Space issue on VM but space available

Virtual Machine Message
the is no more space for virtual disk servername.vmdk. You might be able to continue the session by freeing disk space on the relevant volume and clicking retry.

The odd thing is the storage where the server sits as 10gb free and when the server is fired up, each of the disk on the guest have 10Gb or more on its C D and E drive.

Any ideas why I keep getting this error?

I can see a 10gb snapshot of the server from over a year ago, can I get rid of that?

Sycamore IT
SycamoreITAsked:
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Seth SimmonsSr. Systems AdministratorCommented:
I can see a 10gb snapshot of the server from over a year ago, can I get rid of that?

i probably would
however, with such low disk space, could do more harm than good trying to delete the snapshot with such little space
if you have another data store to move that guest to, then do that first
otherwise, try to clean up other things (or move) from that data store
when you start a guest, space is also used for the swap file which equals the amount of memory
if your guest has 4gb of memory configured, it will create a 4gb swp file when it starts
it might show that much free space on the individual drives, though it could be thin provisioned and thus over provisioned for the guests
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SycamoreITAuthor Commented:
Ive got anothere datastore but its not enough to move the guest onto. There is enough space to move the 10Gb snapshot over to - but when I select move on the snapshot I get the following warning.

---------------------------
Confirm Move
---------------------------
If the selected items contain virtual machine (VM) files, moving the selected items will prevent the corresponding VM in the inventory from operating unless VM added to Inventory again.



If VMs are sharing base disks contained in the selected items, moving the selected items may prevent other VMs from operating correctly.
---------------------------
Yes   No  
---------------------------

Still safe to move it?
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Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
Any ideas why I keep getting this error?

because your HOST datastore has ran out of space!

You really need to read my Article..

HOW TO: VMware Snapshots :- Be Patient

When the VM is powered off, what  space do you have on the datastore, you may not have to MOVE it which is dangerous with a snapshot...
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SycamoreITAuthor Commented:
The snapshot in question is has a time stamp of last year. I dont recall making it thou. The space on the datastore is 11.46gb free of 952gb.

Im just reading your article again now.
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Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
Okay, so we can shutdown, and turn off the VM, to save space, and then I can advise how we safely deal with it.
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SycamoreITAuthor Commented:
Whilst I was on the Vcentre i noticed VMWare vCentre Server Appliance v5.5 had also suffered the same and had powered down. With that powered down I was able to power up the other server. The users  have connected to the machine which is down and been able to carry out what they need but this doesnt really fix the issue long term. The VMWare vCentre also sits on the same datastore as the other server.

Not sure if that helps or breaks anything by not having the vmware vcenter server running thou.
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Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
The issue as the disk grows, it will use up all the datastore, and then we will be really stuck.

TURN IT OFF, and lets deal with the snapshot, other wise you will be in the brown stuff!
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SycamoreITAuthor Commented:
Ok, the server is off.
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Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
How much datastore space ?
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SycamoreITAuthor Commented:
11.46gb free out of 952gb in total on the store that the server in question sits on.
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Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
Okay, so select the VM, select Snapshot, Take a new snapshot

Wait 120 seconds...
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SycamoreITAuthor Commented:
Ok, its taken a snapshot.
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Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
and then select DELETE ALL, and wait and be patient...
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SycamoreITAuthor Commented:
Ok so open up the snapshot manager and I can now see my snapshot - just click on delete all (just want to be sure). This will also delete the old snapshot as well?image
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Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
No....

Okay, so select the VM, select Snapshot, Take a new snapshot, you need to Take a new Snapshot.....

Wait 120 seconds...

we do the bit you posted last...
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SycamoreITAuthor Commented:
I dont have option to "Take a New Snapshot", I just have the option to "Take Snapshot". I have done this and this is now what appears in the Snapshot Manager.ee
So I can now see the two snapshots which Ive taken today.
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Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
okay....

now select DELETE ALL

Be Patient and wait.....

do not touch, do not meddle.....
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SycamoreITAuthor Commented:
Ok, its chigging away, 40% done in 10 mins. Leaving alone thou.
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Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
do not be surprised if it gets to 90, 95, 99, 100% and sticks...

normal!
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SycamoreITAuthor Commented:
Its stuck on 99 and has been for an hour or so - just leave it be for the rest of the evening will check later.
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Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
yes correct
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SycamoreITAuthor Commented:
Ok woke up this morning to a clean snapshot manager and no jobs pending, all done - thank you for walking me through the process Andrew - top notch support.
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SycamoreITAuthor Commented:
All done - follow your steps and it worked a treat - best advice - be patient!!!
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