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Re: Which file-system is good for power down?
>>> But our power is down every 1~2 week.
>> Ouch. A UPS will help, but even with a UPS you can get a hang/crash
>> that corrupts data. So a UPS is for riding through short outages,
>> it is NOT a guarantee that the machine never goes down hard.
> The point of using a UPS is that you also use UPS monitoring software
> that properly shuts down your system before it goes down hard. The
> only reason that your system would go down hard is if you fail to do
> this or the UPS malfunctions.
UPSs *do* malfunction. (Guess how I know this?)
And there are other reasons besides power that machines go down hard.
Sometimes they just hang. (Guess how I know this?)
>> What you want is:
>> soft updates
>> disk's write cache turned off
>> background fsck
> What you want is to solve the problem with the power.
Systems can and do go down hard even with perfect power.
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