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Obsoleting the Hybrid Information Feature Set, specifically:
• Hybrid Information Log
• HYBRID DEMOTE BY SIZE
• HYBRID CHANGE BY LBA RANGE
• HYBRID CONTROL
• HYBRID EVICT
• HYBRID INFORMATION field in various media access commands

Published December plenary meeting minutes

End ZAC-3's silence regarding what happens when a ZONE ACTIVATE EXT command processes an OFFLINE zone.

Under "interesting" circumstances, the GET PHYSICAL ELEMENT STATUS command can helpfully guide the host towards an end result that leaves some zoned READ ONLY instead of OFFLINE.

Pickup the ACS-7 COALESCING COPY EXT command definition where g25154 left off.

Informal Liaison Report of public information

SNIA Liaison Report

End ZAC-3's silence regarding what happens when a ZONE ACTIVATE EXT command processes an OFFLINE zone.

Agenda for December meeting

add note to definition of native max

T10 Liaison report to T11 and T13 [month TBD]

IEEE Security in Storage Working Group (SISWG) Liaison Report to T13

It is noted that command duration limits (CDL) policies Dh & Fh have undescribed consequences when used on writes in zoned devices. This proposal adds a note mentioning this.

Describe how best to group physical elements

Obsoleting the Hybrid Information Feature Set, specifically:
• Hybrid Information Log
• HYBRID DEMOTE BY SIZE
• HYBRID CHANGE BY LBA RANGE
• HYBRID CONTROL
• HYBRID EVICT
• HYBRID INFORMATION field in various media access commands

October Plenary Minutes

Under "interesting" circumstances, the GET PHYSICAL ELEMENT STATUS command can helpfully guide the host towards an end result that (in combination with the REMOVE ELEMENT AND MODIFY ZONES command) leaves some zoned READ ONLY instead of OFFLINE.

Agenda for December meeting

Pickup the ACS-7 COALESCING COPY EXT command definition where g25154 left off.

1) Integrated g25141r1 - Removes the remnants of the streaming feature set.
2) Integrated g25135r0 - Fixes a spelling error in the REMOVE ELEMENT AND MODIFY ZONES SUPPORTED bit.
3) Integrated g25134r1 - Removes confusing wording that was part of the obsolete host aware feature set that may contradict the “shall not implement” on SET ACCESSIBLE MAX ADDRESS EXT.
4) Integrated g25140r0 - Exclude inactive zones from going to read only.
5) Integrated g25154r1 - Change WRITE GATHERED EXT to COALESCING COPY EXT.

ZAC-3 Issues List

1) Incorporated g25154r1 - Changes the name of WRITE GATHERED EXT to COALESCING COPY EXT.
2) Incorporated 25139r2 - Adds a COALESCING COPY EXT supported bit.
3) Incorporated 25137r0 - Adds the OCP URL to the acronym.
.... a) Converted all the URLs in the acronym list to hotlinks.
4) Incorporated g25142r2 - Clarifies the CDL Time field usage.
5) Incorporated g25145r2 - Removes the rest of the SET TRANSFER MODE content.
6) Incorporated g25144r3 - Obsoletes the remainder of PATA.
7) Incorporated g25125r5 - Obsoletes the streaming feature set.

February 16-17, 2026

December 2025 Meeting Call

Agenda for December meeting