[rescue] Sun Kit Needed for EE Student Here

Sridhar Ayengar ploopster at gmail.com
Fri May 5 11:49:39 CDT 2006


Charles Shannon Hendrix wrote:
> Fri, 05 May 2006 @ 00:16 -0700, Devin L. Ganger said:
> 
>> At Thursday, May 04, 2006 7:47 PM, Charles Shannon Hendrix wrote:
>>
>>> Linux RAID and LVM work very well, and filesystems like XFS and JFS
>>> are nice to have, and ext3 with journaling and btrees is very nice as
>>> well.
>> Whereas every time I've tired to get Linux RAID to work, I've ended up
>> with dead filesystems every time. Every distro I've tried, every
>> architecture I've run on, every kernel variant. I finally gave up. I can
>> live with software RAID under Solaris and even Windows, but IME Linux
>> RAID kills filesystems dead.
> 
> That's pretty odd.
> 
> Linux RAID is *trivial* to set up, and has a good reputation.  I've used
> it for years now without issue.
> 
> I also had good luck with NetBSD raidframe for about a year.
> 
>> I'm also none too enamored with ext3fs. 
> 
> Why not?
> 
> It's a very reliable filesystem with full data journaling and btree indexing,
> and an excellent recovery program as well.
> 
> You can also scale the journal features, turning on what you want, which is
> nice.
> 
> IBM's JFS is also a fully journaled filesystem with a focus on data integrity,
> and still fast enough for many uses.
> 
>> XFS, on the other hand, rocks on toast.
> 
> It is if you understand its design goals and limitations.
> 
> XFS is a metadata journaling system, it does not journal data. It is optimized
> for large rather than small files, though it does have btree indexes. It takes
> risks with aggressive write caching to gain speed.
> 
> I've used it for years without losing a filesystem, but I did lose data
> on a few occasions.

I really wish NetBSD LFS was ready for prime-time.

Peace...  Sridhar



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