jskfan

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Something is not correct, because they should be a single datastore.<br />
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The hosts think they are different, and therefore not shared.<br />
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How did you create and present them to the hosts ?
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Here is a tutorial for setting OpenFile with Shared Storage:<a href="https://www.vmwarebits.com/content/install-and-configure-openfiler-esxi-shared-storage-nfs-and-iscsi" rel="ugc">https://www.vmwarebits.com/content/install-and-configure-openfiler-esxi-shared-storage-nfs-and-iscsi</a><br>Reviewing it should help breaking the "shared"
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Yes, ESX hosts are in the same Cluster<br />
Would that make adding a shared Datastore to one ESX host will add it automatically to the other ESX Host ?
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You create a datastore on a single host, and then add that datastore to the other hosts.<br />

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That s what I did .. I have added a shared store to one Host and when I selected the other host I found out that the Datastore is showing up
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Actually I added total 3 shared datastore to one ESX host, the other ESX host got them.. is it supposed to be that way when Hosts are in the same Cluster ?
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when you add new datastore to an ESX host you will be presented by the available LUNs ...each datastore you create you select the corresponding &nbsp;LUN<br />
in my case both ESX Hosts are seeing the same LUNs<br />
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For instance if you create Shared Datastore 1 from LUN1 on ESX Host 1, since ESX Host2 also is seeing the same LUN1 then the corresponding Share Datastore 1 will also be seen by ESX Host 2
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Yes, but if the datastores all have different datastores names on all the hosts, this is not correct.<br />
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they should all have the same name.
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Both ESX hosts see the same Shared Datastores... Screenshots below for both ESX hosts datastores (local+Shared)<br />
<a href="https://filedb.experts-exchange.com/incoming/2020/04_w14/1448819/1.JPG" target="_blank" title="a (56 KB)"><img alt="a" class="file-block lazyload" style="max-width: 800px;" data-src="https://filedb.experts-exchange.com/incoming/2020/04_w14/800_1448819/1.JPG" /></a><a href="https://filedb.experts-exchange.com/incoming/2020/04_w14/1448820/2.JPG" target="_blank" title="a (53 KB)"><img alt="a" class="file-block lazyload" style="max-width: 800px;" data-src="https://filedb.experts-exchange.com/incoming/2020/04_w14/800_1448820/2.JPG" /></a>
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2.JPG

1.JPG

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I think it's because you have your hosts as a cluster...if i am not mistaken you have made the mapping on cluster level not on ESXi host. 
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Probably that s how it supposed to work.<br />
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Thank you Guys
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<div class="content wysiwyg-content">
Understanding Shared Datastore.<br />
<br />
I have Storage with 3 LUNs:<br />
<a href="https://filedb.experts-exchange.com/incoming/2020/04_w14/1448580/lun.JPG" target="_blank" title="a (63 KB)"><img alt="a" class="file-block lazyload" style="max-width: 800px;" data-src="https://filedb.experts-exchange.com/incoming/2020/04_w14/800_1448580/lun.JPG" /></a><br />
in Vcenter Storage they show up as 3 individual DataStores.<br />
I have added all 3 Datastores to one ESX &nbsp;host, then I realized they show up on the other ESX host too.<br />
<a href="https://filedb.experts-exchange.com/incoming/2020/04_w14/1448581/dstore.JPG" target="_blank" title="a (57 KB)"><img alt="a" class="file-block lazyload" style="max-width: 800px;" data-src="https://filedb.experts-exchange.com/incoming/2020/04_w14/800_1448581/dstore.JPG" /></a><br />
I would like to know what makes this Datastore settings replicate to the other ESX host.<br />
<br />
Thank you
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lun.JPG

dstore.JPG

Understanding Shared Datastore.

I have Storage with 3 LUNs:


in Vcenter Storage they show up as 3 individual DataStores.
I have added all 3 Datastores to one ESX  host, then I realized they show up on the other ESX host too.


I would like to know what makes this Datastore settings replicate to the other ESX host.

Thank you

Understanding Shared Datastore.

VMware, a software company founded in 1998,  was one of the first commercially successful companies to offer x86 virtualization. The storage company EMC purchased VMware in 1994. Dell Technologies acquired EMC in 2016. VMware’s parent company is now Dell Technologies.

VMware has many software products that run on desktops, Microsoft Windows, Linux, and macOS, which allows the virtualizing of the x86 architecture.  Its enterprise software hypervisor for servers, VMware vSphere Hypervisor (ESXi), is a bare-metal hypervisor that runs directly on the server hardware and does not require an additional underlying operating system.