On 26.08.2013 14:49, Adrian Sevcenco wrote: > 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.. > O sa fac cum zici si chiar o sa verific consumul. Am pus o priza cu contor la toata nisa tehnica si acum am cam 120 W din care serverul e cam la 80-90 W . In total ma cam duce 120kWh pe luna .
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