mirror of
git://sourceware.org/git/lvm2.git
synced 2024-12-22 17:35:59 +03:00
66086ce962
Several commands calls process_each_vg() and in provided callback it explicitly recovers VG if inconsistent. (vgchange, vgconvert, vgscan) It means that old VG is released and reread but the function above (process_one_vg) tries to unlock and release old VG. Patch moves the repair logic into _process_one_vg() function. It always tries to read vg (even inconsistent) and then decides what to do according new defined parameter. Also patch unifies inconsistent error messages. The only slight change if for vgremove command, where it now tries to repair VG before it removes if force arg is given. (It works similar way before, just the order of operation changed).
627 lines
16 KiB
C
627 lines
16 KiB
C
/*
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* Copyright (C) 2001-2004 Sistina Software, Inc. All rights reserved.
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* Copyright (C) 2004-2007 Red Hat, Inc. All rights reserved.
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*
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* This file is part of LVM2.
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*
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* This copyrighted material is made available to anyone wishing to use,
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* modify, copy, or redistribute it subject to the terms and conditions
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* of the GNU Lesser General Public License v.2.1.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include "tools.h"
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static int _monitor_lvs_in_vg(struct cmd_context *cmd,
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struct volume_group *vg, int reg)
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{
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struct lv_list *lvl;
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struct logical_volume *lv;
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struct lvinfo info;
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int lv_active;
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int count = 0;
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dm_list_iterate_items(lvl, &vg->lvs) {
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lv = lvl->lv;
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if (!lv_info(cmd, lv, &info, 0, 0))
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lv_active = 0;
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else
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lv_active = info.exists;
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/*
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* FIXME: Need to consider all cases... PVMOVE, etc
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*/
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if ((lv->status & PVMOVE) || !lv_active)
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continue;
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if (!monitor_dev_for_events(cmd, lv, reg)) {
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continue;
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} else
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count++;
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}
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/*
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* returns the number of _new_ monitored devices
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*/
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return count;
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}
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static int _activate_lvs_in_vg(struct cmd_context *cmd,
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struct volume_group *vg, int activate)
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{
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struct lv_list *lvl;
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struct logical_volume *lv;
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const char *pvname;
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int count = 0;
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dm_list_iterate_items(lvl, &vg->lvs) {
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lv = lvl->lv;
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/* Only request activation of snapshot origin devices */
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if ((lv->status & SNAPSHOT) || lv_is_cow(lv))
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continue;
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/* Only request activation of mirror LV */
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if ((lv->status & MIRROR_IMAGE) || (lv->status & MIRROR_LOG))
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continue;
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/* Can't deactivate a pvmove LV */
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/* FIXME There needs to be a controlled way of doing this */
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if (((activate == CHANGE_AN) || (activate == CHANGE_ALN)) &&
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((lv->status & PVMOVE) ))
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continue;
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if (activate == CHANGE_AN) {
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if (!deactivate_lv(cmd, lv))
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continue;
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} else if (activate == CHANGE_ALN) {
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if (!deactivate_lv_local(cmd, lv))
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continue;
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} else if (lv_is_origin(lv) || (activate == CHANGE_AE)) {
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if (!activate_lv_excl(cmd, lv))
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continue;
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} else if (activate == CHANGE_ALY) {
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if (!activate_lv_local(cmd, lv))
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continue;
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} else if (!activate_lv(cmd, lv))
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continue;
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if ((lv->status & PVMOVE) &&
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(pvname = get_pvmove_pvname_from_lv_mirr(lv))) {
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log_verbose("Spawning background process for %s %s",
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lv->name, pvname);
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pvmove_poll(cmd, pvname, 1);
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continue;
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}
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count++;
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}
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return count;
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}
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static int _vgchange_monitoring(struct cmd_context *cmd, struct volume_group *vg)
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{
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int active, monitored;
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if ((active = lvs_in_vg_activated(vg)) &&
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dmeventd_monitor_mode() != DMEVENTD_MONITOR_IGNORE) {
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monitored = _monitor_lvs_in_vg(cmd, vg, dmeventd_monitor_mode());
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log_print("%d logical volume(s) in volume group "
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"\"%s\" %smonitored",
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monitored, vg->name, (dmeventd_monitor_mode()) ? "" : "un");
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}
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return ECMD_PROCESSED;
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}
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static int _vgchange_available(struct cmd_context *cmd, struct volume_group *vg)
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{
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int lv_open, active, monitored;
