From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mark Knecht Subject: Re: New RAID1 machine "No bootable media" Date: Mon, 29 Mar 2010 20:42:36 -0700 Message-ID: <5bdc1c8b1003292042i37e48e97m4ffea2c7f37573da@mail.gmail.com> References: <5bdc1c8b1003280812i7e785215xd44928c8d746a2b0@mail.gmail.com> <40b437201003291929h5fd760dcl7e19b18afd188f12@mail.gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: In-Reply-To: <40b437201003291929h5fd760dcl7e19b18afd188f12@mail.gmail.com> Sender: linux-raid-owner@vger.kernel.org To: Simon Matthews Cc: Linux-RAID List-Id: linux-raid.ids Yeah, same thing here. This is the first machine I've owned in years that actually required that. Basically it failed to boot as RAID so I blew the install away, did it as non-RAID and had the same problem. Guess that might be it and tried it non-RAID and it worked. I haven't gone back to a RAID install yet due to issues in my other thread. Until I solve those I think I'll stick with the current install. Thanks, Mark On Mon, Mar 29, 2010 at 7:29 PM, Simon Matthews wrote: > Did you mark the partition as a bootable partition (using fdisk or > cfdisk, etc)? I encountered this problem very recently. It seems to > afflict 945G chipsets and it would not be unreasonable to think that > other Intel chipsets could have the same issue. Another example of > this: > http://www.vyatta.org/forum/viewtopic.php?t=3D1976 > > Can you boot off a livecd such as systemrescuecd and then use that to > boot off the hard drive (using the "disk1" boot option)? > > Simon > > On Sun, Mar 28, 2010 at 8:12 AM, Mark Knecht w= rote: >> Hi, >> =C2=A0 I brought up new hardware yesterday for my first RAID install= =2E I >> followed this Gentoo page describing a software RAID1/LVM install: >> >> http://www.gentoo.org/doc/en/gentoo-x86+raid+lvm2-quickinstall.xml >> >> =C2=A0 Note that I followed this page verbatim, even if it wasn't wh= at I >> wanted, with exceptions: >> >> a) My RAID1 is 3 drives instead of 2 >> b) I'm AMD64 Gentoo based. >> c) I used grub-static >> >> =C2=A0I did this install mostly just to get a first-hand feel for ho= w to >> do a RAID install and to try out some of the mdadm commands for real= =2E >> My intention was to blow away the install if I didn't like it and do >> it again for real once I started to get a clearer picture about how >> things worked. For instance, this set of instructions used RAID1 on >> the /boot directory which I wasn't sure about. >> >> =C2=A0 NOTE: THIS INSTALL PUTS EVERYTHING ON RAID1. (/, /boot, every= thing) >> I didn't start out thinking I wanted to do that. >> >> =C2=A0 So, the first problem is that on the reboot to see if the ins= tall >> worked the Intel BIOS reports 'no bootable media found'. I am very >> unclear how any system boots software RAID1 before software is loade= d, >> assuming I understand the Gentoo instructions. The instructions I us= ed >> to install grub where >> >> root (hd0,0) >> setup (hd0) >> root (hd1,0) >> setup (hd1) >> root (hd2,0) >> setup (hd2) >> >> but the system finds nothing to boot from. to me this sounds like BI= OS >> so looking around I'm currently set up for compatibility but would >> think that switching to AHCI support would be a better long term >> solution. Any chance this setting is the root cause? >> >> =C2=A0 I can boot from CD and assemble the /boot RAID >> >> livecd ~ # cat /proc/mdstat >> Personalities : [raid0] [raid1] [raid6] [raid5] [raid4] [raid10] >> unused devices: >> livecd ~ # mdadm --assemble /dev/md1 /dev/sda1 /dev/sdb1 /dev/sdc1 >> mdadm: /dev/md1 has been started with 3 drives. >> livecd ~ # cat /proc/mdstat >> Personalities : [raid0] [raid1] [raid6] [raid5] [raid4] [raid10] >> md1 : active raid1 sda1[0] sdc1[2] sdb1[1] >> =C2=A0 =C2=A0 =C2=A0112320 blocks [3/3] [UUU] >> >> unused devices: >> livecd ~ # mdadm --misc --stop /dev/md1 >> mdadm: stopped /dev/md1 >> livecd ~ # cat /proc/mdstat >> Personalities : [raid0] [raid1] [raid6] [raid5] [raid4] [raid10] >> unused devices: >> livecd ~ # >> >> >> Everything I expect to see on /boot seems to be there when using ls. >> >> =C2=A0 Note that one possible clue - when the Intel BIOS screen firs= t >> comes up I see some hex digits flashing around in the lower right. >> I've not seen this before on other machines and I beleive the >> motherboard (DX58SO) does support some sort of RAID in hardware so >> maybe there's confusion there? I've not selected RAID in BIOS but >> possible it's trying to be too clever? >> >> =C2=A0 Let me know what other info might be needed. I have concerns = about >> this install and will likely blow it away today and do a new one but= I >> figured maybe there's an opportunity to learn here before I do that. >> >> Cheers, >> Mark >> -- >> To unsubscribe from this list: send the line "unsubscribe linux-raid= " in >> the body of a message to majordomo@vger.kernel.org >> More majordomo info at =C2=A0http://vger.kernel.org/majordomo-info.h= tml >> > -- 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