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Ping QiuandClaude Opus 4.6
531ee764ee
CHAP authentication (RFC 7143 S12.1): - auth.go: CHAPAuthenticator with MD5 challenge-response, ValidateCHAPConfig - login.go: multi-PDU SecurityNeg flow (challenge → verify → transit) - main.go: -chap-user/-chap-secret CLI flags with validation Online volume expand: - blockvol.go: Expand() with flusher pause, snapMu TOCTOU guard, alignment check - Rejects shrink (ErrShrinkNotSupported) and resize with active snapshots Prometheus metrics: - metrics.go: metricsAdapter wrapping BlockDevice, 15 metrics (counters, histograms, gauge funcs for WAL/dirty-map/epoch/role/snapshots) - Dedicated prometheus.NewRegistry() per server instance Admin HTTP endpoints: - POST /snapshot (create/delete/restore/list) - POST /resize (online expand) - GET /metrics (Prometheus text format) - VolumeSize added to /status response Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
1.4 KiB
1.4 KiB
Phase 5 Progress
Status
- CP5-1 ALUA + multipath complete. CP5-2 CoW snapshots complete. CP5-3 complete.
Completed
- CP5-1: ALUA implicit support, REPORT TARGET PORT GROUPS, VPD 0x83 descriptors, write fencing on standby.
- CP5-1: Multipath config + setup script, 4 multipath integration tests.
- CP5-1: Reviewer fixes (RoleNone write regression, T_SUP flag, TPG ID validation, ASCII log).
- CP5-1: 10 ALUA unit tests + 16 adversarial tests (all PASS).
- CP5-2: CoW snapshots implemented with flusher-based CoW, delta files, and recovery.
- CP5-2: Review fixes applied (PauseAndFlush safety, snapMu race fix, beginOp/endOp, lock order doc, error propagation).
- CP5-2: 10 unit tests + 22 adversarial tests (all PASS).
- CP5-3: CHAP auth, online resize, Prometheus metrics, admin endpoints.
- CP5-3: Review fixes applied (empty secret validation, AuthMethod echo, docs).
- CP5-3: 12 dev tests + 28 QA adversarial tests (all PASS).
In Progress
- CP5-4: Failure injection + Layer-5 validation (not started).
Blockers
- None.
Next Steps
- Decide CP5-2 scope (CSI driver vs CHAP/metrics/admin CLI).
Notes
- SCSI test count: 53 (12 ALUA). Integration multipath tests require multipath-tools + sg3_utils.
- Known flaky: rebuild_full_extent_midcopy_writes under full-suite CPU contention (pre-existing).
- Known flaky: rebuild_catchup_concurrent_writes (WAL_RECYCLED timing, pre-existing).