Housekeeping Frames; Dds-3 Recording Format Standard-Further Reference - Seagate STD124000N Product Manual

Chapter 6
DDS-3 Recording Format Standard—Further Reference
Page 60
An Empty Partition 0 consists of:
z
A reference area
z
A system area
z
A data area, comprising a vendor group and at least 35 amble frames
z
An EOD area 450 frames in length at a minimum.
The vendor group preamble, the data area and the EOD area all form a continuum.
No unrecorded space, physical discontinuity, seam, absolute frame number
discontinuity or absolute frame number repetition is permitted.

Housekeeping Frames

Housekeeping frames do not include user data. There are three types of
housekeeping frames: amble frames, system log frames and tape management
frames.
Specific rules govern where and how these frames are recorded. Please refer to the
DDS-3 standard for these rules.
For more information about the DDS-3 Recording Format Standard, refer to ECMA-
236, 3.81mm Wide Magnetic Tape Cartridge for Information Interchange - Helical
Scan - DDS-3 Format using 125m Length Tapes .
A copy of the standard can be obtained by contacting ECMA at:
Phone: 41-21-849-60-00
FAX: 41-22-849-60-01
URL: http://www.ecma.ch
Internet: helpdesk@ecma.ch
Tape Formats
DAT Drives