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vmware and VSA -> Raid

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Last Modified: 2016-12-08
Hi Experts,

when I have 3 servers , Dell720xd, and I want to use VSA, which raid is the best ?
Because on the hosts I have to setup the raid, and I can choose between 5,50,6,60 and so on.
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Andrew Hancock (VMware vExpert PRO / EE Fellow)VMware and Virtualization Consultant
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Commented:
You will need to select based on performance and storage size?

Do you want MAXIMUM PERFORMANCE?

Or Best for Storage available?
Eprs_AdminSystem Architect

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Commented:
each server has 9 TB.
Eprs_AdminSystem Architect

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Commented:
with bother servers I want to use VSA.
I want good performance but I will not loose so much space...
Eprs_AdminSystem Architect

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Commented:
which you would recommend for using VSA ?
Andrew Hancock (VMware vExpert PRO / EE Fellow)VMware and Virtualization Consultant
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Commented:
RAID 10
Eprs_AdminSystem Architect

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Commented:
ok but here I loose 50% of the capacity.
Where do I set this on the host or on the VSA ?
Eprs_AdminSystem Architect

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Commented:
on the hosts I can set more different virtual drives.
can I choose here just one drive with all capacity and later I can set more LUN´s with the VSA ?
Eprs_AdminSystem Architect

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Commented:
when I have 9.2TB on each server. I have two hosts.
How much I have with VSA and Raid10 ?
Andrew Hancock (VMware vExpert PRO / EE Fellow)VMware and Virtualization Consultant
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What size of disks do you have in the server?
Eprs_AdminSystem Architect

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Commented:
I have 8 disks in each server with 1.2TB each.
Total in one server 8x 1.2TB
Andrew Hancock (VMware vExpert PRO / EE Fellow)VMware and Virtualization Consultant
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Okay, so configured as RAID 10

4.8TB (approx 4.5 usable for VSA, clustered between both Nodes)
Eprs_AdminSystem Architect

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Commented:
Ok, for VSA I have to count both servers.
The capacity for VSA is 9.2*2/2 = 9.2.
With Raid10 I will have 4.8TB netto for data.
Right ?
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Eprs_AdminSystem Architect

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ok, that means in VSA I cannot setup LUN´s ?
That has to be done before?
Andrew Hancock (VMware vExpert PRO / EE Fellow)VMware and Virtualization Consultant
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Commented:
1. Provision your hardware and storage and create RAID arrays.

1A. Install ESXi 5.5 and create datastores (4.5TB)

2. Install VSA using the 4.5TB datastore.

3. Then provision LUNs from VSA. (out of the chunk of 4.5TB)
Eprs_AdminSystem Architect

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Commented:
ok thanks a lot
Andrew Hancock (VMware vExpert PRO / EE Fellow)VMware and Virtualization Consultant
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No problems, thanks.
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