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Ping QiuandClaude Opus 4.6
da1b81d1c9
Durability mode implementation (sync_all, sync_quorum, best_effort): - DurabilityMode type with superblock persistence, parse/validate/string - MakeDistributedSync mode-aware barrier enforcement in dist_group_commit - blockerr sentinel package (ErrDurabilityBarrierFailed, ErrDurabilityQuorumLost) - gRPC create path: mode validation, idempotent create consistency, partial cleanup - F1: strict mode rejects partial replica provisioning with cleanup - F3: empty heartbeat does not overwrite persisted strict mode - F4: SCSI error mapping uses errors.Is sentinels (not string matching) - Proto/wire/blockapi/CLI/UI plumbing for durability_mode field - Observability dashboard: cluster health cards + per-volume columns Testrunner platform (YAML-driven integration test framework): - Engine, parser, registry, reporter (JUnit XML + HTML), metrics scraping - 52 registered actions: block, iSCSI, I/O, fault injection, assertions - Baseline regression framework with 7 hard-fail conditions - 15 YAML scenarios (smoke, crash, HA, fault, consistency, snapshot) - 49 unit tests for testrunner internals QA adversarial suite (21 tests, all PASS): - Idempotent create mode/RF mismatch detection - Heartbeat mode downgrade prevention (F3) - sync_all/sync_quorum partial replica enforcement (F1) - Concurrent create race safety - Failover/expand mode preservation - Cleanup resilience when delete fails - Master restart auto-register mode handling - Superblock roundtrip all 3 modes - Validate edge cases (mode×RF matrix) - RequiredReplicas quorum math verification - Sentinel error categorization Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
18 lines
720 B
Go
18 lines
720 B
Go
// Package blockerr defines shared error sentinels for the blockvol subsystem.
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// This package exists to break the import cycle between blockvol and iscsi:
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// blockvol -> (adapter.go) -> iscsi
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// Both blockvol and iscsi can import blockerr without creating a cycle.
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package blockerr
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import "errors"
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var (
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// ErrDurabilityBarrierFailed is returned when sync_all mode detects
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// that one or more replica barriers did not succeed.
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ErrDurabilityBarrierFailed = errors.New("blockvol: sync_all durability barrier failed")
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// ErrDurabilityQuorumLost is returned when sync_quorum mode detects
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// that fewer than quorum nodes are durable.
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ErrDurabilityQuorumLost = errors.New("blockvol: sync_quorum quorum not met")
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)
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