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[Python-Dev] Ext4 data loss

[Python-Dev] Ext4 data loss [Python-Dev] Ext4 data lossJan Claeys lists at janc.be
Sat Mar 14 05:08:48 CET 2009
Op vrijdag 13-03-2009 om 12:28 uur [tijdzone +0300], schreef Oleg
Broytmann:
>    Ext4 is not the only FS with delayed allocation.

Of course not, even ext3 has delayed allocation (even if 5 sec vs. 2 min
makes the disaster window a bit smaller).

The real problem seems to be that ext4 re-orders the rename (which it
does almost instantly) before the write (which waits for 2-15 minutes or
so).

There are other modern filesystems that take care such reordering
doesn't happen...


-- 
Jan Claeys

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