UNEXPECTED SOFTUPDATES INCONSISTENCY

Heinrich Rebehn rebehn at ant.uni-bremen.de
Sun Feb 22 02:24:13 PST 2004


Lowell Gilbert wrote:
> Heinrich Rebehn <rebehn at ant.uni-bremen.de> writes:
> 
> 
>>I have had the above error 2 times now during fsck after an unclean
>>shutdown. fsck -y yielded tons of entries in lost+found.
>>man (7) tuning says that softupdates guarantees filesystem consistency
>>in case of crash, but thousands of lost files tell a different story.
>>Did i miss anything? Or should i disable softupdates for important data?
> 
> 
> Make sure you've disabled write caching on the drive firmware
> itself... 

Does this also apply for RAID disks (twe)? Also, there is no word about 
this in man tuning(7). Is this more of a guess or is softupdates 
definately dangerous with wite cache enabled? I have also used 
softupdates with 4.9 and did not get these errors.
> 
> 
>>The system is running FreeBSD 5.2.1-RC2
> 
> 
> I hope you have read the Early Adopter's Guide:
> http://www.freebsd.org/releases/5.2R/early-adopter.html

Yes i have and after asking others on this list, got the impression that 
5.2 is usable for the most common hardware and applications. But now i 
am seriously considering going back to 4.9

Thanks very much for your reply :-)

	Heinrich


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