2 * mdadm - manage Linux "md" devices aka RAID arrays.
4 * Copyright (C) 2001-2002 Neil Brown <neilb@cse.unsw.edu.au>
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
22 * Email: <neilb@cse.unsw.edu.au>
24 * School of Computer Science and Engineering
25 * The University of New South Wales
29 * Added by Dale Stephenson
30 * steph@snapserver.com
37 int Kill(char *dev, int force)
40 * Nothing fancy about Kill. It just zeroes out a superblock
41 * Definitely not safe.
47 fd = open(dev, O_RDWR|O_EXCL);
49 fprintf(stderr, Name ": Couldn't open %s for write - not zeroing\n",
53 rv = load_super0(fd, &super, dev);
55 rv = 0; /* ignore bad data in superblock */
56 if (rv== 0 || (force && rv >= 2)) {
57 memset(&super, 0, sizeof(super));
58 if (store_super0(fd, super)) {
59 fprintf(stderr, Name ": Could not zero superblock on %s\n",
63 fprintf(stderr, Name ": superblock zeroed anyway\n");