Everything would then be contiguous and there would be room to expand the partition. I haven't used VMware for years but when I had problems with running out of space on the harddrive partition I was able to make a backup from the OS (outside of VMWare) and optimize the harddrive, then copy the deleted files back. In any event it's advised not to make more than a few snapshots nor keep them for more than 72 hours - so if you don't need them they can be deleted, and if you've finished backing up your drive you don't need them. Increasing the disk size when snapshots are still available can corrupt snapshots and result in data loss.Īs long as VMware and the operating system running inside are operating correctly you won't need to rollback and thus have no need to keep your snapshots. Increasing the virtual machine disk size or virtual RDM. Note: vSphere 5.0 and later support Storage vMotion with snapshots on a virtual machine. Performing Storage vMotion in vSphere 4.x and earlier environments. When using a third-party backup software, ensure that snapshots are deleted after a successful backup.Įnsure that there are no snapshots before: The VMware Knowledge Base: " Best practices for using snapshots in the vSphere environment (1025279)" recommends: Snapshots are not meant as a long term backup. Never keep a snapshot longer than a few days. Since it shouldn't have become that large in the time it took to delete the large snapshot, this should be quite quick. After the large snapshot is deleted, delete the new one.Since the VM writes all changes to the disk file of the newly created snapshot, your machine will continue to work instead of freezing Take a new snapshot (you can have multiple snapshots of a VM).If this is the case and you want to prevent downtime of your service, there is a nice simple trick to prevent this: If your snapshot is large (tens or even hundreds of gigabytes) this might take time, up to several hours. One word of warning though: Your machine will be frozen during the time it takes to delete the snapshot.
Just make sure you delete it via the interface, don't delete files on the datastore directly. Just delete the snapshot, it is a safe procedure. You can't extend a virtual disk as long as it has a snapshot.
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