From mboxrd@z Thu Jan 1 00:00:00 1970 From: Roy Sigurd Karlsbakk Subject: Re: RAID50 boot problems Date: Fri, 26 Apr 2013 21:10:12 +0200 (CEST) Message-ID: <5359373.10.1367003412336.JavaMail.root@zimbra> References: <20130425094417.4882607e@notabene.brown> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: In-Reply-To: <20130425094417.4882607e@notabene.brown> Sender: linux-raid-owner@vger.kernel.org To: NeilBrown Cc: Roman Mamedov , linux-raid , Alexander Zvyagin , Dmitrijs Ledkovs List-Id: linux-raid.ids > My current thinking is that the initramfs should *only* assemble > arrays needed > to mount the root filesystems. All other arrays should wait for root > to be > mounted so that real /etc/mdadm.conf (or /etc/mdadm/mdadm.conf) can b= e > consulted. > This can be achieved by putting > auto -all > in mdadm.conf on the initramfs, then listing the arrays that are > needed. >=20 > I'm not convinced that your boot-degraded option is a bad thing. > Certainly > it should be optional so unattended boot is possible, and we should d= o > our > best to minimise the number of times that it is consulted. But there > are > times when it is better to know that something is wrong, than to > proceed and > do the wrong thing. >=20 > A particularly bad case is a RAID1 pair where one device failed a few > days > ago. > If after a reboot the good device is missing (cable problem?) and the > bad > device is visible, it could be best not to boot rather than to boot > with an > old root based on the old 'failed' device. Anyone that knows more about this issue and how to fix it? I've filed a= bug, but haven't gotten any more feedback --=20 Vennlige hilsener / Best regards roy -- Roy Sigurd Karlsbakk (+47) 98013356 roy@karlsbakk.net http://blogg.karlsbakk.net/ GPG Public key: http://karlsbakk.net/roysigurdkarlsbakk.pubkey.txt -- I all pedagogikk er det essensielt at pensum presenteres intelligibelt.= Det er et element=C3=A6rt imperativ for alle pedagoger =C3=A5 unng=C3=A5= eksessiv anvendelse av idiomer med xenotyp etymologi. I de fleste tilf= eller eksisterer adekvate og relevante synonymer p=C3=A5 norsk. -- To unsubscribe from this list: send the line "unsubscribe linux-raid" i= n the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html