Wednesday, October 6, 2010
how to check portgroup / vlan settings in DMZ network in ESX env?
Specify the DMZ vlan id to the port group to move the machines to DMZ
how to check portgroup in esx?
u can list all the port groups using
esxcfg-vswitch -l
every vlan is having vlan id In vmware terminology ...
port group = vlan .
But 1 or more port group may belong to same vlan
this is not possible in normal switch
esxcfg-vswitch -l
every vlan is having vlan id In vmware terminology ...
port group = vlan .
But 1 or more port group may belong to same vlan
this is not possible in normal switch
What is difference B/w vmotion & virtual center manager
Virtual center is a management console for all ESX and VM's.
vMotion is a application that we can do using management console - virtual center.
vMotion is a application that we can do using management console - virtual center.
How to find the disk type for VM
to find if the disk is
RDM disk
Thick disk
Thin disk
But we do not have option to find if its a Eagerzeroedthick disk.
Above disks can be found by:
Right click on the VM -> Edit settings -> right side under "disk provisioning" look for the option "Type" to see if its thick, thin disk or RDM (physical) disk.
RDM disk
Thick disk
Thin disk
But we do not have option to find if its a Eagerzeroedthick disk.
Above disks can be found by:
Right click on the VM -> Edit settings -> right side under "disk provisioning" look for the option "Type" to see if its thick, thin disk or RDM (physical) disk.
How many type of disk in VM ?( falt, thin .etc)
There are 5 types of Disk in ESX.
1. Zeroedthick
2. Eagerzeroedthick
3. Thin
4. Thick
5. RDM
An other type of disk is used in workstation which is 2GB sparse disk.
Zeroedthick (default) .
Space required for the virtual disk is allocated during creation. Any data remaining on the physical device is not erased during creation, but will be zeroed out at a later time during virtual machine read and write operations.
Eagerzeroedthick
Space required for the virtual disk is allocated at creation time. Unlike with the zeroedthick format, the data remaining on the physical device is zeroed out during creation. Disks in this format might take much longer to create than other types of disks.
Thick
Space required for the virtual disk is allocated during creation. This type
of formatting doesn't zero out any old data that might be present on this allocated space.
Thin
Thin-provisioned virtual disk. Unlike with the thick format, space required
for the virtual disk is not allocated during creation, but is supplied, zeroed out, on demand at a later time.
RDM
Direct access to storage LUN. Other disks are called as Virtual disk and RDM is called as Physical disk. Unlike others the information is not stored on datastore or in a File, but stored on the LUN directly. This is presented using NPIV to the VM's
1. Zeroedthick
2. Eagerzeroedthick
3. Thin
4. Thick
5. RDM
An other type of disk is used in workstation which is 2GB sparse disk.
Zeroedthick (default) .
Space required for the virtual disk is allocated during creation. Any data remaining on the physical device is not erased during creation, but will be zeroed out at a later time during virtual machine read and write operations.
Eagerzeroedthick
Space required for the virtual disk is allocated at creation time. Unlike with the zeroedthick format, the data remaining on the physical device is zeroed out during creation. Disks in this format might take much longer to create than other types of disks.
Thick
Space required for the virtual disk is allocated during creation. This type
of formatting doesn't zero out any old data that might be present on this allocated space.
Thin
Thin-provisioned virtual disk. Unlike with the thick format, space required
for the virtual disk is not allocated during creation, but is supplied, zeroed out, on demand at a later time.
RDM
Direct access to storage LUN. Other disks are called as Virtual disk and RDM is called as Physical disk. Unlike others the information is not stored on datastore or in a File, but stored on the LUN directly. This is presented using NPIV to the VM's
How Is ESX Server Different from GSX Server?
ESX Server is designed for up to 16 processor departmental and enterprise servers, and runs its virtualization layer natively on hardware. VMware GSX Server is designed for up to four processor workgroup and departmental servers. It runs as an application on top of a host operating system.
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