From: Phil Turmel <philip@turmel.org>
To: Mikael Abrahamsson <swmike@swm.pp.se>,
Peter Kay <syllopsium@syllopsium.co.uk>
Cc: "linux-raid@vger.kernel.org" <linux-raid@vger.kernel.org>
Subject: Re: Two disk RAID10 inactive on boot if partition is missing
Date: Tue, 17 May 2016 09:31:53 -0400 [thread overview]
Message-ID: <573B1D49.6090301@turmel.org> (raw)
In-Reply-To: <alpine.DEB.2.02.1605171209470.28372@uplift.swm.pp.se>
On 05/17/2016 06:13 AM, Mikael Abrahamsson wrote:
> On Tue, 17 May 2016, Peter Kay wrote:
>
>> I'm not trying to boot from it, and I'm using Salix (Slackware), not a
>> debian based distribution. My boot partitions are not raided.
>
> The setting would still be valid if your distribution defaults to not
> assembling and using degraded arrays on boot.
See the "Unclean Shutdown" section of "man md".
The kernel parameter you need is "md_mod.start_dirty_degraded=1".
Doing this is a really good way to end up with split brain. Why do you
need to regularly boot without the devices that were present at shutdown?
Phil
next prev parent reply other threads:[~2016-05-17 13:31 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-05-17 1:52 Two disk RAID10 inactive on boot if partition is missing Peter Kay
2016-05-17 8:40 ` Mikael Abrahamsson
[not found] ` <CAN4OnoguQMvnuUr7mGYpTi7_SonZ42Z5TSigKaJ0ZfZuiup0Og@mail.gmail.com>
2016-05-17 10:13 ` Mikael Abrahamsson
2016-05-17 13:31 ` Phil Turmel [this message]
2016-05-18 4:16 ` Peter Kay
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