Every backup can be indexed after creation by
BackupEDGE. That means you have the option of producing an on-disk database
of the files stored on a particular tape. This database stores the filename, size, owner / group / permissions, link targets, position on tape, etc. for each file in the backup. If you later wish to review the contents of a tape, you will have this information available to you via our
graphical interface, without the need to actually read the tape. If you find a file(s) you wish to restore, the database is used transparently to restore the file(s) as quickly as possible with our Fast File Restore
technology from any of our graphical, character, or command-line interfaces. Tape databases can be automatically compressed
after a certain amount of time. Compressed databases function exactly like uncompressed databases (except a little slower), so you don't have to be
concerned with the details; you just tell BackupEDGE how many days you want to wait before tape databases are automatically compressed.
Of course, you can also specify a [different] length of time for database purging. Databases older than the given number of days are deleted from
the system. Restores from tapes without databases simply operate from "normal" speed, or you can re-index a tape at any time using our menu system. |
