Re: Announcing Journaled File System (JFS) release 1.0.0 available

Martin Knoblauch
2001-06-29T13:01:41Z

Hi,

first of all congratulations for finishing the initial first release.
Some questions, just out of curiosity:

>* Fast recovery after a system crash or power outage
>
>* Journaling for file system integrity
>
>* Journaling of meta-data only
>

does this mean JSF/Linux always journals only the meta-data, or is that
an option?
Does it perform full data-journaling under AIX?

>* Extent-based allocation
>
>* Excellent overall performance
>
>* 64 bit file system
>
>* Built to scale. In memory and on-disk data structures are designed to
> scale beyond practical limit

Is this scaling only for size, or also for performance (many disks on
many controllers) like XFS (at least on SGI iron)?

Thanks
Martin
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