Write T10 PI (16) Command
238 T10000: Interface Reference Manual August 2016
Notes:
• Setting GRDC to 0 allows the customer write data to reside in the interface buffer
with no protection! This operation is highly discouraged. The only valid setting of
0 is for diagnostic testing of Read T10PI error checking operations.
• If the device server detects a BLOCK APPLICATION TAG field set to FFFFh, then
the device server disables checking of all other protection information for the
associated protection information interval (single logical user data block) when
reading from the medium.
• Setting of the Fixed bit is only allowed if the fixed block length is not zero. In
fixed block mode, the record size is specified by the block length. The Mode Sense
command reports the fixed block length.
• The physical T10PI record integrity can be verified with the Verify(6) and
Verify(16) commands.
• See the Write Command description for additional notes.
REFTC: Reference Tag Check
1 = Check the Reference Tag field of the PI.
0 = Do not check the Reference Tag field of the PI.
FIXED Indicates the block mode for data transfer:
= 0 Variable block mode. Transfer Length is the number of
bytes requested.
= 1 Fixed block mode. Transfer Length is the number of blocks
requested.
EXPECTED INITIAL
REFERENCE TAG:
= The first logical block reference tag.
Subsequent reference tag fields will be plus one.
EXPECTED APPLICATION TAG: = Each logical block application tag field is set by the
application client.
APPLICATION TAG MASK: = This field contains a value that is a bit mask for enabling the
checking of the logical block application tag field.
TRANSFER LENGTH Number of blocks or bytes requested.
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