tools/vgremove.c

   1 /*
   2  * Copyright (C) 2001-2004 Sistina Software, Inc. All rights reserved.
   3  * Copyright (C) 2004-2009 Red Hat, Inc. All rights reserved.
   4  *
   5  * This file is part of LVM2.
   6  *
   7  * This copyrighted material is made available to anyone wishing to use,
   8  * modify, copy, or redistribute it subject to the terms and conditions
   9  * of the GNU Lesser General Public License v.2.1.
  10  *
  11  * You should have received a copy of the GNU Lesser General Public License
  12  * along with this program; if not, write to the Free Software Foundation,
  13  * Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  14  */
  15
  16 #include "tools.h"
  17
  18 static int vgremove_single(struct cmd_context *cmd, const char *vg_name,
  19                            struct volume_group *vg,
  20                            void *handle __attribute__((unused)))
  21 {
  22         unsigned lv_count, missing;
  23         force_t force;
  24
  25         if (!vg_check_status(vg, EXPORTED_VG)) {
  26                 stack;
  27                 return ECMD_FAILED;
  28         }
  29
  30         lv_count = vg_visible_lvs(vg);
  31
  32         force = (force_t) arg_count(cmd, force_ARG);
  33         if (lv_count) {
  34                 if (force == PROMPT) {
  35                         if ((missing = vg_missing_pv_count(vg)))
  36                                 log_warn("WARNING: %d physical volumes are currently missing "
  37                                          "from the system.", missing);
  38                         if (yes_no_prompt("Do you really want to remove volume "
  39                                           "group \"%s\" containing %u "
  40                                           "logical volumes? [y/n]: ",
  41                                           vg_name, lv_count) == 'n') {
  42                                 log_error("Volume group \"%s\" not removed", vg_name);
  43                                 return ECMD_FAILED;
  44                         }
  45                 }
  46                 if (!remove_lvs_in_vg(cmd, vg, force)) {
  47                         stack;
  48                         return ECMD_FAILED;
  49                 }
  50         }
  51
  52         if (!force && !vg_remove_check(vg)) {
  53                 stack;
  54                 return ECMD_FAILED;
  55         }
  56
  57         vg_remove_pvs(vg);
  58
  59         if (!vg_remove(vg)) {
  60                 stack;
  61                 return ECMD_FAILED;
  62         }
  63
  64         return ECMD_PROCESSED;
  65 }
  66
  67 int vgremove(struct cmd_context *cmd, int argc, char **argv)
  68 {
  69         int ret;
  70
  71         if (!argc) {
  72                 log_error("Please enter one or more volume group paths");
  73                 return EINVALID_CMD_LINE;
  74         }
  75
  76         cmd->handles_missing_pvs = 1;
  77         ret = process_each_vg(cmd, argc, argv,
  78                               READ_FOR_UPDATE,
  79                               NULL, &vgremove_single);
  80
  81         return ret;
  82 }