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Installing SolusVM on multipul Disks

Posted on 2010-08-18
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Hello,

I want to install solusvm (openvz) onto a R805 with 5 x 500GB disks.

The disk = 500GB, Near Line SAS 6Gbps, 2.5-in, 7.2K RPM
Processor = 2x AMD Opteron™ 6136, 8C, 2.40GHz, 8x512K L2 Cache
Memory = 64GB Memory, DDR3, 1333MHz (16 x 4GB DIMMs)

Iis it possible to create a datastore per disk or will be be okay just to install it on the server and have a hot spare?

I'm a little bit worried about the IO count slowing down the servers, we're running 115 virtual servers across 25 servers which are one AMD x4 processor with 8GB Ram and two 500GB Disks (RAID 1)

We wanted to push these into 4 bigger servers, now we worked out that in theory they will fit, but I didn't know if having 30 virtual servers ( a mixture of windows and linux ) will cause performance issues...

as in the past we've had an i7 with 24GB ram, filled it with 24 servers all with 1GB memory (used about 18GB of the 24) and noticed performance issues with things slowing down despite the memory usage was 18gb and the CPU was running at half (3.22GHz CPU).

Any advice would be great.
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Question by:NickPreston
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bgoering earned 2000 total points
ID: 33471445
I have run 50 to 60 virtual servers on IBM 3950M2 w/128GB SAN RAID5 storage with no ill effects. This on VMware ESX - so don't know about container vms like openvz. All I can say is big enough hardware should handle it.

I would absolutely recommend SAN storage to handle the I/O load though...

Good Luck
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by:NickPreston
ID: 33471574
Yeah we looked into SANs but they are out of our budget for the amount of storage we would require, so for the time being we are using local storage.

I presume that it won't be a problem?
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by:bgoering
ID: 33473506
I woulddn't expect any problems. I would recommend configuring your drives into a raid 5 for the best combination of capacity and redundancy. Don't forget to allocate one drive as a hot spare.

Good Luck
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