Quite often I will find it necessary to create a recursive snapshot over a large number of ZFS file systems. In this case, I find that frequently have little long term need for them, and need a quick and easy way of disposing of the snapshots created without spending large…
Equallogic: Remove Volume Snapshot Reserve
So if you purchased a Equallogic and put it into production one of the first things that you notice is that your xTB didn’t go as far as you originally planned, this is because Equallogic by default comes with a 100% snapshot reserve on all volumes that you create. This…
ZFS: Snapshot Management
So snapshots are basically a point in time view of everything which exists on a file system at a given point in time. They allow you to build complex data protection schemes which can allow you to give more user-directed restore capabilities, as well as simply give you a good…
Linux-KVM: Managing Disk Images
Disk images have long been the traditional form of storage for virtualized environments, they are essentially containers in the form of a file on the host’s file system. These files can be either fully allocated or sparsely allocated at time of disk creation, a fully allocated 20GB disk image will…