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/*
* 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(struct cmd_context *cmd, int argc, char **argv)
{
char *vg_name;
struct volume_group *vg = NULL;
int consistent = 1;
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++;
if (!lock_vol(cmd, "", LCK_VG_WRITE)) {
log_error("Can't get lock for orphan PVs");
return ECMD_FAILED;
}
log_verbose("Checking for volume group \"%s\"", vg_name);
if (!lock_vol(cmd, vg_name, LCK_VG_WRITE | LCK_NONBLOCK)) {
unlock_vg(cmd, "");
log_error("Can't get lock for %s", vg_name);
goto error;
}
if (!(vg = vg_read(cmd, vg_name, &consistent)) || !consistent) {
log_error("Volume group \"%s\" not found.", vg_name);
goto error;
}
if (vg->status & EXPORTED_VG) {
log_error("Volume group \"%s\" is exported", vg->name);
goto error;
}
if (!(vg->status & LVM_WRITE)) {
log_error("Volume group \"%s\" is read-only", vg_name);
goto error;
}
if (!(vg->status & RESIZEABLE_VG)) {
log_error("Volume group \"%s\" is not resizeable.", vg_name);
goto error;
}
/********** 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;
**********/
if (!archive(vg))
goto error;
/* extend vg */
if (!vg_extend(vg->fid, vg, argc, argv))
goto error;
/* ret > 0 */
log_verbose("Volume group \"%s\" will be extended by %d new "
"physical volumes", vg_name, argc);
/* store vg on disk(s) */
if (!vg_write(vg) || !vg_commit(vg))
goto error;
backup(vg);
unlock_vg(cmd, vg_name);
unlock_vg(cmd, "");
log_print("Volume group \"%s\" successfully extended", vg_name);
return 0;
error:
unlock_vg(cmd, vg_name);
unlock_vg(cmd, "");
return ECMD_FAILED;
}
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