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4 Commits
Author SHA1 Message Date
Ping QiuandClaude Opus 4.6 0e234f5c80 feat: Phase 10 CP10-1 -- NVMe/TCP target MVP, 109 tests 
NVMe over Fabrics (TCP) target implementation sharing the same BlockVol
engine, fencing, replication, and failover as the existing iSCSI target.

New package: weed/storage/blockvol/nvme/ (11 files, 2,242 production LOC)
- protocol.go: PDU types, opcodes, status codes, marshal/unmarshal
- wire.go: TCP reader/writer with header bounds validation
- controller.go: IC handshake, per-queue state, command dispatch, KATO
- fabric.go: Connect (admin+IO), PropertyGet/Set, Disconnect
- identify.go: Controller/Namespace/NS list/NS descriptors (Linux 5.15)
- admin.go: SetFeatures, GetFeatures, GetLogPage (SMART/ANA), KeepAlive
- io.go: Read (C2HData), Write (inline), Flush, WriteZeros/Trim
- server.go: TCP listener, admin session registry, graceful shutdown
- adapter.go: BlockVol-to-NVMe bridge, error mapping, ANA state

Integration: NVMeConfig + CLI flags (-block.nvme.*), disabled by default.

Key design: inline-data writes only (no R2T), MaxH2CDataLength=32KB,
single ANA group coherent with BlockVol role, CNTLID session registry
for cross-connection IO queues, HostNQN continuity enforcement.

Tests: 65 dev + 44 QA adversarial = 109 total, all passing.
Bugs fixed during review: IO queue cross-connection (A), header bounds
validation (B), write payload size check (C), disconnect error (D),
stream desync prevention (E), HostNQN enforcement (F), capsule-before-IC
state guard (H), flowCtlOff SQHD timing (I).

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
 2026-03-08 16:52:37 -07:00
Ping QiuandClaude Opus 4.6 9acd187587 feat: Phase 8 complete -- CP8-5 stability gate, lease grant fix, Docker e2e, 13 chaos scenarios 
Phase 8 closes with all 6 checkpoints done (CP8-1 through CP8-5 + CP8-3-1):
- CP8-5: 12/12 enterprise QA scenarios PASS on real hardware (m01/M02)
- Master-authoritative lease grants (BUG-CP85-11): master renews primary
  write leases on every heartbeat response, replacing retain-until-confirmed
  assignment queue semantics that caused 30s lease expiry
- Post-rebuild WAL shipping gap fix (BUG-CP85-1): syncLSNAfterRebuild
  advances replica nextLSN so WAL entries are accepted after rebuild
- Block heartbeat startup race fix (BUG-CP85-10): dynamic blockService
  check on each tick instead of one-shot at loop start
- 8 new tests: 4 engine lease grant + 4 registry lease grant
- 13 new YAML scenarios: chaos (kill-loop, partition, disk-full),
  database integrity (sqlite crash, ext4 fsck), perf baseline,
  metrics verify, snapshot stress, expand-failover, session storm,
  role flap, 24h soak
- 12 new testrunner actions (database, fsck, grep_log, write_loop_bg,
  stop_bg, assert_metric_gt/eq/lt) + phase repeat support
- Docker compose setup + getting-started guide for block storage users
- 960+ cumulative unit tests, 24 YAML scenarios

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
 2026-03-07 21:30:14 -08:00
Ping QiuandClaude Opus 4.6 7c07d9c95a feat: Phase 4A CP4b-3 -- assignment processing, 2 bug fixes, 20 QA tests 
Add ProcessBlockVolumeAssignments to BlockVolumeStore and wire
AssignmentSource/AssignmentCallback into the heartbeat collector's
Run() loop. Assignments are fetched and applied each tick after
status collection.

Bug fixes:
- BUG-CP4B3-1: TOCTOU between GetBlockVolume and HandleAssignment.
  Added withVolume() helper that holds RLock across lookup+operation,
  preventing RemoveBlockVolume from closing the volume mid-assignment.
- BUG-CP4B3-2: Data race on callback fields read by Run() goroutine.
  Made StatusCallback/AssignmentSource/AssignmentCallback private,
  added cbMu mutex and SetXxx() setter methods. Lock held only for
  load/store, not during callback execution.

7 dev tests + 13 QA adversarial tests = 20 new tests.
972 total unit tests, all passing.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
 2026-03-02 11:34:06 -08:00
Ping QiuandClaude Opus 4.6 a089bf6828 feat: Phase 4A CP4b-2 -- heartbeat collector, 3 bug fixes, 9 QA tests 
BlockVolumeHeartbeatCollector periodically collects block volume status
via callback (standalone, no gRPC wiring yet). Store() accessor on
BlockService. Three bugs found by QA and fixed: Stop-before-Run deadlock
(BUG-CP4B2-1), zero interval panic (BUG-CP4B2-2), callback panic crashes
goroutine (BUG-CP4B2-3). 12 new tests (3 dev + 9 QA adversarial).

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
 2026-03-02 10:20:27 -08:00