VMFSKTools usage help for white space reclaiming of netapp storage
Hi all, I hope you can help with a couple of questions below as we're wanting to reclaim some white space from our filers but I've got various bits of info from other sources so would like a bit of...
View ArticleToo Many VMDK files
Hello All, I have a server with an odd issue that i need some assistance with. This is a security camera server that keeps locking up due to a hard drive issue. We have a data drive assigned as the F...
View ArticleRe: Too Many VMDK files
If the flat and delta file are not longer needed you can certainly remove them. However, if you are not 100% sure, it might be a good idea to move the files to a new/temporary directory to see whether...
View ArticleSAN Fabric for VMware
I on a contract now and the group I'm working for is looking at a new SAN fabric design, and there are many considerations for this proposed design that has left me with some unanswered questions that...
View ArticleRe: SAN Fabric for VMware
there will be a slight lag (in micro secs) since the number of hops are more in this design. cant we eliminate these two hops? A 5k shared between storage patchpanel and the server patch panels. 5)...
View ArticleRe: SAN Fabric for VMware
Yes, we can do what ever it is we need to do. good to know patch panel hops are negligible The multiple hops is a result of the layout in the DC and I have already brought this up and there is a...
View ArticleESXi 5.5 + Dell Equallogic low read IOPS
I have performance issues on my infrastructure. I have connected array Dell Equallogic 6100 via SAN (1Gb/s) to my ESXi server. EQL is filled with SATA 7200rpm HDDs.I created new lun with one test...
View ArticleRe: ESXi 5.5 + Dell Equallogic low read IOPS
Hi, did you try installing the Multipathing Extrension Module (MEM)from DELL? It's available at eqlsupport.dell.com unter Downloads -> VMware Integration. It has to be installed on the ESXi hosts...
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Re: ESXi 5.5 + Dell Equallogic low read IOPS
I didn't try to install MEM extension yet. I expected the highest throughput with VMware RoundRobin path after change default settings. Physical windows server (2012R2) has set fixed path.Difference...
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Runtime Name associated with vmk
Is there a way to tell if a Runtime Name such as vmhba33:C0:T1:L3 is assigned to a particular kernel port? We are connecting to a NetApp VIF ip address and I have 4 vm kernel ports so I am seeing 4...
View Articleverifying q depth of HBA
Following the instructions in KB 1267: VMware KB: Changing the queue depth for QLogic, Emulex, and Brocade HBAs the command strings to change the queue LUN queue depth of the HBA listed, along with...
View ArticleRe: verifying q depth of HBA
Most likely you don't see any outuput, could be due to INBOX drivers. Run this command and check the value in Device queue depth = 0x40 which will be HEX value...
View ArticleVMFS-3.46 file system
If a datastore is on VMFS-3.46 file system, will this support VAAI primitives? VMware recommends to create a new file system and moves VMs off of old datastore instead of upgrading it. If the file...
View ArticleRe: Runtime Name associated with vmk
Are you doing some sort of network switch maintenance? Or reconfiguring network ports on the storage array? We need to know more information on where exactly the outage is going to be to give a...
View ArticleRe: Runtime Name associated with vmk
Run esxcfg-mpath –b >>this will give active/dead paths to the storage
View ArticleRe: VMFS-3.46 file system
yes, VMFS 3.46 does have support of VAAI primitives. My upgraded VMFS-5 does not have a 1MB block size. Why?Upgraded VMFS-5 partitions will retain the partition characteristics of the original VMFS-3...
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Re: VMFS-3.46 file system
Thank you Narendra.Do you know which version onwards has started VAAI support?Also if you look at this KB: VMware KB: Frequently Asked Questions for vStorage APIs for Array Integration upgraded VMFS-5...
View ArticleRe: VMFS-3.46 file system
It started with vSphere 4.1 onwards, and VMFS 3.46 was the first version to support VAAI. 1. Acquire on-disk locks 2. Upgrade an optimistic lock to an exclusive/physical lock.In vSphere 4.0,...
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Re: DataStore 2 VVOL Migration Problem
We recently had the same problem with around 40 VMs (in an environment of ~190 VMs) as we transitioned to VVOLs. A lot of them were P2V'd or came from Xen systems years ago. I discovered that the Hard...
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