Comment 42 for bug 569900

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Thomas Krause (krause) wrote : Re: mount: mounting /dev/md0 on /root/ failed: Invalid argument

I've got the same problems on a Dell PowerEdge T110 with four 500.1 GB disks from Seagate (ST3500320NS) when trying to combine two of them to a RAID1.

I remember that there was a error in dmesg after falling back to the initramfs console about the ext4 filesystem (something with unexpected size) and a message like

md0p1 bad geometry block count exceeds size of device

(restored from my search history today).

I post the exact error message tomorrow, when I have access to the server again, if you like. I may also try some of the workarounds in order to get the server up and running tomorrow but since it's a replacement for an existing server I could delay the workarounds for some days in order to assist in debugging this issue.