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ESX Host Datastore warning

Hello,

I have three ESX host servers. I initually installed ESX on the local storage (physical HD). I have installed a SAN and migrated all my VMs over to new SAN successfully. I'm not sure why I still get an alarm on two of my datastores stating I'm 75% usage for two datastores.

 Datastore error
After I moved all my VMs over to SAN, I thought I would have more space and error "Warning" would go away.

This is my current storage capacity
  Datastore capacity
Any idea why I get this warning when I've moved my VMs over to SAN?

Thanks,

nimdatx
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Jaime Campos
Asked:
Jaime Campos
2 Solutions
 
CHutchinsCommented:
I can tell you this I had the same issue and fixed it, but I could never get the alarm to go away.  It is not a new alarm it is over a month old now.  It would not be a true warning any more, and it might be you just need to right click and I forget the options but it should give an option to accept and this may make it go away.  
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Andy KeeneyCommented:
how did you migrate?  cold migration, converter, vmotion???
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Jaime CamposAuthor Commented:
right click VM and migrate - selected SAN storage and hit ok.
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Jaime CamposAuthor Commented:
sorry....

I turned off VM and then right clicked VM - migrate - selected datastore - hit ok
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Jaime CamposAuthor Commented:
When I performed the VM migration that's just the VM, so my ESX software is sitting on local storage?
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fireline1082Commented:
I guess this warning is fine and they should go by itself.

Can u confirm if u still see this warning during off peak hours in the night or mid-night
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Paul SolovyovskySenior IT AdvisorCommented:
Check if there is anything else in the datastore.  
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Jaime CamposAuthor Commented:
I dont see anything.....?

 Browse Datastore
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Danny McDanielClinical Systems AnalystCommented:
did you try right-clicking on the alarm and choosing 'reset to green'?
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Danny McDanielClinical Systems AnalystCommented:
Also, did you do a custom install of ESX onto this system?  The ESX installs into a vmdk on the datastore, so if you choose custom sized partitions in an effort to allocate more space to the volumes...you can cause it take up a large amount of the datastore in which case if you go over 75% usage...the alarm will always be there.  If you disable the alarm, it's disabled for all datastores.
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Jaime CamposAuthor Commented:
I installed ESX on the system and used local storage as I didn't have SAN in placed. Now as far as customizing the install, I just remember leaving the default settings.

I can only acknowledge the alarm, but I cannor reset to green. I cannot even modify the alarm settings as it's greyed out. I'm not sure I want to reset to green if there is an issue with some files that need to be cleaned up. I need to figure out how to clean and fix.
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Danny McDanielClinical Systems AnalystCommented:
You can modify the alarms at the vc or datacenter level.  (Can't remember which off the top of my head)
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Jaime CamposAuthor Commented:
when you say vc do you mean vCenter? What is datacenter level. I've seen where I can change alarm and I believe it's on DC Cluster (top level), however it's greyed out. It says that it was defined on VM1.rapa.local and that it would need to be modified where it was defined. I cannot find where to disable or modify the Alarm.

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Danny McDanielClinical Systems AnalystCommented:
yes, VC means vCenter.  So, when you look at the left pane, you see the green boxes logo for vmware and next to it is labeled VM1.rapa.local...that is the VC level.  Click on VM1 there and then click on the alarms tab in the right-hand pane.  Now you should be able to right-click -> edit settings
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coolsport00Commented:
There was a recent post from someone who had the same issue:
http://www.experts-exchange.com/Software/VMWare/Q_26855488.html, they referenced this site that helped them:
http://www.virtualizetips.com/2010/04/how-to-clear-alarms-in-vsphere-vcenter-4/

~coolsport00
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mattolanCommented:
I had an issue with an alarm that would not clear even thought the issue was resolved. I had to go and edit the alert for that alarm to disable it, then re-enable it to clear the alarm.
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Jaime CamposAuthor Commented:
danm66,

It worked. Thanks so much.
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