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How safe is journalling?



Sorry if this message has been posted by someone else before, but I
couldn't find anything similar in the last couple of months of archive.

The question is how safe is journalling, in general? The "ordered" mount
option for ext3 seems pretty safe, but is it possible that if the drive's
power went half way through writing to the journal, could it be left in an
inconsistent state? I mean, is writing to the journal an "atomic" process?

Sorry if this is a stupid question...!

Jeremy

-- 
Jeremy Sanders <jss ast cam ac uk>  http://www-xray.ast.cam.ac.uk/~jss/
Pembroke College, Cambridge. UK   Institute of Astronomy, Cambridge. UK





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