Re: SAN: Single point of failure?
To be a bit picky here, a SAN is just the storage network (such as fiber channel) and is often made highly redundant by having two fabrics, multiple switches / ports, and multiple HBA connections. The...
View ArticleRe: New-Hardisk and RDM issues
Hi , I am trying to do through my application, these are some of the properties I am setting, where vdrdmi is an object of VirtualDiskRawDiskMappingVer1BackingInfo...
View ArticleRe: SAN: Single point of failure?
Thanks for all the replies.After I made my post, the "forum" did suggest similar posts that mentioned some of the stuff had has been mentioned. Ok, let me give you some background on our...
View ArticleRe: SAN: Single point of failure?
Just to add the the site runs 24/7 but with day time support.It would be good enough to just have some key systems automatically fail over/run from another san unit if one failed.Other systems do not...
View ArticleHow to check whether emc powerpath is installed in esxi 5.0 using powercli or...
How to check whether emc powerpath is installed in esxi 5.0 using powercli or putty.
View ArticleRe: How to check whether emc powerpath is installed in esxi 5.0 using...
I believe you can do this under the Virtual Center console under storage adapaters and see if power path is enabled
View ArticleRe: How to check whether emc powerpath is installed in esxi 5.0 using...
Yes you are right, but i am not able to make sure whether the Powerpath is intalled or not. I came to know the Powerpath is installed or not by running the EMC Grab. while running the utility it has...
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SAN / RAID / vCenter issue
Interesting day today. We have a virtualised 5.1 environment mixed with Solaris 10 and Sunray thin clients. We have load balanced terminal servers and the vm running the load balancing software was non...
View ArticleRe: SAN / RAID / vCenter issue
Note: Discussion successfully moved from VMware vCenter™ Server to VMware vSphere™ Storage
View ArticleRe: How to check whether emc powerpath is installed in esxi 5.0 using...
Create a host extension package with VMware Update Manager, attach the baseline to the hosts you are curious about, and run a scan. This will show if a host is compliant (PP/VE installed) or not (old...
View ArticleRe: Virtual machine shows same disk usage after deleting more than 10 GB data...
Is this now working in horizon 5.2 ? I cant seem to get it working
View ArticleExcessive load balancing requests
We have 4 esxi 5.0 hosts connected to an EQ ps6000 array. Today, we've seen numerous load balancing messages anywhere from 2 to 10 minutes apart. We usually go for days without these messages. I didn't...
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adding / removing hard disks -windows
I was looking at the behaviour when adding / removing drives on esxi 5.1 platform Started with Windows 2008 1)Couldn't do a hot add or remove. Powered off the VM & added a virtual hard disk....
View Articlevmware-toolbox-cmd stat
Hi all, I've installed the vmware-toolbox-cmd package on my VM. Running the command: #vmware-toolbox-cmd stat swap 622 MB Is the above swap usage value being pulled from the host esxi or the...
View ArticleHow to disconnect/reconnect RDM-LUNs to shutdown the NAS
Hi folks, we are gonna implement a NAS that will host the disks of the VMguest. I wonder how to handle the disks on the VMhosts before shutting down the NAS.Of course I'll shut down the VMguest but I...
View ArticleRe: How to disconnect/reconnect RDM-LUNs to shutdown the NAS
Gracefully shutdown everything, first guests, than ESX, than NAS. After that, go on the exact reverse order. You should have no problem on that.
View ArticleRDM-LUN mapping
Hi there, in creating RDM disks I'm asked to store the RDM-LUN mapping files either with the Virtual Machine or in a specific DataStore.My understanding is that such files are sparse files, meaning...
View ArticleRe: How to disconnect/reconnect RDM-LUNs to shutdown the NAS
Thanks Marcelo, my bad I didn't specify that I have VM guests local machines on the same ESXi host, that's why I'm seeking for the best practices in handling just RDM devices. Alex
View ArticleRe: RDM-LUN mapping
Exact, they don't use any real space (you can see they have size, but they don really consume space). I would leave it with the VM - leaving it on local datastore will avoid you to vmotion/migrate the...
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