Re: Disappearing USB drives

From	jeffj@panix.com (Jeff Jonas)
Newsgroups	comp.os.linux.hardware
Subject	Re: Disappearing USB drives
Date	2020-06-28 02:37 +0000
Organization	ferretronix.com
Message-ID	<rd8vpa$71p$1@reader1.panix.com> (permalink)
References	<hii2cpF8d6aU1@mid.individual.net>

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> I'm trying to find the solution to USB drives 'disappearing'
> while being accessed.
> The drives affected are THREE different external USB drives,
> two Western Digital 8TB drives
> and a smaller Seagate 2TB drive

If the problem is happening while writing,
check the log with 'dmesg' for USB or drive errors.
That's the best clue for what's triggering the cascade of problems.

If the drive goes offline after being idle for 1/2 hour,
the drive is going into "power save mode",
something Linux knows nothing about.
My workaround was to put the drive on a Windows system
and using the mfgr's utility to set power-save to "never"
so the drive stays spinning.

-- jeffj
--

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Disappearing USB drives Brian <usenetposting@patandbrian.org> - 2020-05-19 08:39 -0400
  Re: Disappearing USB drives Joe Beanfish <joebeanfish@nospam.duh> - 2020-05-19 14:13 +0000
    Re: Disappearing USB drives Henrik Carlqvist <Henrik.Carlqvist@deadspam.com> - 2020-05-19 17:45 +0000
    Re: Disappearing USB drives mjb@signal11.invalid (Mike) - 2020-05-20 09:33 +0100
  Re: Disappearing USB drives jeffj@panix.com (Jeff Jonas) - 2020-06-28 02:37 +0000
    Re: Disappearing USB drives "Carlos E.R." <robin_listas@es.invalid> - 2020-06-28 13:45 +0200

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