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From: Roman Mamedov <rm@romanrm.ru>
To: Gavin Flower <gavinflower@yahoo.com>
Cc: "Phil Turmel" <philip@turmel.org>,
	"Mathias Burén" <mathias.buren@gmail.com>,
	neilb@suse.de, linux-raid@vger.kernel.org
Subject: Re: RAID6 data-check took almost 2 hours, clicking sounds, system unresponsive
Date: Fri, 29 Apr 2011 02:11:18 +0600	[thread overview]
Message-ID: <20110429021118.0f247326@natsu> (raw)
In-Reply-To: <327628.84887.qm@web65101.mail.ac2.yahoo.com>

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On Thu, 28 Apr 2011 13:03:39 -0700 (PDT)
Gavin Flower <gavinflower@yahoo.com> wrote:

> A couple of days ago, my friend Mario brought over his oscilloscope and a
> volt meter.  The 5 volt rail was showing about 4.7 volts, typically it
> should be 5.2 - 5.4 (from memory of what he said), and the voltage looked
> shaky on the oscilloscope.  The old power supply rated at 400 Watts.  

4.7V is fine, those voltages have a tolerance of +/-10%. And if you have a
deviation there, it is actually better for it to be to the lower side, than
equivalent to the higher. Reason: no heat increase.

-- 
With respect,
Roman

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  reply	other threads:[~2011-04-28 20:11 UTC|newest]

Thread overview: 28+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-04-13 22:24 RAID6 data-check took almost 2 hours, clicking sounds, system unresponsive Gavin Flower
2011-04-13 22:28 ` Mathias Burén
2011-04-14  0:15   ` Gavin Flower
2011-04-14  4:08     ` Roman Mamedov
2011-04-14 13:16     ` Phil Turmel
2011-04-14 21:12       ` Gavin Flower
2011-04-14 22:23         ` Phil Turmel
2011-04-28 20:03           ` Gavin Flower
2011-04-28 20:11             ` Roman Mamedov [this message]
2011-04-28 22:11               ` Phil Turmel
2011-04-28 22:40                 ` Phil Turmel
2011-04-13 23:09 ` NeilBrown
  -- strict thread matches above, loose matches on Subject: below --
2011-04-14 21:14 Gavin Flower
2011-04-14 21:19 ` Mathias Burén
2011-04-14 23:15   ` John Robinson
2011-04-08  2:01 Gavin Flower
2011-04-08  1:34 Gavin Flower
2011-04-08  1:32 Gavin Flower
2011-04-08  9:34 ` NeilBrown
2011-04-08  9:59   ` Gavin Flower
2011-04-08 11:50     ` NeilBrown
2011-04-11  6:50       ` Gavin Flower
2011-04-12 21:30       ` Gavin Flower
2011-04-13 10:57         ` John Robinson
2011-04-13 11:13           ` NeilBrown
2011-04-13 11:58             ` John Robinson
2011-04-13 20:30               ` Gavin Flower
2011-04-07 21:58 Gavin Flower

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