SAP ECC 6 Upgrade to 2008 R2 and Virtualization success/failure stories

Hi Sap community,
I'm planning the following upgrade on my SAP Ecc 6.0 :
Source CI : physical server on windows 2003 x64 SP2,
Target CI : virtual server under vsphere 5.0 Windows 2008 x64 R2,
Source DB : physical server on windows 2003 x64 SP2, SQL 2005 SP2
Target DB : virtual server on windows 2008 x64 R2, SQL 2008 R2
Target physical boxes are not the same as source..
I've already verified pre-requisites, best practices, upgrade path on notes, forums,etc ..
What I haven't found, are the different experiences (success or failure stories) people had with performances while performing such an upgrade, especially with the path I want to use :
1) P2V the 2 servers
2) Upgrade to W2008 R2
3) Upgrade SQL to SQL 2008 R2
Although technically it works (tested on sandbox) I'm just wondering in a long term and with load, if such a enviroment will run without issues in production.
I know that some of you will advice me to create new clean installs and use "system copy" but I would like to avoid changing my hostnames because of dependencies (with BI, CRM, transport system etc...) UNLESS someone tells me that he experienced the P2V method and lived a nightmare.
My second question would be : for the DB : has someone tested having DB on VMDK disks versus RDM disks.
Thank you
Jorge

Hi,
What I haven't found, are the different experiences (success or failure stories) people had with performances while performing such an upgrade, especially with the path I want to use :
1) P2V the 2 servers
2) Upgrade to W2008 R2
3) Upgrade SQL to SQL 2008 R2
Answer to your above 3 questions : approach has been successful. I had done it at 2 places.
My second question would be : for the DB : has someone tested having DB on VMDK disks versus RDM disks.
Please find more details about VMDK and RDM in the links below. Further more you can have maximum details about your query from the link below.
VMware documents regarding SAP products
Hope this answers all your queries.
Regards,
Deepak Kori

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Workprocess Table (long)               Wed Oct 28 03:57:23 2009
========================
No Ty. Pid      Status Cause Start Err Sem CPU    Time Program          Cl User         Action                    Table
0 DIA     2412 Ended         no      1   0        0
1 DIA     2420 Ended         no      1   0        0
2 DIA     2428 Ended         no      1   0        0
3 DIA     2436 Ended         no      1   0        0
4 DIA     2444 Ended         no      1   0        0
5 DIA     2452 Ended         no      1   0        0
6 UPD     2460 Ended         no      1   0        0
7 ENQ     2468 Ended         no      1   0        0
8 BTC     2476 Ended         no      1   0        0
9 BTC     2484 Ended         no      1   0        0
10 BTC     2492 Ended         no      1   0        0
11 SPO     2500 Ended         no      1   0        0
12 UP2     2508 Ended         no      1   0        0
Dispatcher Queue Statistics               Wed Oct 28 03:57:23 2009
===========================
--------++++--+
| Typ |    now |   high |    max | writes | reads |
--------++++--+
| NOWP |      0 |      2 |   2000 |      6 |      6 |
--------++++--+
| DIA |      5 |      5 |   2000 |      5 |      0 |
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| UPD |      0 |      0 |   2000 |      0 |      0 |
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| ENQ |      0 |      0 |   2000 |      0 |      0 |
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| BTC |      0 |      0 |   2000 |      0 |      0 |
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| SPO |      0 |      0 |   2000 |      0 |      0 |
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| UP2 |      0 |      0 |   2000 |      0 |      0 |
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max_rq_id          12
wake_evt_udp_now     0
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