From mboxrd@z Thu Jan 1 00:00:00 1970 From: NeilBrown Subject: Re: Device Unusable At Startup Date: Mon, 13 Aug 2012 10:20:20 +1000 Message-ID: <20120813102020.172d3a93@notabene.brown> References: Mime-Version: 1.0 Content-Type: multipart/signed; micalg=PGP-SHA1; boundary="Sig_/zt/NDj5Jbw=jV9OYVvfW.P="; protocol="application/pgp-signature" Return-path: In-Reply-To: Sender: linux-raid-owner@vger.kernel.org To: Jake Thomas Cc: linux-raid@vger.kernel.org List-Id: linux-raid.ids --Sig_/zt/NDj5Jbw=jV9OYVvfW.P= Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: quoted-printable On Sun, 12 Aug 2012 16:59:25 -0700 Jake Thomas wrote: > sudo mdadm --create /dev/answers --level=3D1 --raid-devices=3D2 > /dev/blog,/dev/linux-raid@vger.kernel.org ;-) >=20 > Thanks for the responses Neil! >=20 > I did try the following kernel parameter: >=20 > md-mod.start_dirty_degraded=3D1 >=20 > Does my kernel simply not honor that parameter? I'll try and look > into my initial ramdisk and see some of these scripts you're talking > about. That parameter is for a different issue. Starting a RAID5 or RAID6 when it is dirty and degraded can cause data loss, so it is not done by default. In your situation the array is not dirty and it isn't RAID5 or RAID6, so th= at doesn't apply. NeilBrown --Sig_/zt/NDj5Jbw=jV9OYVvfW.P= Content-Type: application/pgp-signature; name=signature.asc Content-Disposition: attachment; filename=signature.asc -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.18 (GNU/Linux) iQIVAwUBUChIRDnsnt1WYoG5AQI3VRAAxMasVZkenMuueKoepbL/4nrhO9d5IOF6 nZT/U9Xeckz2WLAOVjPk2ZP89DaAmTDp+5MKf5mqNfh53PQYpAWL3h8gq7THmgpe 0SamA+rTZQdgtEDRcUSmENHZKkG7sPiU47PwRHwJO6Z1PmWFkdDHVskTpLzqQbRY h+vULL9f8eX2km9sR++V8ipYkCKeGVrqU9C/aV6Huj2nczfpm/YyqlgEcEjhDv3B mW5xJJYFuL5Ge4ERQq7pQ20P4Wo0kDCAy4DtPxExOd6ucyhsKPri+w4tm8ZDuhyL mUq7v1MK8dKjo1l+PYGtezixC0SvkeWKHECUfjasoMjC5iEIAD8q5TVOwiFiQ4pJ gtP3XptKl7vB4zw3HpPWfORq6Ur4T4++dzNmhzfR7fvRWqexRyWvJVQTUCMQL1f8 goK/EbzxAurhOiuqHUD1S1LVHgtL9+apZyX1APZyrlz+5kSr8uI7sDjPGuADK21j FBA9lzbfJ5MiYiQcP3laBV6pbhVOcEWjTDWY+cieimNE8HxssjLKbr6BJBZlRv59 1PwIUdbch6jOy7z4MxHgPa//hbkAzaIvJ9odTxKFIgdw1bgR1R9pTXH3UGDnjxoV xv/WS7/l/CZHS/a4dHBE8qfu5i5u4z6ASNGrsGzZN/QXkUhwWDmDpg0p+jLqN0R7 dphduGaXfUU= =66HO -----END PGP SIGNATURE----- --Sig_/zt/NDj5Jbw=jV9OYVvfW.P=--