As discussed earlier, RAID is a utility which provide any system fault tolerance and good performance. Generally in Unix and Windows environment we mainly use three types of RIAD’s i.e RAID 0, RAID 1 and RAID 5. Before configuring any RAID type in our UNIX system, firstly we have to create RAID partition for it. Continue reading
Understanding Concept of Striping, Mirroring & Parity
If you want to work as a Storage administrator or a SAN, NAS expert, then you should have good knowledge of some basic terms in storage and backup. Today we are going to talk about basic RAID levels, which you must understand. As you must be knowing that RAID is the most widely used data protection technology which is used today and multiple disks work as part of a set to provide protection against HDD failures. Striping, Mirroring & Parity are the three basics of RAID levels, which we are going to discuss. Continue reading
Tape Library Autoloader
Tape Library is a very important term in Information storage industry and in simple term’s, Tape Library is inventory of magnetic tape cartridges and tape drives, which are needed for storage purpose. And in a automated Tape Library you will also find a robotic arm which is used to mount and dismount the tape. Continue reading
How to Run Inventory in Netbackup 6.5
In simple definition Inventory is a list of goods on hand or a catalog of all the items in house. Inventory in any backup tools plays a very important part. Whenever insertion and removal of any tape and media takes place, we have to run the inventory, so that our tape database is upto-date and backup tool only picks tape available for backup, otherwise backup may fail. This tutorial will tell you how to run inventory in Symantec Netbackup tool 6.5. Continue reading
Content Addressed Storage (CAS)
With increasing data and information, problem of storing the information is becoming a big challenge in the industries. The data which becomes old with the time, is likely to change or edited very less and said to be Fixed data. But this fixed data is accessed by many users over the period of time and is going to access further. So this data cannot be deleted or removed and must be preserved for future use. The demand for managing and storing such fixed data or fixed content gave birth to Content Addressed Storage System (CAS). Continue reading
Know About Catalog Backup
Catalog backup are required to protect Netbackup internal databases. The catalog contains setup information as well as critical information about client backup and thus it is very important to protect them. They are tracked separately from other backups to ensure recovery in case of server crash. Backup information includes records of the files that have been backed up and the media on which the files are stored. The catalogs also contain information about the media and the storage devices. Continue reading