Posts Tagged ‘snapshots’
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 means that if you allocate [...]
A few days ago someone contacted me with an interesting issue with regards to the ZFS automatic snapshots, facilitatedby the time slider service. The Situation OpenSolaris machine with zpool exported. Time slider was working prior to export. Solaris 11 Express fresh install with zpool imported. The Symptoms Basically the core of the issue was that [...]
So snapshots are basically a point in time view of everything which exists on a file system at a given point in time.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 way to roll back complex [...]
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 take up 20GB of storage [...]