VNX Experts- Any suggestions on how to do this VNX migration?

Hi All.
 
We may have a project coming up. Any suggestions on how to migrate what is below? Also, roughly how much time would you suggest is needed (factoring in possible issues)? Thanks guys!
 
10+ Hosts from HP/EVA and IBM/DS3400 to new EMC VNXe3200
There are 4 sites. All the servers are Windows and physical:
 
File Server (MS File Share services)          Windows Server 2003    1.5 TB   Flat File (1.2 TB)
(MS File Share services)   Windows Server 2003    500 GB Flat File (400 GB)
Backup Server (Backup Exec 2012)          Windows Server 2003    1 TB     Flat File (900GB)
File Server (MS File Share services)          Windows Server 2008 - Ent. 64 Bit          1.5 TB   Flat File (1.2 TB)
Backup Server (Backup Exec 2012)          Windows Server 2008 - Ent. 64 Bit          1.1 TB   Flat File (950GB)
(MS File Share services)   Windows 2003 Standard            1.4 TB   Flat File (700GB)
Database Server (Empower 3)       Windows Server 2008 - Ent. 64 bit          1.6 TB   Oracle DB (1.3TB)
Database (Empower 3 )    Windows Server 2008 - Ent. 64 bit          1.2 TB   Oracle DB (1.3TB)
(MS File Share services)   Windows Server 2008 - Ent. 64 Bit          1.4 TB   Flat File (1.3 TB)
(Backup Exec 2012)          Windows Server 2008 - Ent. 64 Bit          1.4 TB   Flat File (1 TB)
(MS File Share services)    Windows Server 2008 - Ent. 64 bit          1.4 TB   Flat File (1.3 TB)
Backup Server (Backup Exec 2012)          Windows Server 2008 - Ent. 64 bit          1 TB     Flat File (1 TB)
Database Server   Windows Server 2008 - Ent. 64 bit          1.3 TB   Oracle DB (200 GB)
Databse Server     Windows Server 2008 - Ent. 64 bit          1.8 TB   Oracle DB (160 GB)
Rhiaanon44Asked:
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Duncan MeyersCommented:
The simplest approach is to use EMC's PowerPath Migration Enabler. It's included with PowerPath that you'll need for MPIO for the physical servers and that you probably purchased with your array. If you haven't purchased it, contact your account team. You'll need the software keys - contact your account team for more details. Note that PowerPath Migration Enabler only works with fully licensed PowerPath. You can't used it with unlicensed PowerPath.

Possible issues include the age of the physical servers and storage and you've got a couple of 2003 boxes in there. You can use EMC's Open Migrator/LM for the older boxes. Many EMCers will have forgotten that the software exists, but it works a treat and it's free if you have a current maintenance contract.

For PowerPath, you'll need to reboot the servers when you install the software. Once the software's installed, you attach the storage from the new VNXe (another reboot may be required), then tell PowerPath to migrate the storage to the new LUNs, and it happens in the background. Once PowerPath tells you that the migration's completed, detach the HP or IBM storage and reboot to clean everything up. It's a really painless process. The process is similar for Open Migrator
Rhiaanon44Author Commented:
Hi Duncan,

Thank you for the info. What would be an estimate of time to migrate the amount of data with this process?
Duncan MeyersCommented:
You'll get 100-200GB an hour depending on how busy the server is. As it happens in the background, host I/O takes priority so a busy server will have a slower migration. Typically, you install PowerPath, enable the migration component, kick it off and let it do it's stuff for a few days (the data migration is completely non-disruptive) , then perform the final steps with the reboot necessary to clean everything up after you disconnect the original storage.

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Rhiaanon44Author Commented:
Awesome feedback and detail! I greatly appreciate the assistance and expert advice!!!
Duncan MeyersCommented:
No worries. Glad I could help.
Rhiaanon44Author Commented:
Hi Duncan. The arrays we may be migrating from,  HP/EVA and IBM/DS3400 to new EMC VNXe3200, may not be supported by PP. If not, Open Migrator should work correct? I have been trying to find EMC's Open Migrator/LM for Windows guide. Something that would verify the IBM and HP array could be migrated with OM. Any further info or links? Thank you!
Duncan MeyersCommented:
Open Migrator doesn't care what the underlying storage is, so it's handy for old stuff where PowerPath isn't supported. It operates at the volume level - you may need a couple of extra clean-up steps when you complete the migration, such as removal of the old SAN vendor's MPIO software and you may need to plan on installing PowerPath at that point if old and new won't happily co-exist. If you're in that situation where IBM or HP's MPIO won't play nicely with PowerPath, use the VNXe storage group to limit access to the LUN to a single path.

Lots of good documentation here (you'll need your EMC support login):
https://support.emc.com/products/36935
https://support.emc.com/docu9742_Open-Migrator-LM-for-Windows-3.12-Product-Guide.pdf?language=en_US
https://support.emc.com/docu19389_Open_Migrator/LM_for_Windows_3.12_Release_Notes.pdf?language=en_US
Rhiaanon44Author Commented:
Thank you again!
Duncan MeyersCommented:
No problem! Good luck with it
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