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Chkdsk will run inside a VM, chdsk is not aware that the machine is a virtual or the disk is virtual.<br />
<br />
So it will repair it as normal if required.<br />
<br />
However, this will not check or test the VMFS datastore for corruption, it will not check the vmdk for corruption, you will need to be on the host for that.<br />
<br />
chkdsk is a Windows function.
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Chkdsk will run inside a VM, chdsk is not aware that the machine is a virtual or the disk is virtual.

So it will repair it as normal if required.

However, this will not check or test the VMFS datastore for corruption, it will not check the vmdk for corruption, you will need to be on the host for that.

chkdsk is a Windows function.

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ok thanks. &nbsp;how best to test the vmfs raid?
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ok thanks.  how best to test the vmfs raid?

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use the &nbsp;<b>VOMA</b> command, see here for syntax<br />
<br />
..(remember VMFS is a partition on a RAID disk, VMFS is not RAID-ed!)<br />
<br />
<a href="http://kb.vmware.com/kb/2036767" rel="ugc nofollow">Using vSphere On-disk Metadata Analyzer (VOMA) to check VMFS metadata consistency </a>
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use the  VOMA command, see here for syntax

..(remember VMFS is a partition on a RAID disk, VMFS is not RAID-ed!)

Using vSphere On-disk Metadata Analyzer (VOMA) to check VMFS metadata consistency [http://kb.vmware.com/kb/2036767]

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running a chkdsk on a VM which is on a local hosts disk.<br />
<br />
wondered whether this actually how this works? e.g. clever enough to run it on the vmx etc, the whole raid, pointless?<br />
<br />
thanks
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running a chkdsk on a VM which is on a local hosts disk.

wondered whether this actually how this works? e.g. clever enough to run it on the vmx etc, the whole raid, pointless?

thanks

chkdsk on local host

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.

VMware

Virtualization is the act of creating a virtual (rather than actual) version of something, including (but not limited to) a virtual computer hardware platform, operating system (OS), storage device, or computer network resources. Virtualization is usually the creation of a system that executes separate from the underlying hardware resources, or the creation of an entire desktop for systems located elsewhere, similar to thin clients.

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Windows Server 2008 and Windows Server 2008 R2, based on the Microsoft Vista codebase, is the last 32-bit server operating system released by Microsoft. It has a number of versions, including including Foundation, Standard, Enterprise, Datacenter, Web, HPC Server, Itanium and Storage; new features included server core installation and Hyper-V.