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Back on 18 August I reported that by using hdparm -Y I had made my HDD inaccessible (as I thought, by spoiling the partition table). Good news is that, _several_ power cycles later, the HDD has recovered by itself, and I have been able to fsck and mount it without problems. I guess I managed to derange its "seeking" mechanism temporarily. I'd still want to warn people to think twice about giving the command hdparm -Y /dev/hd... if the device in question is already in standby state. It seems that _my_ device does not distinguish standby and sleep states; both -y and -Y put it into standby, at any rate as shown by hdparm -C. It also seems to ignore hdparm -S . No doubt there are many HDDs for which some hdparm commands don't work, and the man page cannot be exhaustive on that subject. -- John Palmer Preston near Weymouth, Dorset, England e-mail: johnp@xxxxxxxxxx (plain text preferred) website: http://www.palmyra.uklinux.net/ -- The Mailing List for the Devon & Cornwall LUG Mail majordomo@xxxxxxxxxxxxx with "unsubscribe list" in the message body to unsubscribe. FAQ: www.dcglug.org.uk/linux_adm/list-faq.html