Info about Backup CDs
Info about Backup CDs
Backup CDs are great for storing mission-critical data. However, data on backup CDs can become lost and a recovery plan needs to go into action. Backup CDs should be kept in a safe environment away from dust, heat, static, and other contaminations.
Backup CDs - Diskettes
Backup CDs come in spherical sections of thin Mylar plastic, which is coated with an oxide material similar to that used on recording tapes, or they come in tape form.
Backup CDs are great for storing data, but if you have a large amount of data, other options should be sought out for your storage needs. The new optical disk that is hitting the market can store terabytes of storage data. Amazing, and as technology advances, we never know how much one little round disk will store.
Backup CDs - Hard Disks
Hard disk supply huge and swift secondary storage space than diskettes. A hard disk consists of one or more rigid platters coated with oxide material which permits files to be magnetically recorded on the disks surface. Most hard disks however are mounted inside your computer and can not be moved like diskettes, at least until recent technology. With hard disks if you store data on one drive, two surfaces will be obtainable for storing data. Backup CDs are a supplementary for hard disk.
Backup CDs - Access Time
For hard disks, access time is between ten and twenty milliseconds. This means that hard disk is faster than backup CDs. Also, a hard disk spins ten to twenty times faster than backup CD drives. The storage capacity of hard disks drives is measured in megabytes. Some computers have hard disks that can store billions of bytes of data on its surface. Hard disk read/write heads are attached to what are called access arms that swing over the disks surface reaching the correct track.
Backup CDs - Organized
Data is usually organized in one or two ways on a backup CDs- hard disk. The sector method is comparable to the backup CDs' method. The disk surface is separated. The cylinder method- all tracks of the same number on each recording is considered part of the same cylinder.
Backup CD's are economical, however you must ensure their protection once you have backed up your data to disks. Also, you need to take care of them as though they were a new born. If you elect automatic backup CD programs you will have a sure guarantee that your data is backed up and protected. In many cases, people forget to backup those files and this leads to disaster in the long run. Automatic backup offers a remedy to those "I forgot to back up my data" problems. No more worries for you and you will never have to worry about getting fired.
Backup CDs - Tip
Compressing your files before you back them up, will save space and add additional room for those extra backup needs. Also, using encryptions in backup CDs process will protect your mission-critical data.