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HOW TO: Fix An error has occurred adding datastores to an ESXi v.x host

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Published: 2014-10-29

Browse All Articles > HOW TO: Fix An error has occurred adding datastores to an ESXi 5.x host

In my previous Experts Exchange Manufactures, most have featured Basic and Intermediate VMware and Virtualisation Topics.

If you would like to read my Basic VMware manufactures,  they are listed at the terminate of the article for your convenience.

During this series of articles VMware released VMware vSphere 5.5 and VMware vSphere Hypervisor ESXi v.five. These articles are too applicative to VMware vSphere Hypervisor ESXi 5.0 and five.v. For consistency, I have used VMware vSphere Hypervisor ESXi 5.1 throughout this series.

I experience this is a little more advanced, and then I've not included it in the Basic VMware article series, as it does require some basic Linux skills and command line usage.

Last week, whilst installing VMware vSphere Hypervisor ESXi 5.5 U2 I came across an issue, when trying to add together a VMFS5 datastore to an ESXi 5.5 U2 server the following mistake message was displayed".

Call "HostDatastoreSystem.QueryVmfsDatastoreCreateOptions" for object "datastoreSystem-twenty" on vCenter Server "hostname" failed."

and the datastore failed to be created. It surprised me that this issue withal exists with VMware vSphere Hypervisor ESXi v.5 U2.

Creating a new VMFS datastore is covered in Step 4 - Conducting a simple task using the VMware vSphere Customer of this Article -Function 2: HOW TO: Connect to the VMware vSphere Hypervisor five.i (ESXi 5.i) using the vSphere Client

In this article we will bear witness youHOW TO: Fix An error has occurred adding datastores to an ESXi 5.ten host​. This method can be used with any version of the VMware vSphere Hypervisor from v.0 to 5.v.

The issue is merely the VMware vSphere Hypervisor (ESXi), does not understand the existing information on the hard disk or storage array LUN. I've seen the effect when using existing left over disks from previous installations of Windows, Linux or Solaris, even after destroying the contents using the vendor assortment utilities.

1. Login remotely via SSH or at the panel of the ESXi host server.

Login and connect to the VMware vSphere Host ESXi server which has access to the disks or LUN yous are trying to create the new datastore on.

see my previous Experts Commutation article

•  Role 5: HOW TO: Enable SSH Remote Access on a VMware vSphere Hypervisor 5.i (ESXi five.1)

2. Deleting the existing disk partitions

There are two methods to address this result, remove all the individual partitions from the disk, or overwrite the standard partition table that the VMware vSphere Hypervisor (ESXi) can deal with. I'm going to utilize the last method, it's quicker and achieves the aforementioned goal.

The supported partition utility in VMware vSphere Hypervisor ESXi v.x, is called partedUtil.

the command to use is

                      partedUtil mklabel /dev/disks/<deejay id> msdos                  

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this control replaces the partition table on the disk, with a legacy msdos partition tabular array, remember MS DOS? - ("Toto, I don't think we're in DOS anymore"). The legacy MS DOS partitioning tabular array is a sectionalization table, with which VMware vSphere Hypervisor (ESXi) tin can bargain with, remove and create the VMFS5 datastore. Please NOTE:this willERASE ALL DATA on the deejay specified, so information technology's important to specify the correct disk.

3. How practise we notice the correct deejay?

At the panel prompt type, the following this will show your disks or LUNs on your VMware vSphere Hypervisor (ESXi) host server.

                      ls -al /dev/disks                  

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the above screenshot shows the disks attached to the VMware vSphere Hypervisor (ESXi), partitions are shown equally :1, :2, :three, :iv.

The "vml." listings are symbolic links to your disks, which beginning with mpx.vmhba:C0:20:XX:XX:Y or they could be listed as "naa.".

4. Erasing the Partitioning

Check you lot have identified the correct disk to delete.Delight NOTE:this willERASE ALL Information on the deejay specified, so it'due south important to specify the right disk.

In this tutorial I'thou going to delete the segmentation on deejay

vml.0000000000766d686261313a333a30 -> mpx.vmhba1:C0:T3:L0
the  required is mpx.vmhba1:C0:T3:L0

                      partedUtil mklabel /dev/disks/mpx.vmhba1\:C0\:T3\:L0 msdos                  

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in the following screenshot, yous can see the partition (:ane) has disappeared from the final disk -  vml.0000000000766d686261313a333a30 -> mpx.vmhba1:C0:T3:L0

The disk has been erased.

Congratulations, you have successfully destroyed the partition, you will now be able to add together your VMFS5 datastore correctly without the error Call "HostDatastoreSystem.QueryVmfsDatastoreCreateOptions" for object "datastoreSystem-xx" on vCenter Server "hostname" failed."

Bones VMware Articles:

• Role ane: HOW TO: Install and Configure VMware vSphere Hypervisor 5.1 (ESXi 5.1)
• Part 2: HOW TO: Connect to the VMware vSphere Hypervisor 5.one (ESXi 5.1) using the vSphere Client
• Part iii: HOW TO: Create an ISO CD-ROM/DVD-ROM paradigm (*.iso), and MD5 checksum signature, for utilize with VMware vSphere Hypervisor 5.one (ESXi 5.ane)
• Function 4: HOW TO: Upload an ISO CD-ROM/DVD-ROM prototype to a VMware datastore for apply with VMware vSphere Hypervisor five.ane (ESXi 5.1) using the vSphere Client, and checking its MD5 checksum signature is correct.
• Part 5: HOW TO: Enable SSH Remote Access on a VMware vSphere Hypervisor v.one (ESXi 5.1)
• Part six: HOW TO: Create your first Linux Virtual Automobile on a VMware vSphere Hypervisor 5.1 (ESXi 5.1) Host Server
• Part vii: HOW TO: Create your first Windows Virtual Car on a VMware vSphere Hypervisor 5.1 (ESXi 5.1) Host Server
• Role 8: HOW TO: Install VMware Tools for Windows on a VMware Windows virtual machine on a VMware vSphere Hypervisor 5.1 (ESXi v.i) Host Server
• Office nine: HOW TO: Install VMware Tools for Linux on a VMware Linux virtual machine on a VMware vSphere Hypervisor 5.1 (ESXi v.1) Host Server
• Part x: HOW TO: Backup (Export) and Restore (Import) virtual machines to VMware vSphere Hypervisor 5.1 for FREE
• Part 11: HOW TO: Suppress Configuration Issues Organisation logs on host are stored on non-persistent storage
• Function 12: HOW TO: Configure and Supplant the SSL Certificate on a VMware vSphere Hypervisor five.ane (ESXi 5.1) Host Server
• ​Office 13: HOW TO: Configure basic networking on a VMware vSphere Hypervisor 5.1 (ESXi 5.1) Host Server

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Source: https://www.experts-exchange.com/articles/17304/HOW-TO-Fix-An-error-has-occurred-adding-datastores-to-an-ESXi-5-x-host.html

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