On 2019/8/15 上午2:32, Tim Walberg wrote: > Most of the recommendations I've found online deal with when "wanted" is > greater than "found", which, if I understand correctly means that one or > more transactions were interrupted/lost before fully committed.
No matter what the case is, a proper transaction shouldn't have any tree block overwritten. That means, either the FLUSH/FUA of the hardware/lower block layer is screwed up, or the COW of tree block is already screwed up. > > Are the recommendations for recovery the same if the system is reporting a > "wanted" that is less than "found"? > The salvage is no difference than any transid mismatch, no matter if it's larger or smaller. It depends on the tree block. Please provide full dmesg output and btrfs check for further advice. Thanks, Qu
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