Hello, I made some tests, but it is strange to me. dparm -Y /dev/sdb /dev/sdb: issuing sleep command then hdparm -C /dev/sdb /dev/sdb: drive state is: active/idle but sometimes: hdparm -C /dev/sdb /dev/sdb: drive state is: standby It seems that the drive does not stay standby hdparm -B /dev/sdb /dev/sdb: APM_level = 254 smartctl -P show --nocheck=standby /dev/sdb smartctl 6.6 2017-11-05 r4594 [x86_64-linux-4.18.12-200.fc28.x86_64] (local build) Copyright (C) 2002-17, Bruce Allen, Christian Franke, www.smartmontools.org Drive found in smartmontools Database. Drive identity strings: MODEL: HGST HTS721010A9E630 FIRMWARE: JB0OA3J0 match smartmontools Drive Database entry: MODEL REGEXP: HGST HT[ES]7210(10|75)A9E63[01] FIRMWARE REGEXP: .* MODEL FAMILY: HGST Travelstar 7K1000 ATTRIBUTE OPTIONS: None preset; no -v options are required. =========================================================================== Patrick DUPRÉ | | email: pdupre@xxxxxxx Laboratoire de Physico-Chimie de l'Atmosphère | | Université du Littoral-Côte d'Opale | | Tel. (33)-(0)3 28 23 76 12 | | Fax: 03 28 65 82 44 189A, avenue Maurice Schumann | | 59140 Dunkerque, France =========================================================================== > Sent: Monday, October 08, 2018 at 7:05 PM > From: "Wolfgang Pfeiffer" <roto@xxxxxxx> > To: "Community support for Fedora users" <users@xxxxxxxxxxxxxxxxxxxxxxx> > Subject: Re: Hard drive to sleep > > On Mon, Oct 08, 2018 at 06:45:38PM +0200, Wolfgang Pfeiffer wrote: > >On Sun, Oct 07, 2018 at 08:16:56PM +0200, Patrick Dupre wrote: > > >> > >>I would like to make the hard drive sleeping. > >>I can use > >>hdparm -y /dev/sdx > > > >seems to work here .. > > Except "-y" will not mean "sleeping" mode (i.e. complete shutdown, > which can be done with the "-Y" switch) but standby mode, which simply > seems to just spin down the disk. > > > Wolfgang > _______________________________________________ > users mailing list -- users@xxxxxxxxxxxxxxxxxxxxxxx > To unsubscribe send an email to users-leave@xxxxxxxxxxxxxxxxxxxxxxx > Fedora Code of Conduct: https://getfedora.org/code-of-conduct.html > List Guidelines: https://fedoraproject.org/wiki/Mailing_list_guidelines > List Archives: https://lists.fedoraproject.org/archives/list/users@xxxxxxxxxxxxxxxxxxxxxxx > _______________________________________________ users mailing list -- users@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe send an email to users-leave@xxxxxxxxxxxxxxxxxxxxxxx Fedora Code of Conduct: https://getfedora.org/code-of-conduct.html List Guidelines: https://fedoraproject.org/wiki/Mailing_list_guidelines List Archives: https://lists.fedoraproject.org/archives/list/users@xxxxxxxxxxxxxxxxxxxxxxx