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lvm2/tools/vgextend.c
Alasdair Kergon ffb3162116 vgextend
2001-10-15 22:04:27 +00:00

87 lines
2.1 KiB
C

/*
* Copyright (C) 2001 Sistina Software
*
* LVM is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
* any later version.
*
* LVM is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with LVM; see the file COPYING. If not, write to
* the Free Software Foundation, 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*
*/
#include "tools.h"
int vgextend(int argc, char **argv)
{
char *vg_name;
struct volume_group *vg = NULL;
if (!argc) {
log_error("Please enter volume group name and "
"physical volume(s)");
return EINVALID_CMD_LINE;
}
if (argc == 1) {
log_error("Please enter physical volume(s)");
return EINVALID_CMD_LINE;
}
vg_name = argv[0];
argc--;
argv++;
log_verbose("Checking for volume group '%s'", vg_name);
if (!(vg = ios->vg_read(ios, vg_name))) {
log_error("Volume group '%s' not found.", vg_name);
return ECMD_FAILED;
}
if (!(vg->status & ACTIVE)) {
log_error("Volume group '%s' is not active.", vg_name);
return ECMD_FAILED;
}
if (!(vg->status & EXTENDABLE_VG)) {
log_error("Volume group '%s' is not extendable.", vg_name);
return ECMD_FAILED;
}
/********** FIXME
log_print("maximum logical volume size is %s",
(dummy = lvm_show_size(LVM_LV_SIZE_MAX(vg) / 2, LONG)));
dbg_free(dummy);
dummy = NULL;
**********/
/* extend vg */
if (!vg_extend(ios, vg, argc, argv))
return ECMD_FAILED;
/* ret > 0 */
log_verbose("Volume group '%s' will be extended by %d new "
"physical volumes", vg_name, argc);
/* store vg on disk(s) */
if (!ios->vg_write(ios, vg))
return ECMD_FAILED;
/********* FIXME
if ((ret = do_autobackup(vg_name, vg)))
return ret;
*********/
log_print("Volume group '%s' successfully extended", vg_name);
return 0;
}