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62 HP StorageWorks 1000ux/1900ux/2300ux Optical Jukebox User’s Guide
Drive specifications
Note: This product supports mixed drives. The supported configuration includes two
MO drives and two UDO drives only.
Table 11: Drive specifications
Characteristic Specification
Disk capacity 30 GB
Average seek 35 msec
Rotational speed
■ 2100 RPM +/- 0.5% WORM
■ 1950 RPM +/- 0.5% Rewritable
Data transfer rate (software and system
dependent)
■ Reads (max. sustained):
— WORM, 7.96 MB/sec
—Rewritable, 7.99 MB/sec
■ Writes (max. sustained):
— WORM, 3.98 MB/sec
—Rewritable, 3.99 MB/sec
■ Burst (synchronous): 40 MG/sec
■ Burst (asynchronous, data in):
6.7 MB/sec
■ Burst (asynchronous, data out):
40 MB/sec
Disk load time 5 sec typical/
Disk unload time 3 sec typical
Read/write compatibility Read/write UDO 1st generation format
only
Interface type SCSI LVD (68 pin)
MSBF 750,000 load/unload cycles
Read/write error rate (uncorrectable) < 1 per 10
20
bytes read
Seek error rates ■ Recoverable: < 1 per 100,000
seeks
■ Hard error seeks: <1 per 10,000
seeks