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VSA 4TB limit question
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Mike Tree OCCASIONAL CONTRIBUTOR
11-27-2017 03:45 AM
VSA 4TB limit question
Hi,
I wondering if anyone can help, we are looking like to purchase this:
HPE StoreVirtual VSA 2014 Software 4TB 3 Pack E-LTU Q5T60AAE
I believe it allows us to install the software on 3 x 4TB raw storage nodes, my question is will it allow us to create 6TB worth of RAID10 luns split across the 3 x nodes or 8TB RAID5 luns
split across the 3 x nodes?
thank you in advance
Mike.
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oikjn
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HONORED CONTRIBUTOR
11-27-2017 08:09 AM
Re: VSA 4TB limit question
for NR10, your consumed space is 2x the usable space, so with 3x4TB nodes, you have roughly 12TB of raw space which will yield you 6TB of usable space when configured as NR10.
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Mike Tree
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OCCASIONAL CONTRIBUTOR
11-27-2017 08:13 AM
Re: VSA 4TB limit question
Hi oikjn,
thanks for your reply, will the license allow us to create 6TB's of Volumes? or will it limit the volumes to 4TB ?
thanks
mike
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Fran_delaTorre
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HPE PRO
04-25-2018 01:46 AM
Re: VSA 4TB limit question
Hello Mike,
4TB Storevirtual liceses allow you to create 4TB VSA storage nodes then once the Mangaement group is created and then the cluster you will be able to use all cluster capacity as you
wish creating volume of any size.
Notice what is previously commented that Network RAID 10 will consumre 2x volume size space.
Francisco de la Torre Rodriguez
EMEA LHN CoE Engineer
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ThanhDatVo
ADVISOR
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04-27-2018 01:06 AM
Re: VSA 4TB limit question
Hello Mike,
You can create as many LUN's on the shared cluster (12TB raw space) as you'd like with any size as you'd like.
Each LUN can be defined as Network RAID 10 or Network RAID 5. You can also mix NR10 LUN's and NR5 LUN's on the same cluster
For each LUN you can choose between thin or thick provisioning (with NR5, only thin provisioned is possible, NR10 supports both types)
You can store a theoretical max of 6TB in NR10 or 8TB of NR5. Keep in mind that you do need some free space on each LUN & the cluster for your storage to perform properly.
If you need performance, NR5 is definitely not recommended. Also performance degradation is insane when one node goes down.
A single LUN for the entire cluster is also configurable but not recommended.
Multiple LUN's with a thick provisioned NR10 is recommended.
Kind regards,
Thanh Dat Vo
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The opinions expressed above are the personal opinions of the authors, not of Hewlett Packard Enterprise. By using this site, you accept the Terms of Use and Rules of Participation.
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