Re: safe file systems

Steven N. Hirsch (shirsch@ibm.net)
Fri, 26 Sep 1997 18:56:25 -0400 (EDT)


On Fri, 26 Sep 1997, Harald Milz wrote:

> Steven N. Hirsch (shirsch@ibm.net) wrote:
> >
> > At work we use JFS on IBM RS/6k boxes and Advfs on Digital Unix. AFAIK,
> > they are highly tolerant of the abuse you describe.
>
> Not necessarily. Open files are truncated to zero length on power loss or
> RESET. Only the meta data is handled in a transaction oriented manner to
> make sure the filesystem is consistent.

Ugh. I never thought that through completely. Only meta data is
guaranteed?

Steve