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Type:
Bug
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Resolution: Duplicate
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Priority:
Critical - P2
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None
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Affects Version/s: None
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Component/s: Verify
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Storage Engines - Persistence
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421.11
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SE Persistence backlog
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None
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11
Summary
test/format run with mode=switch and disaggregated storage fails during WT_SESSION.verify on a follower node. Verify reports a mismatch between the PALI page count and the btree walk page count, and finds a discarded page that is still in use.
Failure
[2026/05/05 04:16:57.639] [1777969011:830107][346529:0x7f7ee6c2a6c0], t, file:T00002.wt_stable, WT_SESSION.verify: [WT_VERB_VERIFY][ERROR]: Mismatch in the number of page IDs found from PALI and btree walk: PALI 460 Btree walk 461 [2026/05/05 04:16:57.639] [1777969011:830149][346529:0x7f7ee6c2a6c0], t, file:T00002.wt_stable, WT_SESSION.verify: [WT_VERB_VERIFY][ERROR]: Discarded page is still in use: BTREE[388] 521 [2026/05/05 04:16:57.639] [1777969011:830156][346529:0x7f7ee6c2a6c0], t, file:T00002.wt_stable, WT_SESSION.verify: [WT_VERB_DEFAULT][ERROR]: __verify_page_discard, 1709: Page discard verification found mismatches: Invalid argument [2026/05/05 04:16:57.639] [1777969011:830432][346529:0x7f7ee6c2a6c0], t, layered:T00002, WT_SESSION.verify: [WT_VERB_DEFAULT][ERROR]: __schema_layered_stable_worker_verify, 95: Verify (layered): file:T00002.wt_stable stable table verification failed: Invalid argument [2026/05/05 04:16:57.639] --- [Follower] Picked up checkpoint (metadata=[metadata_lsn=660,...],timestamp=0x416d) --- [2026/05/05 04:16:57.639] --- [Follower] Picked up checkpoint (metadata=[metadata_lsn=731,...],timestamp=0xb296) --- [2026/05/05 04:16:57.639] --- [Follower] Picked up checkpoint (metadata=[metadata_lsn=816,...],timestamp=0x11df3) --- [2026/05/05 04:16:57.639] t: FAILED: table_verify/54: ret == 0 || ret == EBUSY || (g.disagg_storage_config && !g.disagg_leader && ret == ENOENT) [2026/05/05 04:16:57.639] t: run FAILED
- related to
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- Closed
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