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tech53Flag for United Kingdom of Great Britain and Northern Ireland

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Insufficient disk space on datastore

We run VMware 6.0 on a Cisco UCS host. There are  6 X 1.2TB HDD in RAID10 giving 3.4ish TB and we are running low on space on Datastore1.  The LSI RAID controller wont let us add disks to the existing RAID so we've created a new RAID1 with 2 x 1.2TB drives.  

Using VCSA, we have moved 3 of our VMs to Datastore2, freeing up 400GB on Datastore1 and now we are trying to extend the size of the virtual disk of our exchange server by 50GB but we get the error

Insufficient disk space on datastore ''.

When we look at the error stack we see "The disk extend operation failed: msg.disklib.NOSPACE"

We cant understand why we are not allow to increase a vdisk when it is reporting that there is more than enough space free.  Any help much appreciated.
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Paul Solovyovsky
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Before you proceed ensure that you do not have any snapshots on the VM and the disks are consolidated
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ASKER

There are no snapshots and the option to consolidate disks is greyed out.

There are 3 vdisks on this VM.  208GB, 1.07TB and 150GB.  I have been able to add 1GB to disk1 and disk3 but I get the error on disk2 no matter what additional space I add.
Please check VM Folders, do not reply on checking Snapshot Manager!!!!!

Have a read of my EE Article

HOW TO: VMware Snapshots :- Be Patient
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ASKER

Thanks for the input Andrew.  I've checked the vm folder and there are no leftover snapshots files.  I've attached a screenshotUser generated image
which disk are you trying to extend, and does it state what the maximum size of the disk can be ?
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tech53
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