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computing:storage:zfs
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| - | A **snapshot** provides a read-only, point-in-time copy of a file system or volume that does not consume extra space in the ZFS pool. The snapshot | + | A **snapshot** provides a read-only, point-in-time copy of a file system or volume that does not consume extra space in the ZFS pool. The snapshot only uses space when the block references are changed. Snapshots preserve disk space by recording only the differences between the current dataset and a previous version. |
| :!: A typical example use for a snapshot is to have a quick way of backing up the current state of the file system when a risky action like a software installation or a system upgrade is performed. | :!: A typical example use for a snapshot is to have a quick way of backing up the current state of the file system when a risky action like a software installation or a system upgrade is performed. | ||
| A **clone** is a writable volume or file system whose initial contents are the same as the dataset from which it was created. | A **clone** is a writable volume or file system whose initial contents are the same as the dataset from which it was created. | ||
computing/storage/zfs.1588874529.txt.gz · Last modified: 2020/05/07 12:02 by gcooper
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