Ingest Hardware Requirements and Architecture

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Components

=Hard Drives=

Storage Transfer Drives (STDs)
Purpose: storage media for copies of acquired media or SIPs arranged by archivists

Requirements: Hardware:
 * Minimize transfer time
 * Limiting factor for transfer rate is likely bus transfer rate, not read/write speed of disk.
 * At least 1TB in size
 * Flexibility to interface with different types of Producer systems
 * reliable, not prone to overheating
 * Internal drive, plus
 * Portable drive enclosure(s)
 * Interface Options - USB 2.0/Firewire
 * eSATA not desireable for transfer from producer systems - requires eSATA card on producer computer; still desirable for copying onsite

HDD formatting:
 * Windows - use NTFS
 * Mac - HFS+ (Mac non-journalled)
 * Linux - ext2

Need: 20-30 hdds 4-6 enclosures

STD copies
Purpose: Storage media for back-up copy of STD/SIP until ingest is complete and AIP storage is confirmed Requirements: Same options as for STDs
 * Different brands/manufacturers to minimize risk of systematic mfg failure

=DA Stations=

Duplication Station
Purpose: Make back-up copies of STD

Requirements Processing power

Hardware PC - no Windows O/S (run Ubuntu natively) 2 or 4 bay enclosure w. eSATA connection

Processing Station
Purpose: Transforms SIP(s) taken from STD to AIP(s) and writes to Archival Transfer Disk (ATD)

Requirements:
 * Lots of processing power
 * I/O Interface; either:
 * USB/Firewire/eSATA ports
 * link to external hdd enclosure - multi bay (2-4 drives)

Archival Transfer Station
Purpose: Reads AIP(s) from ATD and uploads to networked archival storage

Requirements

Hardware

Mac Station
Purpose Appraising mac specific formats - mostly audio, video and image formats and related software