Common Symptoms of Failing RAID's & Servers

RAID Arrays | NAS Drives | SAN Drives

From complex recoveries such as lost RAID volumes, Damaged RAID Drives, Lost partitions, Corrupted SQL Databases and Damaged Exchange Servers all the way to single file repairs for common software such as Quickbooks, Peachtree, Microsoft Office Suite and many others. ECHO Data Recovery offers a complete recovery solution so you can get back up and running both quickly and affordably..

  • Multiple Drive failure

  • RAID Controller failure

  • Incorrect RAID Rebuilds

  • Accidental re-initialization of RAID

  • Damage to partition due to corruption or formatting

  • Damage from a Virus

  • RAID Header corruption

  • Proprietary file systems

01.

RAID array & servers

What is a RAID system and how do they work?

With RAID technology, data can be mirrored on one or more disks in the same array, so that if one disk fails, the data is preserved. Thanks to a technique known as striping (a technique for spreading data over multiple disk drives), RAID also offers the option of reading or writing to more than one disk at the same time in order to improve performance.

In this arrangement, sequential data is broken into segments which are sent to the various disks in the array, speeding up throughput. A typical RAID array uses multiple disks that appear to be a single device so it can provide more storage capacity than a single disk.

There's 2 common types of RAID systems :

RAID systems with one or more redundant HDD(s). They can keep on working with X HDD failure(s). X is equal to the number of redundant HDDs.
RAID systems without redundant HDD. These ones won't tolerate any HDD failure.

RAID Is Not Data Backup

RAID should not be confused with data backup. Although some RAID levels do provide redundancy, experts advise utilising a separate storage system for backup and disaster recovery purposes.

02.

NAS | network attached storage servers

NAS systems are networked appliances which contain one or more storage drives, often arranged into logical, redundant storage containers or RAID. Network-attached storage removes the responsibility of file serving from other servers on the network.

They typically provide access to files using network file sharing protocols such as NFS, SMB/CIFS, or AFP. From the mid-1990s, NAS devices began gaining popularity as a convenient method of sharing files among multiple computers. Potential benefits of dedicated network-attached storage, compared to general-purpose servers also serving files, include faster data access, easier administration, and simple configuration

Your Network Attached Storage (NAS) device is an essential element of your network. It stores crucial data for your users, and a failure could critically affect the way your company operates

03.

SAN | storage area network servers

Storage area networks (SAN's) are sometimes referred to as network behind the servers and historically developed out of the centralised data storage model, but with its own data network. A SAN is at its simplest a dedicated network for data storage, also termed storage network.

SAN's are primarily used to enhance storage devices, such as disk arrays, tape libraries, and optical jukeboxes, accessible to servers so that the devices appear to the operating system as locally attached devices.

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