gustavo halperin([EMAIL PROTECTED]) is reported to have said:
> Hello I have some questions about system performances.
> By now I have the current 'hdparm' settings: -m16 -c3 -u1 -Xudma5
> Then the  'hdparm -Tt /dev/hda' show the next results:
>    /dev/hda:
>    Timing cached reads:   1376 MB in  2.00 seconds = 686.58 MB/sec
>    Timing buffered disk reads:   50 MB in  3.02 seconds =  16.53 MB/sec
> But if the configuration is '-m0 -c0 -u0 ' the result from 'hdparm -Tt' 
> is the same, so there are any way to improve this Timings ??
> Second If I set with 'hdparm' the settings '-S 12' and '-y' always after 
> few minutes the drive state back to 'active/idle', that is OK.
> Last, the configurations of the "performance-settings Linux  VM" 
> (/proc/sys/vm/<files>) and the "system wide limit for file handles" 
> (/proc/sys/fs/file_max) can improve system behave ? How can I know what 
> are the best configurations ??
It seem that you have the hdparm package installed but not the hwtools
package.  If you install it you can set up /etc/init.d/hwtools to
retain the hdparm settings.  Like

    if command -v hdparm >/dev/null 2>&1; then
        hdparm -q -m32 -a266 -A1 -c3 -d1 -u1 -W0 -S242 /dev/hda
        hdparm -q -m16 -a256 -A1  -c3 -d1 -u1 -W0 -S220 /dev/hdb
        hdparm -q -d1   /dev/hdc
        echo " hdparm"

Hope this is what you were looking for.


It is practically impossible to teach good programming style to students that 
have had prior exposure to BASIC: as potential programmers they are mentally 
mutilated beyond hope of regeneration.         -- Dijkstra

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