3
All of the Engines and the Avid NEXIS | SDA must be running Avid NEXIS | FS version 7.0 or higher to use this
feature. Mirrored Workspaces protect against the failure of an entire Engine (all of its Media Packs) by duplicating
(or mirroring) the Workspace data onto other Media Packs in separate Engines. In the event of an Engine failure,
the Workspace remains usable with no data loss. Having at least three like Engines allows the system to maintain
quorum.
Avid NEXIS | SDA plus any of the following configurations support mirror-capable Storage Groups:
• Three or more Avid NEXIS | E2 Engines, each with one 20TB, 60TB, or 100TB Media Pack (must be the
same in all Engines)
• Three or more Avid NEXIS | E4 Engines, each with two 20TB, 60TB, or 100TB Media Packs (must be the
same in all Engines)
• Three or more Avid NEXIS | E5 Engines, each with between four and eight 20TB, 60TB, or 100TB Media
Packs (must be the same in all Engines)
All of the Media Packs must be added to the same Storage Group, which then becomes mirror capable. In the
Management Console on the Storage Groups page, when the Storage Group contains the correct number of Media
Packs in equivalent Engines, the Mirror Capable column displays a Yes.
Mirroring requires the use of an Avid NEXIS | SDA, and therefore is not supported in configurations using or
restricted to an embedded System Director.
For more information, see the Avid NEXIS Administration Guide.
System Details
The Engines and the System Director Appliance are described in more detail in the following sections.
Engines and System Director Appliance
The Avid NEXIS Engines and the System Director Appliance are rack-mountable units housing the other system
components (drives, Controllers, and power supplies). If a component fails, the system is designed to remain
operational while you replace it. Do not shut down an Engine or the System Director Appliance before replacing a
failed part.
Data passes between the Engine and clients through a switch connected to the Engine with one or more 10 Gb or
40 Gb Ethernet connections. These connections provide clients access to the data on the media drives.
Avid NEXIS | E2, Avid NEXIS | E2 SSD, Avid NEXIS | PRO Engine Front View
The front of the 2U chassis has a removable bezel (not shown). Removing the bezel allows access to the drive
slots. This Engine supports one Media Pack (10 drives) for media storage and two system drives. As shipped from
Avid, the system drives occupy the first two slots (0 and 1). Drive slot numbering is shown below.
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