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a. You can apply it there wont be any problem, because the vcenter save all the information in the database. alarm is triggered with the information in the database and not by contacting directly the datastore, so there wont be any performance issue.
b. Please be clear, bit confusing, as far as i understood you want to set a monnitoring in vcenter for all the individual VM's VMDK, if there is a option to monitor that you cal always set it up- but i am not sure about it. Also let know the version vcenter you using.so that a option can be given.
Thank you for your quick answer
Yes i would like to now if i can create an alarm for all individuals Vms VMDK if possible, instead of using tools within the OS (like Microsoft FSRM and so on)
We are using vCenter 4.1.0 Essential licens
Alarms can be configured at various levels of the VMware host, VM, datacenter, and cluster level.
VMware Virtual Center alarms are something you edit in the Alarms Tab inside a VMware Virtual Infrastructure Client (VI Client) that is connected to a Virtual Center host.
Before you create a new alarm,what I would suggest that there are already some default alarms created. Those alarm descriptions will start with the words “default alarm”. Here are the current default alarms:
As you can see from the name and descriptions of these alarms, these default alarms are there to both monitor host and virtual machines. The 3 default alarms for hosts will alarm on
1) ESX lost host connections,
2) high ESX host CPU utilization,
and 3) high ESX host memory utilization.
The 2 default alarms for virtual machines will alarm on 1) high virtual machine CPU utilization and 2) high virtual machine memory utilization.
IF these alarms do not suffice to your requirement then in that case you can create a new alarm with your specification and give your email address for notofication.
follow this link for details.
follow this useful doc .
Perhaps the recommended way is not to monitor VMDKs storage usage with alarms? I cannot find any options to do it with %.....
Any tips how to do this the recommended wmware way would be much appreciated