Re: journaling filesystem

Miguel de Icaza (miguel@nuclecu.unam.mx)
15 May 1998 14:00:53 -0500


> With the advent of smarter storage controllers and RAID controllers, the
> ability to force a particular ordering on disk writes is not always available.
> I think depending on write ordering for a journalling file system is a poor
> strategy. Database engines are able to function with complete reliability on
> raw devices without this, so a well-designed transactional file system should
> also be able to.

A simple set of changes to the kernel can be used to guarantee the
ordering of writes without any of those hacks. It has been done.

Miguel

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