Re: How to find right order VMDK corresponds to Linux disk
Please take a look at http://kb.vmware.com/kb/2020458 to see whether this is what you are looking for. André
View ArticleWhat is the max VMDK recommended size I can create on 2TB LUN?
Hello, guys!I have DB VM with system and config files stored on one LUN and few 2TB LUNs, where DB data is stored.On 2TB LUN when I create new VMDK file what it the max size of VMDK file I could...
View ArticleRe: What is the max VMDK recommended size I can create on 2TB LUN?
You should consider a lot of things, for example the alarm settings 75% (Warning) and 85% (Alarm), if you will need snapshot this VMs and if there will be any other VM on this datastore cause VM use...
View ArticleRe: What is the max VMDK recommended size I can create on 2TB LUN?
Prior to vSphere 5.5, the maximum virtual disk size is 2TB minus 512 Bytes. If you need to create snapshots the maximum virtual disk size 2,032GB due to the metadata overhead in the snapshot file. With...
View ArticlevSphere RDMs VS NPIV
Hi Guy, Just I would like to know about limitation and comparison of technology vmware vsphere 5.5 for VMDK vs RDMs vs NPIV and use case also. Have anyone will provide the information for me in...
View ArticleIncrease Datastore Space
Hi I've increased the assigned space to a datastore on our SAN. Do i have to re-scan the datastore to pick up this increase ? Is it safe to do this during office hours or is it better to do at the...
View ArticleRe: Increase Datastore Space
With vSphere 4 and newer you can grow a datastore on the fly, i.e. increase the LUN size, rescan the storage adapter if required and then use the wizard to grow the datastore. André
View ArticleRe: Increase Datastore Space
Hi Thanks for this. And performing a re-scan won't affect Hosts and Virtual Servers mounted on this datastore ?It's ok to perform this during office hours ? Thanks in advancePete
View ArticleRe: Increase Datastore Space
Unless haost and storage run with very high load you can do this at any time. André
View ArticleRe: Increase Datastore Space
I've resolved this. For anyone else having trouble.This article was helpful. VMware KB: Growing or expanding a VMFS volume or datastore open a 2nd Vsphere and connect to an esx host (via IP or...
View ArticleRe: Increase Datastore Space
If you do this while connected directly to an ESXi host, you may need to rescan/refresh the storage on the other hosts too. André
View ArticleHow to safely delete LUNs from all ESXi host.
Dear team, I have ha/drs enabled cluster with 4 esxi host. I have deleted 2 datastore from ESXi host and the same is visible in Add Storage Wizard. I want to safely unmap these LUN from these esxi...
View ArticleRe: How to safely delete LUNs from all ESXi host.
Use this as your starting point: Best Practice: How to correctly remove a LUN from an ESX host | VMware vSphere Blog - VMware Blogs
View ArticleMoving vmsyslogd files, dump files and scratch partition to one disk to another
Hi all, We have a vsphere infrastructure with 3 esxi 5.5 in HA and datastore on SAN. Every host run from SD his own card and has his own SATA disk.Every host is configured to put vmsyslogd files and...
View ArticleRe: How to safely delete LUNs from all ESXi host.
Friend as suggested I have done the below steps 1.Unregister all objects from the datastore including VMs and Templates 2.Ensure that no 3rd party tools are accessing the datastore 3.Ensure that no...
View ArticleRe: How to safely delete LUNs from all ESXi host.
You can ignore those alarms. They happen to me every time I do it .You have performed the proper steps. Though I usually unmount the LUN manually, and do not let the detach operation do it. Also if you...
View ArticleVAAI for NAS Extended Statistics and Reserve Space Primitives
Folks, I would like to know which NAS storage array features (storage code changes) do VAAI for NAS 5.x extended statistics and reserve space primitives need? I have been reading the VAAI spec for...
View Articlehow is VML ID caluclated ?
hi folks -- we sometimes have issues with vmotioning some VMs with in a cluster - with the error - "Virtual Disk 'X' is a mapped direct access LUN that is not accessible" upon further digging - we...
View ArticleRe: Looking for supported RAID controller that can do caching to SSD
You could try Adaptec RAID 7805Q and 71605Q. It has feature called, maxCache for caching hot data to SSD. Both models are VMWare Certified for hardware compatibility....
View ArticleRe: Add NFS datastore Error
Hi , The mount request was denied by the NFS server. Check that the export exists and that the client is permitted to mount it. An unknown error has occurred.simple step , if think that you have...
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