HP StorageWorks XP Direct Backup Engine Software - Manual (Page 44)

44 HP Surestore Direct Backup Engine XP: User’s Guide
Extended Copy command
Segment descriptor type Block to Stream (00h): Disk to tape (backup only).
Block to Block (02h): Disk to disk.
Inline Data to Stream (04h): Inline data to tape.
Verify Target (07h)
Target descriptor type WWN target descriptor (E0h)
Tape block size 512-boundary
Maximum number of target descriptors per command 64 (64 LUs are available, but one LU is used for specifying the
target.)
Maximum number of segment descriptors per command 1,024
Maximum length of a segment descriptor 64 kB
Maximum length of inline data 64 kB
Maximum data size for copy per command 64 MB
Maximum number of executable copy commands per subsystem 64