From: maarten <maarten@ultratux.net>
To: linux-raid@vger.kernel.org
Subject: Re: more mdadm questions
Date: Wed, 1 Sep 2004 02:33:40 +0200 [thread overview]
Message-ID: <200409010233.40062.maarten@ultratux.net> (raw)
In-Reply-To: <1093997605.3399.34.camel@rich>
On Wednesday 01 September 2004 02:13, rich turner wrote:
Hi Rich,
Not wanting to be blunt an all... but wouldn't most of these questions be
answered by just running mdadm yourself...?
> when mdadm queries information about the raid devices, does it simply
> get the imformation from /proc/mdstat and format it accordingly?
My guess would be no, since /proc/mdstat gives less info than mdadm does.
> how does mdadm know what devices to query if they are not defined in
> /etc/mdadm/mdamd.conf with DEVICES?
Don't know how, but since 'mdadm --detail --scan' provides the info you can
use to create the mdadm.conf file when missing, mdadm obviously does not rely
on getting its info from that file at all.
> if devices are missing from the raid device, is there a way of knowing
> the name of the missing device without the configuration file?
Yes. Well, it depends on what you call "missing". It will report a failed
etc device, but if the array was created with a 'missing' drive it obviously
cannot know what device will get added before you actually add it.
greetings,
Maarten
--
next prev parent reply other threads:[~2004-09-01 0:33 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-09-01 0:13 more mdadm questions rich turner
2004-09-01 0:33 ` maarten [this message]
2004-09-01 1:00 ` Neil Brown
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