Why Companies Prefer Tape Drives as Data Backup Media?

It has been observed that many companies prefer itsmall businesses which do need to backup the data
even today (about 80% of the digital data evenbut cannot afford to invest a large sum of money
today is stored on tapes.) even when many newfor the same purpose.
devices such as flash drives, portable hard drives or- Another possible advantage of tape drives is the
even CDs and DVDs have come up as data backuptape library system which helps you keep your data
media. Let us have a look at the reasons for theorganised and this particular process is automated as
same by considering the advantages that tape driveswell. The software that is used for the same has
offer.also shown a lot of development over the years.
Advantages of Tape Drives- The reliability of storage of data on tape drives has
- In tape drives, it is not possible to access any databeen in question many times. But nowadays even
randomly but it can be accessed only sequentially. Butthat is not a thing to worry about since the tapes
even with this apparent disadvantage, high datakeep your data quite safe for a long period of time
transfer speeds (up to 80 MB per second) can bethough not as long a time as offered by hard disks.
achieved on them. The randomness in access of dataBut this is amply compensated by the cost
is also not required generally as most of the datadifference between the two.
backup is carried out just to comply with the laws of- Corruption of data that has been backed up is a
disaster management and these data are rarelyproblem that has been faced by many companies so
accessed in reality except when a disaster strikes.far and the only solution for the same is making
- Another significant advantage of tape drives is themultiple copies of the same data. Practicing the same
amount of storage space that they offer. It rangesby using disks proves to be very expensive and
from a few Megabytes to about 800 GB that toohence a backup copy on a tape is generally
without compression. With such a large amount ofpreferred.
space available, a single tape drive could prove to be- Where security is the concern, tape drives also
sufficient for all the data that you may need tohave not been left behind and the newer versions
backup.offer options such as WORM (Write Once Read
- To add to the above mentioned capacity, tapeMany) which allow data to be written on the disks
drives offer you a high compression ratio, whichonly once and it can be accessed many times. Other
means that the data that is to be stored on thefeatures such as encryption are also available. They
drive can be compressed to even half its original size.also limit access to the data to a particular
- Also, with the technological advancements in thegeographical location so that the data cannot be
form of new storage media, the tape drives alsostolen over the internet.
have not been left behind. They have shown a vastThe Last Word
amount of improvement over the years since 1951The tape drives are also expected to hold a large
when the tape drive was first introduced.share in the market in the years to come as tapes
- Cost is always an area of prime importance whenwhich can store up to 2 TB (Terabytes) of data are
data backup is concerned. Tape drives are quite costexpected to be developed within 5 years from now.
efficient as well and are cheaper than most otherGiven all these advantages, it is no wonder that tape
forms of data storage when the ratio of cost perdrives remain the preferred backup media even
amount of data that is stored is taken into account.today!
This makes the tape drives affordable especially for