From: Pete <pete@petezilla.co.uk>
To: linux-btrfs@vger.kernel.org
Subject: Re: Snapshots slowing system
Date: Fri, 18 Mar 2016 17:58:15 +0000 [thread overview]
Message-ID: <56EC41B7.4090706@petezilla.co.uk> (raw)
In-Reply-To: <56EBE8B5.4090705@gmail.com>
On 03/18/2016 11:38 AM, Austin S. Hemmelgarn wrote:
> This one is tricky, as it's not very clearly defined in the SMART spec.
> Most manufacturers just count the total time the head has been loaded.
> There are some however who count the time the heads have been loaded,
> multiplied by the number of heads. This value still appears to be
> incorrect though, as combined with the Power_On_Hours, it implies well
> over 1024 heads, which is physically impossible on even a 5.25 inch disk
> using modern technology, even using multiple spindles. The fact that
> this is so blatantly wrong should be a red flag regarding the disk
> firmware or on-board electronics, which just reinforces what Duncan
> already said about getting a new disk.
Have got a larger SSD on the way as it looked tight. So annoylingly
wallet has to come out again.
next prev parent reply other threads:[~2016-03-18 17:58 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-03-14 23:03 Snapshots slowing system pete
2016-03-15 15:52 ` Duncan
2016-03-15 22:29 ` Peter Chant
2016-03-16 11:39 ` Austin S. Hemmelgarn
2016-03-17 21:08 ` Pete
2016-03-18 9:17 ` Duncan
2016-03-18 11:38 ` Austin S. Hemmelgarn
2016-03-18 17:58 ` Pete [this message]
2016-03-18 23:58 ` Duncan
2016-03-18 18:16 ` Pete
2016-03-18 18:54 ` Austin S. Hemmelgarn
2016-03-19 0:59 ` Duncan
2016-03-19 1:15 ` Duncan
-- strict thread matches above, loose matches on Subject: below --
2016-03-12 13:01 pete
2016-03-13 3:28 ` Duncan
2016-03-11 20:03 Pete
2016-03-11 23:38 ` boris
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