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int available;
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int activate = 1;
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available = arg_uint_value(cmd, available_ARG, 0);
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if ((available == CHANGE_AN) || (available == CHANGE_ALN))
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activate = 0;
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/* FIXME: Force argument to deactivate them? */
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if (!activate && (lv_open = lvs_in_vg_opened(vg))) {
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log_error("Can't deactivate volume group \"%s\" with %d open "
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"logical volume(s)", vg->name, lv_open);
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return ECMD_FAILED;
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}
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if (activate && lockingfailed() && (vg_is_clustered(vg))) {
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log_error("Locking inactive: ignoring clustered "
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"volume group %s", vg->name);
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return ECMD_FAILED;
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}
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/* FIXME Move into library where clvmd can use it */
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if (activate && !lockingfailed())
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check_current_backup(vg);
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if (activate && (active = lvs_in_vg_activated(vg))) {
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log_verbose("%d logical volume(s) in volume group \"%s\" "
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"already active", active, vg->name);
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if (dmeventd_monitor_mode() != DMEVENTD_MONITOR_IGNORE) {
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monitored = _monitor_lvs_in_vg(cmd, vg, dmeventd_monitor_mode());
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log_verbose("%d existing logical volume(s) in volume "
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"group \"%s\" %smonitored",
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monitored, vg->name,
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dmeventd_monitor_mode() ? "" : "un");
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}
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}
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if (activate && _activate_lvs_in_vg(cmd, vg, available))
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log_verbose("Activated logical volumes in "
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"volume group \"%s\"", vg->name);
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if (!activate && _activate_lvs_in_vg(cmd, vg, available))
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log_verbose("Deactivated logical volumes in "
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"volume group \"%s\"", vg->name);
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log_print("%d logical volume(s) in volume group \"%s\" now active",
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lvs_in_vg_activated(vg), vg->name);
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return ECMD_PROCESSED;
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}
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static int _vgchange_alloc(struct cmd_context *cmd, struct volume_group *vg)
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{
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alloc_policy_t alloc;
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alloc = arg_uint_value(cmd, alloc_ARG, ALLOC_NORMAL);
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if (alloc == ALLOC_INHERIT) {
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log_error("Volume Group allocation policy cannot inherit "
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"from anything");
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return EINVALID_CMD_LINE;
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}
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if (alloc == vg->alloc) {
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log_error("Volume group allocation policy is already %s",
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get_alloc_string(vg->alloc));
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return ECMD_FAILED;
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}
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if (!archive(vg))
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return ECMD_FAILED;
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vg->alloc = alloc;
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if (!vg_write(vg) || !vg_commit(vg))
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return ECMD_FAILED;
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backup(vg);
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log_print("Volume group \"%s\" successfully changed", vg->name);
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return ECMD_PROCESSED;
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}
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static int _vgchange_resizeable(struct cmd_context *cmd,
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struct volume_group *vg)
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{
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int resizeable = !strcmp(arg_str_value(cmd, resizeable_ARG, "n"), "y");
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if (resizeable && (vg_status(vg) & RESIZEABLE_VG)) {
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log_error("Volume group \"%s\" is already resizeable",
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vg->name);
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return ECMD_FAILED;
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}
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if (!resizeable && !(vg_status(vg) & RESIZEABLE_VG)) {
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log_error("Volume group \"%s\" is already not resizeable",
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vg->name);
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return ECMD_FAILED;
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}
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if (!archive(vg))
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return ECMD_FAILED;
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if (resizeable)
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vg->status |= RESIZEABLE_VG;
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else
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vg->status &= ~RESIZEABLE_VG;
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if (!vg_write(vg) || !vg_commit(vg))
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return ECMD_FAILED;
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backup(vg);
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log_print("Volume group \"%s\" successfully changed", vg->name);
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return ECMD_PROCESSED;
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}
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static int _vgchange_clustered(struct cmd_context *cmd,
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struct volume_group *vg)
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{
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int clustered = !strcmp(arg_str_value(cmd, clustered_ARG, "n"), "y");
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struct lv_list *lvl;
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if (clustered && (vg_is_clustered(vg))) {
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log_error("Volume group \"%s\" is already clustered",
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vg->name);
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return ECMD_FAILED;
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}
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if (!clustered && !(vg_is_clustered(vg))) {
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log_error("Volume group \"%s\" is already not clustered",
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vg->name);
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return ECMD_FAILED;
