Hello Daniel,

I am doing a "normal" scp: scp archive.iso root@(protected)
md5sums on some files when are you doing scp??

My hardware is modest: Intel Dual Core 3.2GHz, 3 GB RAM and 100MBps nics ...



Zavodsky, Daniel (GE Money) wrote:
> Hello,
>  What kind of scp are you using? I have done countless transfers
> of >2GB files and several >60GB files on x86_64 Dom-0 (whole guest
> images). What is your hardware configuration? I have always been using
> scp and ssh from RHEL mostly, but several times I had to tunnel through
> a ssh on Solaris. All seems to be OK though.
>  I have even restored a >600 GB database via the network in a
> Dom-U and it was OK. However, I have not tried such things in a fully
> virtualised guest.
>
>
> Regards,
>  Daniel
>
>
> -----Original Message-----
> From: rhelv5-list-bounces@(protected)
> [mailto:rhelv5-list-bounces@(protected)
> Sent: Tuesday, April 15, 2008 3:45 PM
> To: rhelv5-list@(protected)
> Subject: [rhelv5-list] Kernel-xen bug in rhel5.1 (md5sums are wrong)
>
> Hi all,
>
>  I have an interesting problem derivated from my other threads:
>
>  https://www.redhat.com/archives/rhelv5-list/2008-April/msg00111.html
>  https://www.redhat.com/archives/rhelv5-list/2008-April/msg00116.html
>
>  I have installed a new server with rhel5.1 x86_64 and xen. Afterwards,
> I have installed another rhel5.1 x86_64 as a domU (paravirtualized).
>
>  When I try to copy a 465MB's or 650MB's file to domU, md5sum is ok.
> But when I try to copy a 1GB file or more, md5sums are wrong. Same
> result if I try to copy from domU. for example:
>
>  Original file md5sum is 89fbc4c7baafc0b0c05f0fa32c192a17 and it is
> ok.
>
> - Launching scp command from my laptop to domU and destination is a
> folder on domU:
>
>  2767e3c839a7a1688323f85826e3b442 win2k8stdeval.iso (it is wrong)
>
>  - launching scp command from domU to my laptop and destination is a
> folder on
> domU:
>
>  b125e99f5c0c46bee71b1ef5cc1c039d win2k8stdeval.iso (it is wrong)
>
>
>  tx flag on domU is off.
>
>  Ok, If i try to copy the same iso file to dom0 or form dom0 like I
> explain for domU, results are the same: md5sums are wrong. But If I
> start this server using normal kernel (not xen enabled) all md5sums are
> ok (from host and to host).
>
>  Please, somebody from redhat can confirms me that this is a bug?? is
> it or would be resolved on rhel5.2?? IMHO until this issue is not
> resolved, it isn't safe to use rhel5-xen on production environments ....
>
> Many thanks.
> --
> CL Martinez
> carlopmart {at} gmail {d0t} com
>
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>
>
>
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>


--
CL Martinez
carlopmart {at} gmail {d0t} com

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