Types of volumes

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RAID is a storage system that uses multiple disks to distribute the information between them, mainly provide fault tolerance, higher capacity, integrity, performance and reliability in storage.

Types of RAID:

RAID0, is that we have two volumes of records and information is distributed evenly. This technique favors speed, since many users may be working a data simultaneously. No information is redundant (repeated).

RAID1 (mirror), is to have an identical copy of what we have, if it fails we can retrieve the information. The downside is that it takes space to have two discs with the same information.

RAID5: Distributes information between different drives, and redundant information is distributed (in the parity blocks) cycle through all the disks. The parity block multilpe gives us information about the disk and the system.



Windows RAID

Types of dynamic volumes:

Simple: This volume uses the space of a single physical disk

Distributed: This is a volume that is created to occupy the space of several disks.

Selected: corresponds with RAID level 0

Reflected: 1 corresponds to the level of RAID

Raid-5: corresponds to the level 5 RAID.

A server cluster: a group of computers that are connected by a high-speed network, so that all signature looks like a single computer, more powerful than ordinary computers.

One advantage is that computers do not have to have either the same hardware or the operating system itself. And with this system you get: - High Availability / - High Performance / - Load Balancing

Mirroring or back mirror

Stability Windows Vista: Working with Dynamic Disks

Windows Server2008: You can create all types of dynamic volumes

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