troubleshooting Question

Insufficient disk space on datastore

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tech53Flag for United Kingdom of Great Britain and Northern Ireland asked on
StorageCiscoVMwareRAID
6 Comments1 Solution335 ViewsLast Modified:
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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