Peat, which has industrial importance as a fuel in some regions, for example, Ireland and Finland. In its dehydrated form, peat is a highly effective absorbent for fuel and oil spills on land and water. Lignite (brown coal) is the lowest rank of coal and is used as fuel for electric power generation.
You can perform the following tasks only on a dynamic disk: 1  Create and delete simple, spanned, striped, mirrored, and RAID-5 volumes. 2  Extend a simple or spanned volume. 3  Remove a mirror from a mirrored volume or break the mirrored volume into two volumes.  Repair mirrored or RAID-5 1  volumes. Reactivate a missing or offline disk.
In a storage context, the main advantage of removable disks is that they can deliver the fast data backup and recovery times associated with storage area networks (SANs) while also providing the portability of tape that may be required to meet corporate backup and recovery requirements.