From: Iustin Pop <iusty@k1024.org>
To: Roman Mamedov <rm@romanrm.ru>
Cc: stan@hardwarefreak.com, matt <listy@fastmail.fm>,
linux-raid@vger.kernel.org
Subject: Re: OT: silent data corruption reading from hard drives
Date: Thu, 2 Aug 2012 14:26:56 +0200 [thread overview]
Message-ID: <20120802122656.GA25242@teal.hq.k1024.org> (raw)
In-Reply-To: <20120802140634.6f729d07@natsu>
On Thu, Aug 02, 2012 at 02:06:34PM +0600, Roman Mamedov wrote:
> I do not recommend using hardware RAID. It locks you into one card/vendor,
> usually is much less flexible than mdadm, and often even provides lower
> performance. See http://linux.yyz.us/why-software-raid.html
While that *can* be the case, I haven't ever seen md beating a HW RAID
adapter with battery-backed write-cache in certain metadata-intensive
workloads, so as usual it depends on what kind of HW raid you have, and
what performance you measure. Broad descriptions are not very helpful.
regards,
iustin
next prev parent reply other threads:[~2012-08-02 12:26 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-08-01 12:02 OT: silent data corruption reading from hard drives matt
2012-08-01 13:03 ` Roman Mamedov
2012-08-02 0:56 ` Stan Hoeppner
2012-08-02 1:07 ` Roberto Spadim
2012-08-02 1:14 ` Roberto Spadim
2012-08-02 1:27 ` Adam Goryachev
2012-08-02 1:35 ` Roberto Spadim
2012-08-02 3:23 ` Stan Hoeppner
2012-08-02 13:02 ` Drew
2012-08-02 3:19 ` Roman Mamedov
2012-08-02 7:51 ` Stan Hoeppner
2012-08-02 8:06 ` Roman Mamedov
2012-08-02 9:29 ` Stan Hoeppner
2012-08-02 12:26 ` Iustin Pop [this message]
2012-08-02 16:59 ` listy
2012-08-02 17:04 ` Roberto Spadim
2012-08-02 17:13 ` Jeff Johnson
2012-08-02 17:19 ` Roman Mamedov
2012-08-02 17:25 ` Roberto Spadim
2012-08-02 17:22 ` Roberto Spadim
[not found] ` <501AB9D8.1030404@turmel.org>
2012-08-02 18:32 ` listy
2012-08-03 13:36 ` Phil Turmel
2012-08-15 21:55 ` Peter Grandi
2012-08-16 7:30 ` Oliver Schinagl
[not found] ` <CABYL=TqU6qvDK-CuFak42iVNj0v4OcvALXOnr=6XLM4HyXfGkw@mail.gmail.com>
2012-08-16 14:33 ` Roberto Spadim
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