How to link Vmware datastore name and EMC Symmetrix meta ID
Hello, I'm trying to create automated web report on disk usage, purposes, etc.My Vmware collegues are mapping large meta luns against their ESX hosts from Symmetrix and then give little chunks to VMs....
View ArticleAdding new iscsi sessions through esxcli
I have a distributed storage system with Nodes A and B, each presenting the same SCSI target. I performed dynamic discovery by giving the IP address for Node A and gave it port 3260 to communicate...
View ArticleEMC Storage and Performance
Greetings, We are currently evaluating EMC VNX storage for our organizations View project. Through testing we found the VNX the be a great performer for VDI. We have decided to go with VNX and we are...
View ArticleESXi host generating tons of read requests per second
Hello, I have been struggling with this for hours/days/weeks. Tried many different approaches to searching google and the vmware forums. But I'm not finding an answer. I hope someone can provide me...
View ArticleStorage vMotion won't move custom rom
Hi guys/gals, We're using a custom bios rom by adding the line in the vmx: bios440.filename = "custom.rom" When I storage vMotion one of these machines it will timeout. When I storage vMotion, go to...
View ArticleSAN storage pools for Clustered VMWare enviroment
I'm working on setting up our new SAN unit and I was wondering if there were any "best practices" for doing this for a VMWare clustered enviroment. I'm going to have 3 host servers in a cluster sharing...
View ArticlePerformance Data for VM Disks
Hi,I'm seeing a lots of IOPs and High Read Latency on the RDM Mapping which contains the vRDM Mapper. Is this latency normal? Or something wrong with my SAN Storage? This VM has Repository LUNs as vRDM...
View Articlebcm5709 not present as storage controller
Hello all, I have been googling around at this and trying different things over the past two days without much luck... I have one esxi 5.0 host with a dual-port Broadcom BCM5709C NIC card added in...
View ArticleUse Qnap NAS for VM production storage?
Hi - Has anyone any experience using a Qnap NAS (like TS-EC1679U-RP ) as NFS storage for VMs in production? I thought of use SEAGATE Constellation ES 7200 3TB HDD 7200rpm SATA serial ATA 6Gb/s 64MB...
View ArticleWhen deploying a new VM from template, storage DRS doesn't clone the .vmdk
I have been having a couple problems that seem to be intermittent. I have a number of templates that I use to deploy VMs from. I have only recently upgraded to Enterprise Plus and have configured...
View Articlehow to upgrade datastores from vmfs 3.46 to current format?
Just upgraded 4 hosts from 4.1 to 5.1 - everything went great. The datastores are vmfs 3.46 - I figure it would make sense to get them updated. I don't see an option for doing that. Is there a process,...
View ArticleESXi 5.x "I/O Error Occurred"
Hardware: Supermicro X8SIL-F-O with Xeon X3450 CPUIBM ServeRAID M1015 flashed to LSI 9211 IT ModeOnboard Dual Intel 82574L Gigabit Ethernet ControllersHP NC360T 2 Port 1GbE NICIntel X520-DA2 2 Port...
View ArticleMultiple Clusters attached to 1 VMFS volume
Good morning,I currently have an older 3.5 cluster that we are in the process of moving VM's off of and onto a newly created 5.0 cluster. The original VMFS volume that was presented to both hosts in...
View ArticleDisk Loss Causes Read Latency Spike
Earlier this week we had a disk failure on our Compellent SAN at which point the disk failed over to the hot spare. Several, but not all, of our ESXi hosts experienced a huge spike in read latency...
View Articleno device on iSCSI target
I'm trying to use Synology DS713+ as iSCSI array for ESXi 5.1 host. 1. I set iSCSI target on Synology following tutorial http://www.synology.com/support/tutorials_show.php?q_id=488&lang=enu2. I...
View ArticlevCenter Server Hard Disks Eager or Lazy Zeroed?
Should the virtual hard disks for a production vCenter Server which has high performance needs in an enviornment of 100 physical servers and 3000 Virtual Machines be provisioned as Lazy or Eager...
View ArticleLUN resizing and VM ratio per LUN
Greetings,I have a number of LUNs configured for a particular client. Three LUNs with different sizes host 50 VMs. These VMs can be anything from Web, file to SQL servers. Between those three LUNs,...
View Articleiscsi mulipathing (vmknic status not used)
Trying to understand how I can get both vmkernal nics to show active: This particular host isnt in production yet, and have gotten things to clear up by removing and readding in the past, but I'm not...
View ArticlevSphere migration from 1Gb NFS to 10Gb NFS
Hi everyone, We are undertaking an upgrade in network infrastructure from 1Gb links to a dedicated 10Gb network for storage. The new network has separate pnics/vswitch/vmkernel, along with a separate...
View ArticleFeature Request?
VMFS5 - maximumsVolume size 64TBRaw Device Mapping size (virtual compatibility) 2TB minus 512 bytes Allow virtual compatibility mode RDM's to have extents to attain a larger than 2TB size but allow...
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