lkml.org 
[lkml]   [1997]   [Sep]   [28]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
SubjectRe: safe file systems
From

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 ...

Linux-USB! http://peloncho.fis.ucm.es/~inaky/USB.html -
-
Inaky Perez Gonzalez -- PGP pubkey fingerprint -
inaky@peloncho.fis.ucm.es -- 8E 34 3A 62 64 99 E2 44 -
http://peloncho.fis.ucm.es/~inaky -- AD 7B 30 D9 DD FF 3E 4C -
--------------------------------- -- ----------------------- -
The loneliness of the long distance runner .....

\
 
 \ /
  Last update: 2005-03-22 13:40    [W:0.049 / U:2.216 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site