RFC: Article on implementing UFS journaling on desktop PCs

Joshua Isom jrisom at gmail.com
Fri Apr 25 17:42:04 UTC 2008


On Apr 24, 2008, at 12:00 PM, Manolis Kiagias wrote:

> I have just completed an article (mostly how-to) for implementing UFS  
> journaling on a typical desktop PC:
>
> http://store.itsyourftp.com/~sonic2000gr/freebsd/gjournal-desktop/ 
> article.html
>
> It focuses on detailing an easy to follow, repeatable procedure, to  
> install FreeBSD on a typical PC and enable journaling on /usr and  
> possibly /var.
> I am using this same procedure on my systems.
>
> I welcome all feedback, please send me any comments, suggestions and  
> corrections.
>
> Thanks,
> Manolis
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>

"A kernel panic will occur if the journal space is exhausted before it  
has a chance to be committed."

So the intended behavior is for the kernel to give up(instead of keep  
trying and maintain reliability), and risk data loss?  With a compliant  
hard drive that doesn't reorder writes, how is journaling better than  
soft updates?



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