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mar-file-system / marfs

MarFS provides a scalable near-POSIX file system by using one or more POSIX file systems as a scalable metadata component and one or more data stores (object, file, etc) as a scalable data component.
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sync_ and close_data() failures are masked #197

Closed wfvining closed 5 years ago

wfvining commented 7 years ago

MarFS can ignore close_data failures under certain circumstances. This only occurs if a write never fails but the sync and/or close call on object fail. Failed writes are still caught and the object will be treated as bad. With the latest MC version this situation is extremely unlikely (but has happened for one object in our tests) because write failures short-circuit the write as a whole once the MIN_PROTECTION threshold is exceeded. Previous versions of MC did not short-circuit, so write failures were not reported until close leading to corrupt/invalid data.

jti-lanl commented 6 years ago

I think this refers to bugs that were finally fixed in f838fdfd6d69, and 2033fa090b00.

gransom commented 5 years ago

Going through issues and noticed this one is still open. As mentioned by Jeff, this issue has been addressed.