Date: Sat, 12 Jan 2013 12:22:51 -0600 From: Adam Vande More <amvandemore@gmail.com> To: Warren Block <wblock@wonkity.com> Cc: freebsd-hackers@freebsd.org, Wojciech Puchar <wojtek@wojtek.tensor.gdynia.pl> Subject: Re: SATA disk disappears Message-ID: <CA%2BtpaK3ut569jFCvrTavk5XVdr0MPDwZ-trw7=M8pDQqo0PG8g@mail.gmail.com> In-Reply-To: <alpine.BSF.2.00.1301121109550.8299@wonkity.com> References: <alpine.BSF.2.00.1301110121060.6708@wojtek.tensor.gdynia.pl> <alpine.BSF.2.00.1301111142250.9937@wojtek.tensor.gdynia.pl> <alpine.BSF.2.00.1301111446050.1098@wonkity.com> <201301120925.55068.c47g@gmx.at> <alpine.BSF.2.00.1301121102100.8299@wonkity.com> <alpine.BSF.2.00.1301121109550.8299@wonkity.com>
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On Sat, Jan 12, 2013 at 12:10 PM, Warren Block <wblock@wonkity.com> wrote: > On Sat, 12 Jan 2013, Warren Block wrote: > > Hmm. The green drives are supposed to go to sleep for power saving, and >> then there's a multiple-second delay when they have to spin back up on >> access. That should not be a problem for gmirror, but maybe it is. >> sysutils/ataidle can turn on the spindown. Some drives do not accept that >> command, or claim to accept it but ignore it. Worth a try, though. >> > > Make that: sysutils/ataidle can turn *off* the spindown. > > Maybe just bumping kern.cam.ada.default_timeout to 45 or something might help while still allowing drive to function as designed. -- Adam Vande More
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