Re: on a fly Can we Change PSP in ESXi5.1 without impacting running VMs
Hello MrVmware9423,yes you can do it. It will not have any impact on running VMs.
View ArticleRe: if we Unmount a datastore what does it mean
Thanks Alim, what is the difference between unmount and detach??? need ur assistance on the same.
View ArticleRe: if we Unmount a datastore what does it mean
Hi Mr, Unmount - It unmounts the VMFS filesystem from the ESXi host. "When you unmount a datastore, it remains intact, but can no longer be seen from the hosts that you specify. The datastore continues...
View ArticleRe: if we Unmount a datastore what does it mean
Unmount removes the "Datastore" from the Host.Detach removes the "Device" or as I like to think the "Path" to the Datastore. This was originally brought in to prevent a possible APD(All Paths Down)...
View Article)WARNING: NMP: nmp_DeviceRequestFastDeviceProbe:237:NMP device...
I am receiving this error on all my hosts does anyone what this really means? )WARNING: NMP: nmp_DeviceRequestFastDeviceProbe:237:NMP device "naa.60a9800037536d75615d43747861714a" state in doubt;...
View ArticleRe: )WARNING: NMP: nmp_DeviceRequestFastDeviceProbe:237:NMP device...
Hi , nmp is not able to issue SCSI commands from that path to the lun, so it is trying to switch to the next available path. Can you share few more log snippet and i will check and let you know. Please...
View ArticleRe: if we Unmount a datastore what does it mean
Unmount is just going to detach the device from that host and you do not loose any data, Delete option will delete the data from your datastore.
View ArticleRe: Is it possible to Extend datastore in esxi5.1
Yes you can extend the datastore to 1.5TB on the fly, there should be no dataloss.
View ArticleRe: Reclaiming Space on All Datastores
Hi Perry, When the UNMAP command will send high I/O to the array and is always recommended to do this in the maintenance window due to the high load it can have on the array and your environment. Let...
View ArticleMove virtual maschine to one disk only
We have a virtual machine with 2.2 TB of disk space. When I try to make a snapshot I get the error message "File <filename>.vmx is larger than the maximum size supported by datastore...
View ArticleRe: Delete a VMFS data store or Unmount and detach
The Unmount option will make sure that the Host does not see that as a datastore and it will says as unmount but you can again mount it. Delete option is will delete the vmfs partition , so that you...
View ArticleRe: Move virtual maschine to one disk only
Hi Burkhard , Your getting the error because by default snapshots are stored in the location of your vmx. its a block size limitation KB1091: File is larger than the maximum size supported by datastore...
View ArticleRe: Different LUN ID in cluster
Hi, I think you can do that unless you do a resignature of that volume, but its never recommended from vmware at all. This article will answer why we do not recommend doing it. VMware KB: Cannot see...
View ArticlevRDM to VMDK migration times
ESXI 5.5 VCenter 5.5 u1Converted our pRDM's to vRDM's to prepare for the conversion to VMDK's. Now there are two choices I see. 1. Create some new drives and mirror the vRDM's and then remove the...
View ArticleRe: vRDM to VMDK migration times
Yes , in Svmotion of the RDM, there is only the pointer files which moves around and not the actual data, Conversion from thick to thin depends on you network speed as well as your under lying Array ,...
View ArticleRe: Move virtual maschine to one disk only
You should be using vmfs 3 / vmfs 5.56 with Vspphere 5.0 or 5.1 , the largest size of vmdk supported is 2TB - 512 MB , anything beyond that is not supported. Use Storage Vmotion to move the vmdk with...
View ArticleRe: Virtual SAN and vSphere Essentials Plus?
VSAN licenses are applied on a cluster level. Open the Webclient click on your VSAN enabled cluster, click the “Manage” tab followed by “Settings”. Under “Configuration” click “Virtual SAN Licensing”...
View ArticleRe: vRDM to VMDK migration times
How about VM Performance during the conversion? This is on a 4 / 40gb Fiber Channel system so it's pretty speedy... the array is also on 4 /40GB FC.
View ArticleRe: vRDM to VMDK migration times
40 gb should be real fast , I would expect less that 24 hrs
View ArticleRe: storage profile compliance...
I will get you an answer by tomorrow. I am testing the same in my environment and getting the same issue
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