Late Letter Ballot comment on ZBC

Neil Wanamaker Neil.Wanamaker at
Mon Dec 22 16:02:15 PST 2014

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The penultimate paragraph of 5.6.2 states:
The content of the WRITE POINTER LBA field is invalid if:
a) the zone type is conventional (see table 19); or
b) the content of the ZONE CONDITION field (see table 20) indicate that the
WRITE POINTER LBA field is invalid.
But table 20 contains no indication of the validity of the WRITE POINTER LBA,
and it would appear that the write pointer is not valid for conditions D, E,
F.  Please add a column to table 20 to indicate when the write pointer is
Neil Wanamaker
Principal Engineer, Enterprise Storage Division
1380 Bordeaux Dr., Sunnyvale, CA 94089
neil.wanamaker at

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