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Old 11-10-2007, 08:58 AM   #1
Registered: Jul 2007
Location: Penang , Malaysia.
Distribution: red hat linux
Posts: 133

Rep: Reputation: 15
Smile how to remove raid partion?

in RHEL5. i already create raid partition by using mdadm. dev/md0 there are raid level 0 and have two raid device dev/sda6 dev/sda7. Now i want to remove one of them "dev/sda7".i using this command: # mdadm --verbose /dev/md0 -f /dev/sda7 -r /dev/sda7 but error said: cannot remove active disk sda7 from md0, hot remove failed for /dev/sda7: device or resource busy. i already unmount, so why still said device or resource busy?

Thank you.
Old 11-10-2007, 10:56 PM   #2
Registered: Feb 2004
Distribution: Debian Jessie
Posts: 260

Rep: Reputation: 32
Check /etc/mtab to verify unmounted resource.
Old 11-11-2007, 02:54 AM   #3
Registered: Mar 2007
Distribution: centos
Posts: 126

Rep: Reputation: 15
Fisrt of all ,you should do is umount if you want to
remove any partion!


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