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}
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if (clustered) {
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dm_list_iterate_items(lvl, &vg->lvs) {
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if (lv_is_origin(lvl->lv) || lv_is_cow(lvl->lv)) {
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log_error("Volume group %s contains snapshots "
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"that are not yet supported.",
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vg->name);
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return ECMD_FAILED;
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}
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}
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}
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if (!archive(vg))
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return ECMD_FAILED;
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if (clustered)
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vg->status |= CLUSTERED;
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else
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vg->status &= ~CLUSTERED;
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if (!vg_write(vg) || !vg_commit(vg))
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return ECMD_FAILED;
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backup(vg);
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log_print("Volume group \"%s\" successfully changed", vg->name);
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return ECMD_PROCESSED;
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}
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static int _vgchange_logicalvolume(struct cmd_context *cmd,
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struct volume_group *vg)
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{
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uint32_t max_lv = arg_uint_value(cmd, logicalvolume_ARG, 0);
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if (!(vg_status(vg) & RESIZEABLE_VG)) {
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log_error("Volume group \"%s\" must be resizeable "
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"to change MaxLogicalVolume", vg->name);
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return ECMD_FAILED;
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}
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if (!(vg->fid->fmt->features & FMT_UNLIMITED_VOLS)) {
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if (!max_lv)
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max_lv = 255;
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else if (max_lv > 255) {
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log_error("MaxLogicalVolume limit is 255");
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return ECMD_FAILED;
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}
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}
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if (max_lv && max_lv < vg_visible_lvs(vg)) {
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log_error("MaxLogicalVolume is less than the current number "
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"%d of LVs for %s", vg_visible_lvs(vg),
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vg->name);
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return ECMD_FAILED;
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}
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if (!archive(vg))
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return ECMD_FAILED;
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vg->max_lv = max_lv;
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if (!vg_write(vg) || !vg_commit(vg))
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return ECMD_FAILED;
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backup(vg);
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log_print("Volume group \"%s\" successfully changed", vg->name);
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return ECMD_PROCESSED;
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}
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static int _vgchange_physicalvolumes(struct cmd_context *cmd,
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struct volume_group *vg)
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{
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uint32_t max_pv = arg_uint_value(cmd, maxphysicalvolumes_ARG, 0);
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if (!(vg_status(vg) & RESIZEABLE_VG)) {
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log_error("Volume group \"%s\" must be resizeable "
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"to change MaxPhysicalVolumes", vg->name);
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return ECMD_FAILED;
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}
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if (arg_sign_value(cmd, maxphysicalvolumes_ARG, 0) == SIGN_MINUS) {
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log_error("MaxPhysicalVolumes may not be negative");
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return EINVALID_CMD_LINE;
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}
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if (!(vg->fid->fmt->features & FMT_UNLIMITED_VOLS)) {
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if (!max_pv)
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max_pv = 255;
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else if (max_pv > 255) {
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log_error("MaxPhysicalVolume limit is 255");
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return ECMD_FAILED;
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}
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}
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if (max_pv && max_pv < vg->pv_count) {
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log_error("MaxPhysicalVolumes is less than the current number "
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"%d of PVs for \"%s\"", vg->pv_count,
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vg->name);
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return ECMD_FAILED;
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}
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if (!archive(vg))
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return ECMD_FAILED;
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vg->max_pv = max_pv;
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if (!vg_write(vg) || !vg_commit(vg))
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return ECMD_FAILED;
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backup(vg);
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log_print("Volume group \"%s\" successfully changed", vg->name);
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return ECMD_PROCESSED;
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}
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static int _vgchange_pesize(struct cmd_context *cmd, struct volume_group *vg)
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{
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uint32_t extent_size;
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if (!(vg_status(vg) & RESIZEABLE_VG)) {
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log_error("Volume group \"%s\" must be resizeable "
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"to change PE size", vg->name);
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return ECMD_FAILED;
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}
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if (arg_sign_value(cmd, physicalextentsize_ARG, 0) == SIGN_MINUS) {
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log_error("Physical extent size may not be negative");
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return EINVALID_CMD_LINE;
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}
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extent_size = arg_uint_value(cmd, physicalextentsize_ARG, 0);
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if (!extent_size) {
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log_error("Physical extent size may not be zero");
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return EINVALID_CMD_LINE;
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}
