Reclaim used space
Hi I'm trying to reclaim free space at thin provisioned LUN using NMAP commands (vmkfstools -y). I am using a Netgear ReadyNAS 312 connected with ISCSI to my ESXi host.Unfortunately, VAAI is not...
View Articlescsi shared disk synchronization failed
Hey, I have enable bus sharing on 2 VMs to share one disk!everything work fine, I have added the disk on the first VM and after that adding it to the second!now I have a second disk on both VMs the...
View ArticleStorage DRS 5.5 Update 2 Best Practice - Quick Question
Hey Everyone, Getting ready to deploy Storage DRS. If I have 12 LUNS that are all the same characteristics, would it make sense to create a Storage DRS cluster containing all 12 LUNS? Thanks for the...
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Reduce Provisioned Disk Size?
Hi Guys.First post here so be gentle I have a VM that has a provisioned size a little bit too big for the datastore.I would like to shave 15Gig off it whilst retaining permissions/ shares etc(Its a...
View ArticleSAN based storage - logs
Hi All,I came across strange problem, during troubleshooting of our storage, I have find out that command esxcli storage core adapter stats getreturns list of HBAs with high number of failed commands,...
View ArticleYet another remove NFS datastore problem
Hello, everybody! We have a VMware vSphere 5.1 environment and we have an external NFS datastore connected to one of the our hosts with OS distros and similar stuff. Recently on the side of NFS server...
View ArticleDell R720 with BCM57711 fiber nic and PS6210
Have a dell R720 with 4 1G broadcom ports, 4 1G intel ports and 2 BCM57711 fiber ports and trying to decide best way to configure for HA, vmotion and FT.Switch for SAN is a Dell N3024F ( fiber ports)....
View ArticlePhysically moving storage from one Rack to Another
Dear team, We are planning to move our storage from one Rack to another. it's a small storage total usable capacity is 3TB (EMC CX4-120). created one LUN size of 3TB and mapped the same to 14 ESXi...
View ArticleHow to Unmap a datastore from esxi host without loosing data
Dear team, I want to unmap a datastore which is mapped on two cluster (cluster1 10 esxi host and cluster2 4 esxi hosts) Query1Which step will be correctunmount => detach => start storage...
View ArticleDell EqualLogic array stopped working during outage reboot
During/after a planned maintenance outage, ESXi cannot mount datastores on our Dell EqualLogic Array and I have no idea why. We're running ESXi 5.0. We shutdown everything over the weekend, replaced...
View ArticleEMC-DELL AX100i on ESX 5.x: Does anybody check?
Hi all. Does anybody check AX100i EMC-DELL storage cabinet with ESX 5.x?I just have the oportunity for installing one from a gift (is older model, I know, and only supported by ESX 3.x) Thanks
View ArticleHow do I mount a datastore that requires authentication?
My datastore is on a separate domain than my testing EXSi Host and VMs. I need a way to use the datastores on the other network. I can ping the NetApp NAS servers and access the sharded folders via...
View ArticleEMC Fast VP and Storage DRS: Best Practices
Hey Everyone, EMC has a technology called Fast VP where they balance the underlying disks and storage at night to make sure there aren't hot spots. Averaging out the IO's across all spindels to gain...
View ArticleHow to Calculate "used storage" within vSphere
My cloud server vendor charges us on how much "used storage" the vSphere client is showing (see screen shot). We charge clients on the actual data they consume based on the used space from their...
View ArticleNPIV
I have a enclosure C7000, with blade servers BL460 G7 & G8. HBAs: Qlogic and Emulex respectively. ESXi 5.1 U3. Host HBAs and FC Fabric support NPIV. When I turn on a virtual machine with NPIV I do...
View ArticleNFS share getting a (1) appended when adding to a new host in existing...
I am sure its a simple answer ,but I have been beating my head on the wall trying to find a fix. The scenario is this : 1. Vcenter has several host in various clusters. All built at the same time with...
View ArticleVMware migrate host if connection to datastore is lost?
Hey all. I have a SAN that is directly attached to my hosts via SAS. It's an EqualLogic MD3220i. The SAN has the ability to make both of it's controllers active so you can connect up to 8 hosts, but...
View ArticleI/O Characterization - vSphere Environment
Hi everybody At the moment we are evaluating a new storage array, because of this, we want to charecterize our I/O Workloads to size it. With vscsistats and the native perfornamce charts it is very...
View ArticlevSphere Profile-Driven Storage Service Crashing
Any ideas? vCenter is running on a Windows 2008 Std x64 box with 32GB of memory and 4vCPUs. It is a virtual machine. We are running vCenter version 5.5 1891313. We are experiencing an issue where the...
View ArticleDead fiber path, replacing SFP
I have 1 dead fiber on an Esxi 5.5 host. My redundant fiber is working fine. I have a couple of questions: 1. I can replace the transceiver on the dead port on the Qlogic card while the host still has...
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