Journaling File Systems and RAID (was RE: [ale] ext3)

[Davis, Ricardo C.]

Hey Stuffy,   :)

I have storage question.  Why run a journaling file system with RAID 5?
Isn't this overkill?  What do you gain that you wouldn't with just a RAID 5
configuration?


-Ricardo

-----Original Message-----
From: Stuffed Crust [mailto:pizza at shaftnet.org]
To: ale at ale.org
Sent: Wednesday, September 19, 2001 6:38 AM
To: Chris Ricker
Subject: Re: [ale] ext3


<<snip!>>

I have point you to a bank of machines I'm keeping tabs on -- they have
a 5x73G hardware RAID5, and no write caching at all.  writes are much
slower than ext2... but a 15 second recovery (vs several hours for ext2)
is worth the tradeoff, given that we read far more often tan we write.
(Oh, these machines tend to be fairly loaded)

 - Pizza
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