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git://sourceware.org/git/lvm2.git
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84 lines
1.9 KiB
C
84 lines
1.9 KiB
C
/*
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* Copyright (C) 2001 Sistina Software (UK) Limited.
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*
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* This file is released under the GPL.
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*/
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#include "tools.h"
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/* FIXME From config file? */
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#define DEFAULT_PV 255
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#define DEFAULT_LV 255
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#define DEFAULT_EXTENT 4096 /* In KB */
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int vgcreate(int argc, char **argv)
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{
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int max_lv, max_pv, extent_size;
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char *vg_name;
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struct volume_group *vg;
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if (!argc) {
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log_error("Please provide volume group name and "
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"physical volumes");
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return EINVALID_CMD_LINE;
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}
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if (argc == 1) {
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log_error("Please enter physical volume name(s)");
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return EINVALID_CMD_LINE;
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}
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vg_name = argv[0];
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max_lv = arg_int_value(maxlogicalvolumes_ARG, DEFAULT_LV);
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max_pv = arg_int_value(maxphysicalvolumes_ARG, DEFAULT_PV);
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/* Units of 512-byte sectors */
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extent_size = arg_int_value(physicalextentsize_ARG, DEFAULT_EXTENT) * 2;
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if (max_lv < 1) {
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log_error("maxlogicalvolumes too low");
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return EINVALID_CMD_LINE;
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}
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if (max_pv < 1) {
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log_error("maxphysicalvolumes too low");
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return EINVALID_CMD_LINE;
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}
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/* Strip prefix if present */
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if (!strncmp(vg_name, ios->prefix, strlen(ios->prefix)))
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vg_name += strlen(ios->prefix);
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if (!is_valid_chars(vg_name)) {
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log_error("New volume group name '%s' has invalid characters",
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vg_name);
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return ECMD_FAILED;
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}
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/* create the new vg */
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if (!(vg = vg_create(ios, vg_name, extent_size, max_pv, max_lv,
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argc - 1, argv + 1)))
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return ECMD_FAILED;
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if (max_lv != vg->max_lv)
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log_error("Warning: Setting maxlogicalvolumes to %d",
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vg->max_lv);
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if (max_pv != vg->max_pv)
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log_error("Warning: Setting maxphysicalvolumes to %d",
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vg->max_pv);
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/* store vg on disk(s) */
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if (!ios->vg_write(ios, vg))
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return ECMD_FAILED;
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/* FIXME Create /dev/vg */
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/* FIXME Activate */
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log_print("Volume group %s successfully created and activated",
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vg_name);
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return 0;
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}
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