Question about Cyrus, ext3, and Linux kernel 2.4.18 bug

Henrique de Moraes Holschuh hmh at
Wed Apr 16 07:18:46 EDT 2003

On Tue, 15 Apr 2003, Michael Fair wrote:
> I think it's worth noting that XFS under no configuration
> journals your data.  Only your metadata.  Under certain procedures

But it obeys fsync, and Cyrus does judicious use of that to keep your data

> but the data not being journaled but I have decided that until
> XFS has data journal, that it is not a viable journaling filesystem
> to protect against corruption.  It is however, a very fast file

Data journals are protection against badly written programs. Most people use
them to try to get a bit more performance in certain configurations, not as
a dataloss protection.
  "One disk to rule them all, One disk to find them. One disk to bring
  them all and in the darkness grind them. In the Land of Redmond
  where the shadows lie." -- The Silicon Valley Tarot
  Henrique Holschuh

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