On 08/26/2013 12:12 PM, Paul Lacatus wrote:
Cu atitea discuri in raid ( 6buc 1TB ) consuma mult si cam doare acum
factura la energie. Ma gandeam sa-l pun in stand-by si sa fac WoL si sa
las pe el numai partea de NAS . In rest vreau sa distribui functiile asa :
poti sa te joci si sa faci niste scripturi cu hdparm
-B Get/set Advanced Power Management feature (il treci cind la
performanta maxima cind la minim de putere)
-M Get/set Automatic Acoustic Management (AAM) setting - idem
-C Check the current IDE power mode status
-S, -y, -Y, -Z
-S Put the drive into idle (low-power) mode, and also set the
standby (spindown) timeout for the drive.
-s Enable/disable the power-on in standby feature, if supported by
the drive. VERY DANGEROUS.
-y Force an IDE drive to immediately enter the low power
consumption standby mode, usually causing it to spin down. The current
power mode status can be checked using the -C option
-Y Force an IDE drive to immediately enter the lowest power
consumption sleep mode, causing it to shut down completely. A hard or
soft reset is required before the drive can be accessed again (the
Linux IDE driver will automatically handle issuing a reset if/when
needed). The current power mode status can be checked using the -C option.
-z Force a kernel re-read of the partition table of the specified
device(s).
pentru descrierea completa uita-te pe man hdparm .. eu as aprecia ca
poti sa reduci consumul unui hdd de la un 7W la 2-3 ..sau cu total
suspend la zero (si pui in cron cind sa fie complet inchise si cind sa
stea in standby) .. alternativ faci si o paginutza de web accesibila
doar local cu un buton de wake-up NAS/hdds..
Adrian
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