Re: [POT] Which journalised filesystem ?

Miquel van Smoorenburg
2001-10-06T09:15:53Z

In article <1002357150.3083.20.camel@volk.internalnet>,
Tonu Samuel <tonu@please.do.not.remove.this.spam.ee> wrote:
>On Sat, 2001-10-06 at 01:41, Miquel van Smoorenburg wrote:
>> >Does that mean we can or we can't? Is there a flush write cache operation in
>> >ATA? I asume there is one in SCSI?
>>
>> Well hdparm has a -W option with which you can turn on/off the
>> write cache. If that works (and it appears it does) you should be
>> able to turn write cache off, write *one* block so that the
>> cache gets flushed and turn it back on. I'm not sure how to
>> test this, though.
>
>Doesn't hdparm -W0f do the work?

No, -f flushes the kernels buffer cache, not the IDE disk write cache.

Mike.
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