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Ext3 and write caching by drives are the data killers...Ext3 and write caching by drives are the data killers...Posted Sep 1, 2009 18:44 UTC (Tue) by Cato (subscriber, #7643)In reply to: Ext3 and write caching by drives are the data killers... by dlang Parent article: Ext3 and RAID: silent data killers?
I still can't find that email, but this outlines that journal checksumming was added to JBD2 to support ext4: http://ext4.wiki.kernel.org/index.php/Frequently_Asked_Qu...
This Usenix paper mentions that JBD2 will ultimately be usable by other filesystems, so perhaps that's how ext3 does (or will) support this: http://www.usenix.org/publications/login/2007-06/openpdfs... - however, I don't think ext3 has journal checksums in (say) 2.6.24 kernels.
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