RAID technology for lotus notes can help to safeguard data from destruction when hard disks fail. It blends multiple hard disk drives to create one file system, and utilizes fail-tolerance to rebuild information if a single drive fails. This kind of technology is a good choice for businesses that need to ensure that their information is available all the time.
A raid for lotus notes iDataAgent catalog gathers data from the transaction log of a database, and associates it with a specific Notes database. The transaction log is broken into smaller data files known as sign extents, each of which is 64MB in size. Each sign extent contains a record that indicates when the database was created and also the date it was performed by the Fixup process.
There are several levels of raid. Each has different performance and the ability to handle faults. RAID 1 is the most widespread, as it employs mirroring to basically double the storage capacity of an system. However, it’s not completely foolproof. If the failed disk is mirrored, it will take hours to recover data from remaining drives. RAID 5 is another option that combines striping and parity to offer good storage and performance. It requires two additional disks to achieve parity but offers the most optimal balance between storage and efficiency.