Grass Valley K2 System Guide v.9.0 - Manual (Page 124)

About the internal storage system
A K2 Summit/Solo system with internal drives for media storage is a self-contained, stand-alone
unit, with no external devices for storage, audio, or video connections required.
Related Topics
K2 Summit Transmission models on page 197
K2 Summit 3G internal storage system
The storage system on an internal storage first generation K2 Summit system includes the following:
mSATA — The mSATA SSD boot media on the front interconnect board serves as the system drive.
The Windows operating system, applications, and other standard computer software components
reside on the system drive.
RAID drives — There are slots for twelve 2.5 inch RAID drives, located behind the front bezel
assembly in the front of the unit. These drives are for media storage. Twelve media drives are
available. Media data is written or “striped” across media drives in a continuous fashion, which
makes them a “stripe group”. This media stripe group appears as the V: drive to the Windows
operating system.
Disk controller board — The disk controller board provides the RAID functionality for the internal
disks. It is mounted vertically in the front of the unit. K2 Summit 3G systems with direct-connect
storage or shared SAN storage do not contain a disk controller board, as RAID disks are in the
external RAID storage devices.
RAID 1 — Drives configured as RAID 1 provide redundancy. The two disks in a RAID 1 LUN are
redundant partners. Any single disk in a LUN can fail and disk access can continue. When a disk
fails, error messages in the AppCenter StatusPane inform you of the problem. You can then replace
the failed disk. The data is rebuilt on the replacement disk and redundancy is restored.
RAID 0 — Media drives configured as RAID 0 offer no redundancy. If any single RAID 0 media
drive fails, all data is lost on all media drives.
First generation K2 Summit internal storage system
The storage system on an internal storage first generation K2 Summit system includes the following:
Compact Flash — The Compact Flash boot media serves as the system drive. The Windows operating
system, applications, and other standard computer software components reside on the system drive.
RAID drives — There are slots for eight 3.5 inch RAID drives, located behind the front bezel
assembly in the front of the unit. These drives are for media storage. Eight media drives are available.
RAID 0 is available as an option from the factory. Media data is written or “striped” across media
drives in a continuous fashion, which makes them a “stripe group”. This media stripe group appears
as the V: drive to the Windows operating system.
Disk controller board — The disk controller board provides the RAID functionality for the internal
disks. It is mounted horizontally in the front center of the unit. K2 Summit systems with direct-connect
124 K2 System Guide 06 November 2012
Managing Stand-alone Storage