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Boot problems. IBM M1015 (mpt2sas) + mdadm Raid1
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ponky
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Joined: 26 Sep 2013
Posts: 8

PostPosted: Thu Sep 26, 2013 5:45 am    Post subject: Boot problems. IBM M1015 (mpt2sas) + mdadm Raid1 Reply with quote

Hello,

I just built my new home server and installed Gentoo (x86_64 hardened) on it. Now i'm facing some boot problems. Here's how I partitioned the disks:

/dev/md0 = boot (/dev/sde1 & /dev/sdf1) <- superblock v. 0.9 /// IGNORE THIS! I'm using usb-stick for grub, kernel and initramfs!
/dev/md1 = / (/dev/sde2 & /dev/sdf2) <- superblock v. 1.2

Now my problem is that all disks in the box are connected to IBM M1015 HBA card, which is cross-flashed to LSI9211-8i in IT mode. The card uses mpt2sas driver.

I can see the card getting initialized and detecting drives that are connected to it, but the array never gets detected.

During installation, I created initramfs with:

Code:
genkernel --mdadm --install initramfs


Boot fails to kernel panic, VFS: Unable to mount root fs on unknown block....

Ill add my .config, grub.conf etc. when I get home.
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DONAHUE
Watchman
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Joined: 09 Dec 2006
Posts: 6420
Location: Goose Creek SC

PostPosted: Thu Sep 26, 2013 10:43 pm    Post subject: Reply with quote

include lspci -k while you are at it.

wgetpaste is your friend
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ponky
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Joined: 26 Sep 2013
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PostPosted: Fri Sep 27, 2013 5:32 am    Post subject: Reply with quote

It's working now, had to add domdadm to kernel parameters.
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