Re: How to tell if e2fsck left the file system in a usable state?

[Richard A. Smith]

The following blurb I got off of lwn.net today and it seemed
applicable to questions posted here.  This is about the latest
release of ext3.

        Another change in 0.9.5 is the ability to use an external
journal. External       journals live on        a separate device
(perhaps a non-volatile RAM device), and, in    theory, can
speed up the     operation of the filesystem. Writes to an
external        journal should be very quick, and journal
        operations will not contend with writes         to the rest
of the disk. The initial performance    results with external
journals        appear to be mixed, however.


So if you have a NV-RAM device for the journal and a RAID system then
you should be able to get pretty damn close to 100% data
reliablility.

--
Richard A. Smith                         Bitworks, Inc.               
[EMAIL PROTECTED]               501.846.5777                        
Sr. Design Engineer        http://www.bitworks.com   



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