Unable to mount hammer file system Undo failed

Francis GUDIN fgudin+dfly at bsdbellule.fr
Thu Jul 19 06:01:39 PDT 2012

Wojciech Puchar writes:

>> My main problem had been with ffs_fsck. At one point my machine was
>> randomly crashing due to a bad power supply. Everytime I started up, did
>> an hour of work, then crash, then 30-40 minutes for fsck to run, and an
> you may postpone fsck when using softupdates. It is clearly stated in 
> softupdate documents you may find (McKusick was one of the authors).
> that's what i do.

Then, you suffer a performance hit when fsck'ing in bg. No such thing with 
hammer, fwiw.

> as someone proposed doing tests with writing random disk blocks, i would 
> rather write make a program that would flip random memory bit every few 
> minutes.

If you're assuming that even the computer itself ain't reliable, how the 
hell could any FS be trustworthy then ??? IMHO, that's nonsense.


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