Any problem if i upgrade to VMFS5?
Hi Guys, May i have any problem if i upgrade the File System of my storage from VMFS-3.46 to VMFS-5? Problem like lose all files and folders in storage? In attach the printscreen of message to better...
View ArticleRe: Any problem if i upgrade to VMFS5?
Welcome to the Community - This is just a standard warning that if you have any non-ESXi 5 accessing the this VMFS datastore they no longer will be able to -
View ArticleDELL MD3000i with ESXi 5.1 iSCSI Adapter
I know that Dell's official stance on MD3000i and ESXi 5.1 is "not-supported", but I have it running successfully in several locations; all of which started life as ESXi 4.x host servers and were...
View ArticleRe: Noisy neighbor with RDMs
NetApp uses memory for write caching quite differently compared to other vendors. That's why it needs less NVRAM. Look here: NetApp NVRAM and Write Caching | Niktips's Blog I think you problem most...
View ArticleAdded NFS datastore, during SVM's really bad throughput, then timeout
In my lab, I have two microserver hosts running esxi/vcenter 5.1. I also have an NFS server based on server 2012 that is presenting local storage to both a xenserver environment and the esxi cluster....
View ArticleRe: Added NFS datastore, during SVM's really bad throughput, then timeout
Hi, Increase the nfc timeout value as per this Kb VMware KB: Storage migration fails with the error: Could not complete network copy for file RegardsMohammed
View ArticleCan I share a datastore between vcenter and a non-vcenter ESXI host?
Is it dangerous to grant a "free edition" licensed ESXI host access to an iSCSI LUN that is used by a VCENTER environment, if the ESXI versions match? Can the free edition store and run virtual...
View ArticleRe: Can I share a datastore between vcenter and a non-vcenter ESXI host?
That will work. You may want to make sure though that vCenter Server and the free host do not try to access the same VMs simultaneously (although the file locking should avoid issues). Keep in mind...
View ArticleRe: Any problem if i upgrade to VMFS5?
I've done the upgrade several times. It's painless. As long as the message pops up like what you go (stating that all the hosts support VMFS-5) you are good to go.
View ArticleSAN volume - Datastore - and VMDK considerations
I created a 2047GB volume on my SAN. I created a datastore in vCenter utilizing all space. I now need to add a disk to a VM using that datastore. What is the best practice in sizing VMDK on a...
View ArticleRe: SAN volume - Datastore - and VMDK considerations
Usually you'd use a datastore for multiple VMs, but from what you say I assume it's planned for a single virtual disk only?The amount of free disk space to keep on a datastore depends on whether you...
View ArticleRe: Noisy neighbor with RDMs
To support the point, here is the quote from NetApp documentation: When a system doesn’t have enough disk drives to accept the write workload, writes may have to start running synchronously with disk...
View ArticleRe: SAN volume - Datastore - and VMDK considerations
Sizing of vmdk depends on multiple factors depending on your organization requirements and following are some of the points you need to consider.. 1) Current storage space usage. 2)...
View ArticleRe: Any problem if i upgrade to VMFS5?
This is just a warning mentioning that all vSphere hosts accessing the datastore you are planning to upgrade are vSphere 5 or later. vSphere does this compatibility check and as you can see in the...
View ArticleRe: DELL MD3000i with ESXi 5.1 iSCSI Adapter
It is difficult to provide the exact solution without looking at the logs. But going through the comprehensive details you provided following are few things you could consider to execute a) Remove the...
View ArticleManually quiesce VM I/O
Can I manually quiesce a virtual machine I/O? I've read that a good practice before making a extent on a VMFS datastore is to "Quiesce I/O on all disks involved". But how it's done? Thank you
View ArticleRe: iSCSI Configuration
Hi Welcome to the communities. please check you have configured LUN & Target properly . And you may test from other machine like windows 7 or 2008 . "concentrate the mind on the present moment.".
View ArticleRe: Equallogic iSCSI and EMC Fiber channel same cloud
Hi Welcome to the communities. NO,I don't think you will loss any thing as many org usingcombination of equallogic & EMC. "concentrate the mind on the present moment."
View ArticleBest Practice Minimum Free Space on Datastore (Prod and No-Prod VMs)
Dear Team, I have two datastore on one esx host,Just want to know as a best practice what will be the % of free space on datastore1 (stored Production VMs also performing backup activity) and...
View ArticleRe: Best Practice Minimum Free Space on Datastore (Prod and No-Prod VMs)
It depends on many parameters...number if virtual machine etc... check if the following article is helpful for you VMware KB: Troubleshooting a datastore or VMFS volume that is full or near capacity
View Article