You'll need to supply more info, but more importantly, you will probably get more specific help on the mdadm e-mail list.
_____ From: [email protected] [mailto:[email protected]] On Behalf Of Peter Tenenbaum Sent: Saturday, June 25, 2011 11:24 PM To: [email protected] Subject: Problem booting via grub2 in software RAID system Hello there -- I have a Debian squeeze workstation which uses grub2 as its bootloader. The system has 2 hard drives: the root partition is a software RAID-1 array configured with mdadm; the boot partition is non-RAID (ext3). It also has a DVD drive. The underlying architecture is AMD64, the CPU and mobo are Intel. Ordinarily, booting via grub2 with the configuration above works fine. However, when I connect an external hard drive via a back-panel USB port, I can't boot -- the boot hangs or freezes or something. Through use of echo statements, I determined that the problem occurs in the following stanza near the top of my grub.cfg file: insmod raid insmod mdraid insmod part_msdos insmod part_msdos insmod ext2 The first statement executes correctly, but the second (insmod mdraid) is the one which hangs. Any suggestions for what might be wrong and/or how to correct it? Thanks in advance for any help you can provide, -PT
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