Sidetracked: why gjournal over soft-updates (Was: Re: UFS2
wojtek at wojtek.tensor.gdynia.pl
Tue Apr 22 08:46:52 UTC 2008
>> than SU
> The caching can be stopped by putting "hw.ata.wc=0" into
> /boot/loader.conf. Doesn't that settle this point about safety?
but that's not needed. UPS is enough. even if your machine will
halt/crash/panic, drive cache will be written then.
> Since we use softupdates and others use gjournal, one suspects that
> there are reasons why "real" journaling systems have not been adopted.
softupdates works very well, and doesn't write the same thing twice, like
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