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macpiano
Contributor
Contributor
‎04-22-2012 07:15 PM

Question on Datastores-how many on single system?

I am rebuilding a host server that houses that datastore as well. No San available but you have to use what you got. Since 5 can do more than 2TB and I can have a 4 TB partition with 8 1 gig drives in a Raid 10 config would one large datastore be all right. I know that no actual vm can be bigger than 2 TB but that is not an issue for now.

thanks

gary

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4 Replies
vcpguy
Expert
Expert
‎04-22-2012 08:53 PM

I think max you can have is 256 datastores.

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mydearcosmo
Contributor
Contributor
‎04-23-2012 01:15 AM

May I ask where can you get more information about this? I just want to be sure that the max is 256 datastores.

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continuum
Immortal
Immortal
‎04-23-2012 01:36 AM

I dont like 4 tb datastores on local disks - if you ever have an issue with that datastore you can not create a full backup during the night.

Last week I had to recover data from a 3.2 Tb datastore and could not even start my regulat routine as we had no time to take a dd-image of that datastore.
In case my customer had used several 1 Tb datastores I would have been able to create an image during the night.


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Sreejesh_D
Virtuoso
Virtuoso
‎04-23-2012 02:31 AM

The max VMFSVolumes (datastores) per ESXi 5 host is 256.
Reference : Table-4 (Storage Maximums) in  Config max guide -http://www.vmware.com/pdf/vsphere5/r50/vsphere-50-configuration-maximums.pdf
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