
>
> #I could install SP2 and see if that makes a difference. Anyone know the
> #commands to create a sparse file pre-formatted to ntfs using dd? Time to
> #google I guess.
>
>
> Hi James,
>
> I don't think it's possible to format a sparse file natively with ntfs 
> under linux.
> But maybe I'm wrong.
>
> But if you think this helps,
> I can send you a ntfs fomatted sparse file.
> Just let me know the size.
>
>
>
> Regards,
>
> Alex
>
>
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