From fa92046a5d22401b518d3604673190ffa34c2728 Mon Sep 17 00:00:00 2001 From: Alex Auvolat Date: Tue, 19 Mar 2024 11:04:20 +0100 Subject: [block-ref-repair] Block refcount recalculation and repair - We always recalculate the reference count of a block before deleting it locally, to make sure that it is indeed zero. - If we had to fetch a remote block but we were not able to get it, check that refcount is indeed > 0. - Repair procedure that checks everything --- src/model/garage.rs | 8 ++++++++ 1 file changed, 8 insertions(+) (limited to 'src/model/garage.rs') diff --git a/src/model/garage.rs b/src/model/garage.rs index 4405d22d..273690db 100644 --- a/src/model/garage.rs +++ b/src/model/garage.rs @@ -247,6 +247,14 @@ impl Garage { #[cfg(feature = "k2v")] let k2v = GarageK2V::new(system.clone(), &db, meta_rep_param); + // ---- setup block refcount recalculation ---- + // this function can be used to fix inconsistencies in the RC table + block_manager.set_recalc_rc(vec![ + block_ref_recount_fn(&block_ref_table), + // other functions could be added here if we had other tables + // that hold references to data blocks + ]); + // -- done -- Ok(Arc::new(Self { config, -- cgit v1.2.3