DATA Center rebuilding

Dear Experts,

I have a customer that have primary data center and Backup Data center, these data centers are old , this customer want to rebuild both data centers with new standards of new data centers, but without affecting the users.
Does anyone can help me with an action plan to do this and if there is a sample project I will appreciate the work flow and action plan for that project.

Thanks And Regards,
Who is Participating?
andyalderConnect With a Mentor Commented:
7 racks full of servers still needs qualifying, let's say they are old big-box servers , that could mean as few as 35 old servers, it may be able to consolidate that into one rack if you use virtualization, maybe even down to a single blade enclosure. Depends if their room refresh coincides with a server refresh. Storage doesn't shrink as much as servers, they may need a big SAN and that could be a whole rack full of disks.

If it's going to be consolidated then 11x11m is going to be far too big since you'll probably want just 4 racks, if they have a spare room about 5mx4m you could build a 3rd server room in there while maintaining both current server rooms, then migrate the backup room to it and then rebuild the old backup room as the new main server room and finally give them the 11x11m room back as office space. VMware converter will do the actual migration for you and I'm sure MS Hyper-V and Xen have something similar.

Raised floors are nice although cable trays dropped from the ceiling work pretty well, cooling is the biggest concern though. Take a look at it may not be appropriate for small scale DC but the concept is the same, you want the cold air from the HVAC to go into the front of the racks before it mixes with the warm air in the room, and you want the hot air out the back of the racks to go straight into the HVAC instead of mixing with the warm air. You may also look at in-row cooling, these are special racks with a mini HVAC in the middle - see for example. You'll need a plumber of course plus an external wall for the external water-to-air heat exchangers.
Mohammed KhawajaManager - Infrastructure:  Information TechnologyCommented:
This is a wide scope.  What are you implying, power, cooling, networking, racks, servers, storage ???

For a new DC, below are the minimum requirements for me:

1. Secure location (i.e. don't build it in a building besides a river)
2. Security (must have cameras, alarms, secure entrance such as biometrics, etc.)
3. Escort entry (some one must escort visitors)
4. Redundant power feeds
5. Redundant cooling
6. Large UPS capacity to ensure no downtime (i.e. minimum 2 hours)
7. Backup generator
8. Environmental monitoring and alerting
9. Redundant WAN feeds (if applicable)
10. Redundant Internet feeds
11. Proper racks (ventilation, blanker plates, etc.)
12. Load Balancers in a redundant configuration
13. Minimum Layer-3 switching
14. Expandable computing/storage hardware (i.e. Cisco UCS, IBM Flex System, etc.)
15. Agreements and SLAs with Telco, hardware providers, diesel suppliers, etc.
16. Spare parts housing
17. Enterprise level monitoring and alerting system for computing environment
18. Raised floors
19. Facilities/infrastructure testing (i.e. diesel generator testing, etc.)
20. Proper documentation, documentation, documentation and documentation
Building a data center is highly specialized work.

E.g. things like air flow (that used not to matter) need to be carefully designed in order to meet all kinds of standards.

Hire a specialized firm for both design and implementation.  Really, don't attempt DIY.
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It might say datacenter in the question but it probably boils down to server room in reality. How many racks are you talking about oamal2001?

A lot of mnkhawaja's points are valid although beside a river can be an ideal place for a large DC, hydro power may be available cheaply and you may be able to dump excess heat there instead of having to build cooling towers.

They forgot to mention the security staff have to tell all visitors to go away because their name is not on the list even when it is.
oamal2001Author Commented:
Dear All,

Thanks for you response, andyalder I think you are right it is a server room more than a data center there is seven racks , one of them will be for network and the others are for servers , the primary site is 11x11 meters and the Backup one is 11x4 meters.
I need an action plan sample that I can use as a guide, this action plan should not affect the users of the network.

Can you use this as an opportunity to virtualize?  You'll be able to free up rack space gradually if you can get a 42u rack on wheels with a blade chassis, SAN, and top-of-rack switch.

As you P2V, you can clear out  a rack full of physical servers.  Decommission drives.  Power down.  Disassemble rack.  Install new rack.  Install second blade chassis, SAN, and top-of-rack switch.  This is now your production VM environment.

Migrate storage and VMs from the rack on wheels to the new (bolted-down) rack.  Now you can ship the first rack of gear to your second datacenter to begin P2V there.

Cisco/vmWare/NetApp have a FlexPod concept that uses a chassis with capacity for 8 half-width blades or 4 full-width blades.  The half-width top out at 2 sockets.  The full-width can go to 4 sockets and 1.5TB of RAM.  The small NetApp appliance can be a dual-head.  A full internal shelf of 600GB SAS drives will give you 2 aggregates of ~4TB each.  Enough to get started with virtualizing.  You can add 4 or 5 more shelves to the controller, which stack with 6Gb SAS cables.

That's a lot of VM capacity in less than 12u of space.  You could displace 100 older physical servers.  And, you'd reduce power and cooling requirements.
oamal2001Author Commented:
Dear aleghart,
Thanks for you response, virtualization option is a good solution but is it possible for IBM P series servers with AIX installed.

P-series did virtualization a long time before VMware came along, in fact they did it before they were named p-series. There again there are quite complicated skills needed Vs VMware that any idiot can do.
Mohammed KhawajaManager - Infrastructure:  Information TechnologyCommented:
IBM now calls the I an P series as Power Series and they have great virtualization capabilities.  You could virtualized multiple P series to one server. You could then proceed to virtualized your Intel servers.  What you need to do is standardize on one storage which could be used by all servers and in our case we standardized on IBM v7000 as we are an IBM shop.  
As you are looking at a server room then you must concentrate mostly on power, cooling, redundant WAN/Internet feeds, UPS, etc but more importantly on consolidation and virtualization.
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