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VAAI primitive UNMAP and Space Reclaim:: VAAI UNMAP or space reclaim was introduced in vSphere 5.0 to allow the ESXi host to inform the storage array (VAAI TP Supported) that files (vmdk) or VMs had be moved or deleted from a Thin Provisioned VMFS datastore. This allows the array to reclaim the freed blocks. Recommended […] To revert to a previous version of ESXi after upgrade:1). From the Console screen press F22). Then press F12 to see the shutdown options for your ESXi.3). Press F11 to reboot.4). When the Hypervisor progress bar starts loading, press Shift+R.5). Now you will see a warning message: Current hypervisor will permanently be replacedwith build: X.X.X-XXXXXX. […] Imports would fail if “multiextent” module is not loaded in your ESXi. This may be the reason “multiextent” is not loaded by default. Need to load this module by running the following command:
# vmkload_mod multiextent Module multiextent loaded successfully PSOD vSphere ESXi 5.x Collect Logs from ESXi Server PSOD vSphere ESXi 5.x Collect Logs from ESXi Server If you hit a PSOD, collect the logs (step by step method). 1. Reboot the PSODed ESX/ESXi server. 2. Run command esxcfg-dumppart –copy –devname /vmfs/devices/disks/<naa.xxxxxxxxxxx:y –zdumpname <esxpsodname> 3. extrat the zdump by running the command esxcfg-dumppart –log […] ~ # esxcli software sources profile list [cmd options] Cmd options: -d|–depot=[ <str> … ] Specifies full remote URLs of the depot index.xml or server file path pointing to an offline bundle .zip file. (required) –proxy=<str> Specifies a proxy server to use for HTTP, FTP, and HTTPS connections. The format is proxy-url:port. ~ # esxcli […] ~ # esxcfg-mpath –l (to list all the device paths) ~ # esxcfg-mpath –s (to change the path state) ~ # esxcfg-mpath –bd <naa name of your device/lun> (to list the paths and state) Other ESXi path command options: esxcfg-mpath <options> [–path=<path>] -l|–list List all Paths on the system with their detailed information. -L|–list-compact List […] The differences by VMware VMotion and VMware Storage VMotion (SVMotion) and their benefits. With VMotion, VM guests are able to move from one ESX Server to another with no downtime for the users. What is required is a shared SAN storage system between the ESX Servers and a VMotion license. Storage VMotion (or SVMotion) […] VBoxManage We have used VBoxManage to clone VirtualBox disks. The method here is identical, except that we will be converting to a different disk format. Let’s see how this is done. VBoxManage clonehd source.vdi target.vmdk –format VMDK Where source is your VirtualBox disk, target is your VMware disk and –format VMDK is the desired output […] |
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