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Network Attached Storage - An Various To Tape Back-up
Businesses have been using tape to make a copy their knowledge since the early days of computing. Tape has its limitations, however it had been a lot of cheaper than the alternatives, thus its use continued.
Nowadays, matters is changing. The price of disk storage has come down dramatically and therefore the performance, longevity and use characteristics of disk are so much superior to tape. Therefore, several businesses are trying to move faraway from tape for his or her backup and disaster recovery needs.
The key needs of a perfect backup scheme are:
o It should be economical. Giant amounts of information want to be accommodated (thanks to the necessity to keep multiple versions of the data), however in several cases the info can never be accessed. Its contribution to the corporate's bottom line solely comes if the data is required, otherwise, it's an unnecessary expense.
o It should be reliable over the long term. Some data should be stored for long periods of time, maybe decades in some situations, to satisfy regulatory and business needs. If that data is ever required it must be readable and accessible. When tape sits unused for a long amount, it gets brittle and is liable to breaking and knowledge loss.
o It must be quick and straightforward to line up and operate. Back-up windows are obtaining tighter as the hours of operation increase and the quantity of information continues to grow. Therefore, the speed of the backup is critically important. If the backup process will be automated,[link widoczny dla zalogowanych], human errors and prices are reduced.
o Restoring knowledge, either individual files or a full system, must be fast, simple and reliable. Nowadays, it can take a very long time to retrieve tapes from their offsite storage. Information on tape is stored sequentially so access to specific records will be cumbersome. Reading the tapes will be problematic if the tape is old, brittle or distorted. All this uses precious IT resources that would be better spent elsewhere. Disk storage has none of those issues.
The NAS Approach
With prices in the $2 per GB range, Network Connected Storage (NAS) systems are rapidly becoming the ideal,[link widoczny dla zalogowanych], cost-effective back-up solution.
o Disk-to-Disk data transfer speeds far exceed those of writing to tape, thus a lot of data will be backed up in less time.
o Disk storage has larger longevity than tape, therefore the information goes to be there and accessible when you would like it.
o Random access to information on disk saves time when attempting to restore specific files.
o NAS devices are freelance, complete systems that connect on to your network therefore they don't impact your other systems.
o Tape rotation schemes are doable with disk-primarily based systems and refined ones will eliminate duplicate files for a lot of compact storage.
o For smaller amounts of information, removable disk drives mounted in hot-swap enclosures will offer a competitive different for offsite knowledge storage.
o Locating a NAS system in another workplace and backing it up over the network provides a fast, automated remote backup. Within the event of a disaster, the backup system is immediately prepared to step in for speedy recovery and business continuity.
Many businesses are implementing a staged approach, where an onsite NAS provides quick backups and restores for servers and workstations. Then, to arrange for a disaster that destroys or prevents access to the primary place of business, the information is automatically replicated to a second NAS at another location. For rapidly changing and highly vital data, the on-website and off-web site systems will be set up to mirror every different,[link widoczny dla zalogowanych], thus that little or no information is lost if disaster should strike.
There are other reasons for deploying a NAS system. By accomplishing multiple goals, the NAS can be even easier to justify. Examples embrace:
o Further finish user storage. Centralized storage is easier to keep a copy than data stored on several end user systems.
o Ideal for central repositories for workgroup or departmental knowledge that has got to be shared.
o Regulation compliance,[link widoczny dla zalogowanych], like email retention needs for HIPAA or Sarbannes-Oxley.
Even if you [link widoczny dla zalogowanych]se not to abandon tape backup entirely, you can use a NAS as a rapid staging server to gather the information from other systems quickly throughout your backup window. Then let the NAS feed the info to the tape unit without worrying about time constraints. This can be known as disk-to-disk-to-tape backup.
Network Connected Storage systems are quickly turning into the popular knowledge sharing, management and backup answer for enterprise applications and database environments. Jeff Patterson has been writing articles online for nearly 2 years now. Not only does this author specialize in Continuity Disaster Recovery, you can also check out his latest website about Which reviews and lists the bestHoneywell Air Filters For Life.Topics related articles：

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