external/gpl2/lvm2/dist/tools/vgimport.c

   1 /*      $NetBSD$        */
   2
   3 /*
   4  * Copyright (C) 2001-2004 Sistina Software, Inc. All rights reserved.
   5  * Copyright (C) 2004-2009 Red Hat, Inc. All rights reserved.
   6  *
   7  * This file is part of LVM2.
   8  *
   9  * This copyrighted material is made available to anyone wishing to use,
  10  * modify, copy, or redistribute it subject to the terms and conditions
  11  * of the GNU Lesser General Public License v.2.1.
  12  *
  13  * You should have received a copy of the GNU Lesser General Public License
  14  * along with this program; if not, write to the Free Software Foundation,
  15  * Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  16  */
  17
  18 #include "tools.h"
  19
  20 static int vgimport_single(struct cmd_context *cmd __attribute((unused)),
  21                            const char *vg_name,
  22                            struct volume_group *vg,
  23                            void *handle __attribute((unused)))
  24 {
  25         struct pv_list *pvl;
  26         struct physical_volume *pv;
  27
  28         if (!vg_is_exported(vg)) {
  29                 log_error("Volume group \"%s\" is not exported", vg_name);
  30                 goto bad;
  31         }
  32
  33         if (vg_status(vg) & PARTIAL_VG) {
  34                 log_error("Volume group \"%s\" is partially missing", vg_name);
  35                 goto bad;
  36         }
  37
  38         if (!archive(vg))
  39                 goto_bad;
  40
  41         vg->status &= ~EXPORTED_VG;
  42
  43         dm_list_iterate_items(pvl, &vg->pvs) {
  44                 pv = pvl->pv;
  45                 pv->status &= ~EXPORTED_VG;
  46         }
  47
  48         if (!vg_write(vg) || !vg_commit(vg))
  49                 goto_bad;
  50
  51         backup(vg);
  52
  53         log_print("Volume group \"%s\" successfully imported", vg->name);
  54
  55         return ECMD_PROCESSED;
  56
  57 bad:
  58         return ECMD_FAILED;
  59 }
  60
  61 int vgimport(struct cmd_context *cmd, int argc, char **argv)
  62 {
  63         if (!argc && !arg_count(cmd, all_ARG)) {
  64                 log_error("Please supply volume groups or use -a for all.");
  65                 return ECMD_FAILED;
  66         }
  67
  68         if (argc && arg_count(cmd, all_ARG)) {
  69                 log_error("No arguments permitted when using -a for all.");
  70                 return ECMD_FAILED;
  71         }
  72
  73         return process_each_vg(cmd, argc, argv,
  74                                READ_FOR_UPDATE | READ_ALLOW_EXPORTED,
  75                                NULL,
  76                                &vgimport_single);
  77 }