Re: safe file systems

=?ISO-8859-1?Q?I=F1aky_P=E9rez_Gonz=E1lez?= (inaky@peloncho.fis.ucm.es)
Sun, 28 Sep 1997 15:59:37 +0200

Chris> I think even my cheapish SCSI disks (which have a 1 (maybe 2?)
Chris> MB cache) will do this. I assume here a system reset will not
Chris> affect them, but power-failure did last time I checked. (But
Chris> you can twiddle with the tables on them and modify the way it
Chris> writes data back, etc).

Once I read (dunno where) some drives used to keep an small
battery enough to flush all the writes from the cache to the disk in
case of power down. Even I read on that same messages about others
using the disk's inertia to generate power to do the flushing
... though this looks quite strange to me ...

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