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Hi,
I created 3 logical partitions on my laptop using cfdisk and booted the arch dual installer using a usb drive. I then try to
mkfs.ext4 /dev/sda6
which is my / partition and I get the following message
/dev/sda6 is apparently in use by the system; will not make a filesystem here!
Since I booted via USB I don't see how this could be true. Any help would be great! Also I did search but couldn't find anything. This is going to be a dual boot system with windows 7.
Update: I created partitions with both cfdisk and fdisk and it made no difference. Still unable to mkfs.ext4 and even mkswap
Thanks!
Last edited by sinisterz (2012-09-25 00:10:46)
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Did you make sure the partition was NOT mounted before running the command? Also you could try using GParted (various Live CDs available) for creating partitions and formatting.
Last edited by anonymous_user (2012-09-25 00:22:24)
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yes the partition was not mounted. the solution was to use
mdadm --stop /dev/md126 and then again to /dev/md127
for some reason the system thought it was in a raid
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