Re: can't shrink vmdk with vMotion
Forgot to add that I have tried using vmkfstools -k on this VM from the ESXi host and got some weird error: Could not punch holes on "vmdk" Function not implemented.
View ArticleQLogic HBA is slower than SW Initiator
Hello folks, I am using a QLogic QLE4062c HBA in my ESXi 5.1. When testing perfomance, I get 85 MB/s read and 75 MB/s write. When I test the same volume with ESXi software initiator, I get a nice 106...
View ArticleRe: QLogic HBA is slower than SW Initiator
Hello and welcome to the communities. Note: Discussion successfully moved from Technical Resources to VMware vSphere™ Storage What is the storage system, and what details can you provide about the...
View ArticleRe: QLogic HBA is slower than SW Initiator
Storage is a Open-E DSS V6 RAID6 and the volume is connected via iSCSI. But the bottleneck is not the storage, because I am getting full gigabet speed, when I test with the ESXi software initiator.
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VSA Install fails whatever we do :(
After numerous attempts we still are not able to install a 3 node VSA (brownfield) any help here is very much apreciated. 3 identical nodes, 3 raid 10 disks, setup each node with 4 NIC's devided over...
View ArticleRe: Setting up CHAP between ESXi 5 and Dell Powervault MD3220i
In case anyone reads this, I raised a case with Dell and a guy there with SAN and vmware knowledge fixed it. He made 2 changes. The first change, which I think was the one which fixed it, was to set...
View ArticleRe: Basics - difference between LUN and datastore?
A LUN is a logical section of storage. A LUN can be backed by a single disk or multiple disks. It can also be allocated from a disk pool/volume/aggregate depending on the storage vendor's terminology....
View ArticleProblems with Storage DRS
Hi all. I have randomly problems when Storage DRS runs automatically over the cluster. The problem does not happens when the VMs are migrated manually. The problem is that migration fails and the VM´s...
View ArticleNFS log error
Hi, Our platform is running in ESXi4.1U2. We've got about 26 ESXi connected to our netapp storage (FAS6240). Datastores are NFS qtrees. We host about 900 VM. It seems to be unstable. In ESXi log, we...
View ArticleHow to determine if xcopy is being utilized for storage vmotions
My array is VAAI and xcopy capable. Is there a way to look back at storage vmotions that happened during a given day, and confirm that in fact xcopy was utilized to allow the array to do the copying...
View ArticleHow to reclaim storage after migration to SD card
I have moved my ESXi 5.1 installation to external SD-cards. Is there any way to "reclaim" and make good use of the now free internal HDD on the servers ?
View ArticleHow to switch datastore from direct attached MD3600i to SAN MD3600i
Hello everyone, I tried to find an article or whitepaper or even just a blog about how to do this but no luck. I'm hoping someone here has done this and can give me some insight as to the best way to...
View ArticleRe: esxi 5.1 dell openmanage / lockdown mode
Exactly the same problem here.Confirmed three R710 boxes, both with and without H800 and MD1220 storage.One of them also has an MD-1000 DAS and disk performance is very bad (on VMWare 4.1U3 was...
View ArticleRe: NFS log error
Hi David, I think you are definitely on the right track... Giving the protocal stack more room for the application is always a good thing for any situation. Also, increasing the number of max...
View ArticleMajor performance issue on SAN.
Hello everyone! I'm in need of some assistance and would greatly appreciate and clues/ideas that could make our performance better. Here are the basic details. We have two VM clusters Production /Non...
View ArticleUpdating Equallogic Firmware
Hello, I've contacted Equallogic a few times and I cant seem to get a straight answer from them regarding this and I want to be 100% sure before undergoing this proceedure. We currently have two...
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Re: Updating Equallogic Firmware
Hi Welcome to the communities.Before upgrading the firmware we must know the firmware the root cause .As per my experiences if we call any of product tech support first they will guide updates os ,...
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Re: Major performance issue on SAN.
Hi Welcome to the communities.First I will suggest we need to follow what emc suggest.2nd this as you have only write performance issues may i know the RAID version you are using ? as raid play big...
View ArticleFree SAN in Production Environment
Has anyone here used one of the free SAN products (i.e., OpenFiler, FreeNAS, etc) in a production environment? If so, what are your opinions? My organization is on a shoe string budget, so we need to...
View ArticleRe: Free SAN in Production Environment
Its sure possible but if I where you I would look into a solution that could be converted to a supported solution if if was needed.One of such is Nextenta, they have a "community edition" that is free...
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