HP Ultrium 215 Capacity Native, Compressed, Buffer Size, Performance Sustained transfer, Error

QuickSpecs

HP StorageWorks Ultrium Half-Height Tape Drives

Technical Specifications

Capacity	Native	100 GB	100 GB	200 GB
	Compressed	200 GB	200 GB	400 GB
	(assumes 2:1 data
	compression)
	Buffer Size	16 MB	64 MB	64 MB
Performance	Sustained transfer	7.5 MB/s	16 MB/s	24 MB/s
	rate, native
	Sustained transfer	15 MB/s	32 MB/s	48 MB/s
	rate, compressed
	(assumes 2:1 data
	compression)
	Burst transfer rate	80 MB/s (with Ultra2	160 MB/s (with Ultra3	160 MB/s (with Ultra3
		SCSI wide)	SCSI wide)	SCSI wide)
	Data rate matching	6-7.5 MB/s (native)	6.7-16 MB/s (native)	8-24 MB/s (native)
	range
	Data access time	142s typical for a 100	64 s typical for a 100	64 s typical for a 200
	(from BOT)	GB tape (native)	GB tape (native)	GB tape (native)
	Average load time	25 s	17 s	17 s
	Average unload time13 s		16 s	16 s
	Rewind time from	284 s (100 GB tape)	121s (100 GB tape)	121 s (200 GB tape)
	EOT
	Rewind tape speed	2.05 m/s	5.0 m/s	5.0 m/s
Reliability	MTBF	250,000 hours	250,000 hours	250,000 hours
		at 100% duty cycle	at 100% duty cycle	at 100% duty cycle
	Uncorrected Error	1x1017 bits read	1x1017	1x1017
	Rate
Media		LTO Ultrium1	LTO Ultrium 1	LTO Ultrium 1
Compatibility		with 4K Cartridge	with 4K Cartridge	with 4K Cartridge
		Memory	Memory	Memory;
				LTO Ultrium 2
				with 4K Cartridge
				Memory
Tape Format	Recording method	8-channel linear	8-channel linear	8-channel linear
		serpentine	serpentine	serpentine
	Recording format	LTO Ultrium 1	LTO Ultrium 1	LTO Ultrium 2
				LTO Ultrium 1 (for 100
				GB tape)
	Data compression	LTO DC dual mode	LTO DC dual mode	LTO DC dual mode
		compression (an	compression (an	compression (an
		enhanced version of	enhanced version of	enhanced version of
		ALDC)	ALDC)	ALDC)
	Error	Reed-Solomon	Reed-Solomon	Reed-Solomon
	detection/correction
	Read channel	Peak Detect	Partial Response	Partial Response
	technology		Maximum Likelihood	Maximum Likelihood
			(PRML)	(PRML)
	Data encoding	RLL 1,7	RLL 1,7	RLL 0,13/11
	method
Interface	Interface type	Wide Ultra2 SCSI	Wide Ultra3 SCSI	Wide Ultra3 SCSI
		(LVDS)	(LVDS)	(LVDS)
	SCSI connector	Internal: 68-pin LVDS	Internal: 68-pin LVDS	Internal: 68-pin LVDS
		External: 68-pin HD	External: 68-pin HD	External: 68-pin HD

DA - 12128 Worldwide QuickSpecs — Version 7 — 3/17/2006 Page 19