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I need to rebuild the raid since I have a new disk in it now formatter. &nbsp;I cannot find in disk utility how to rebuild the raid.<br />
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thanks. &nbsp;mac os
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I need to rebuild the raid since I have a new disk in it now formatter.  I cannot find in disk utility how to rebuild the raid.

thanks.  mac os

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<div class="content wysiwyg-content">
Mac os with disk utilities. &nbsp; Lacie 6TB 2big thunderbolt series.<br />
<br />
One of the drives failed out of the two. &nbsp;I received a new drive today, and need to rebuild the raid set. &nbsp;It also shows a lock on the drives. &nbsp;I &nbsp;plugged in the drive and its already formatted from the factory to journal setting.<br />
<br />
computer cannot see the lacie drive, but the disk utility does.<br />
<br />
how do I get this back up and running?
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Mac os with disk utilities.   Lacie 6TB 2big thunderbolt series.

One of the drives failed out of the two.  I received a new drive today, and need to rebuild the raid set.  It also shows a lock on the drives.  I  plugged in the drive and its already formatted from the factory to journal setting.

computer cannot see the lacie drive, but the disk utility does.

how do I get this back up and running?

how to rebuild a raid set after installing a new drive without loosing data.

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Apple Hardware

A peripheral device is defined as a computer device, such as a keyboard or printer, that is not part of the essential computer (i.e., the memory and microprocessor). These auxiliary devices are intended to be connected to the computer and used in conjunction with it. Examples of external peripherals include mouse, keyboard, printer, monitor, external Zip drive or scanner, while internal peripherals include CD-ROM drive, CD-R drive or internal modem. Today's new devices, such as tablets, smartphones and wearable computing devices are considered peripherals as they can be connected and used on a computer system. The difference, however, is that these devices can run independently of the computer system.

Peripherals

A desktop computer is a personal computer designed for use at a single location due to its size and power requirements, usually by one person. The most common configuration has a case that houses the power supply, motherboard, disk storage (usually one or more hard disk drives and optical disc drives); a keyboard and mouse for input; and computer monitor and printer for output. The case may be oriented horizontally and placed atop a desk or vertically and placed underneath or beside a desk.

Desktops

RAID stands for Redundant Array of Independent Disks.

RAID is data storage technology that allows multiple drives to be used together as a single virtual drive for reasons such as fault tolerance, reliability and performance. 

There are several different levels of RAID that determine how the data is stored and the level of redundancy achieved across the drives.