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if (extent_size == vg->extent_size) {
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log_error("Physical extent size of VG %s is already %s",
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vg->name, display_size(cmd, (uint64_t) extent_size));
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return ECMD_PROCESSED;
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}
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if (extent_size & (extent_size - 1)) {
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log_error("Physical extent size must be a power of 2.");
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return EINVALID_CMD_LINE;
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}
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if (extent_size > vg->extent_size) {
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if ((uint64_t) vg->extent_size * vg->extent_count % extent_size) {
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/* FIXME Adjust used PV sizes instead */
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log_error("New extent size is not a perfect fit");
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return EINVALID_CMD_LINE;
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}
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}
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if (!archive(vg))
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return ECMD_FAILED;
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if (!vg_change_pesize(cmd, vg, extent_size)) {
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stack;
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return ECMD_FAILED;
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}
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if (!vg_write(vg) || !vg_commit(vg))
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return ECMD_FAILED;
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backup(vg);
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log_print("Volume group \"%s\" successfully changed", vg->name);
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return ECMD_PROCESSED;
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}
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static int _vgchange_tag(struct cmd_context *cmd, struct volume_group *vg,
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int arg)
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{
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const char *tag;
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if (!(tag = arg_str_value(cmd, arg, NULL))) {
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log_error("Failed to get tag");
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return ECMD_FAILED;
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}
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if (!(vg->fid->fmt->features & FMT_TAGS)) {
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log_error("Volume group %s does not support tags", vg->name);
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return ECMD_FAILED;
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}
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if (!archive(vg))
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return ECMD_FAILED;
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if ((arg == addtag_ARG)) {
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if (!str_list_add(cmd->mem, &vg->tags, tag)) {
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log_error("Failed to add tag %s to volume group %s",
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tag, vg->name);
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return ECMD_FAILED;
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}
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} else {
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if (!str_list_del(&vg->tags, tag)) {
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log_error("Failed to remove tag %s from volume group "
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"%s", tag, vg->name);
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return ECMD_FAILED;
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}
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}
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if (!vg_write(vg) || !vg_commit(vg))
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return ECMD_FAILED;
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backup(vg);
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log_print("Volume group \"%s\" successfully changed", vg->name);
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return ECMD_PROCESSED;
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}
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static int _vgchange_uuid(struct cmd_context *cmd __attribute((unused)),
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struct volume_group *vg)
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{
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struct lv_list *lvl;
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if (lvs_in_vg_activated(vg)) {
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log_error("Volume group has active logical volumes");
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return ECMD_FAILED;
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}
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if (!archive(vg))
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return ECMD_FAILED;
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if (!id_create(&vg->id)) {
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log_error("Failed to generate new random UUID for VG %s.",
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vg->name);
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return ECMD_FAILED;
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}
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dm_list_iterate_items(lvl, &vg->lvs) {
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memcpy(&lvl->lv->lvid, &vg->id, sizeof(vg->id));
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}
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if (!vg_write(vg) || !vg_commit(vg))
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return ECMD_FAILED;
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backup(vg);
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log_print("Volume group \"%s\" successfully changed", vg->name);
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return ECMD_PROCESSED;
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}
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static int _vgchange_refresh(struct cmd_context *cmd, struct volume_group *vg)
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{
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log_verbose("Refreshing volume group \"%s\"", vg->name);
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if (!vg_refresh_visible(cmd, vg))
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return ECMD_FAILED;
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return ECMD_PROCESSED;
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}
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static int vgchange_single(struct cmd_context *cmd, const char *vg_name,
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struct volume_group *vg, int consistent,
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void *handle __attribute((unused)))
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{
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int r = ECMD_FAILED;
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if (!(vg_status(vg) & LVM_WRITE) && !arg_count(cmd, available_ARG)) {
|
|
log_error("Volume group \"%s\" is read-only", vg->name);
|
|
return ECMD_FAILED;
|
|
}
|
|
|
|
if (vg_status(vg) & EXPORTED_VG) {
|
|
log_error("Volume group \"%s\" is exported", vg_name);
|
|
return ECMD_FAILED;
|
|
}
|
|
|
|
init_dmeventd_monitor(arg_int_value(cmd, monitor_ARG,
|
|
(is_static() || arg_count(cmd, ignoremonitoring_ARG)) ?
|
|
DMEVENTD_MONITOR_IGNORE : DEFAULT_DMEVENTD_MONITOR));
|
|
|
|
if (arg_count(cmd, available_ARG))
|
|
r = _vgchange_available(cmd, vg);
|
|
|
|
else if (arg_count(cmd, monitor_ARG))
|
|
r = _vgchange_monitoring(cmd, vg);
|
|
|
|
else if (arg_count(cmd, resizeable_ARG))
|
|
r = _vgchange_resizeable(cmd, vg);
|
|
|
|
else if (arg_count(cmd, logicalvolume_ARG))
|
|
r = _vgchange_logicalvolume(cmd, vg);
|
|
|
|
else if (arg_count(cmd, maxphysicalvolumes_ARG))
|
|
r = _vgchange_physicalvolumes(cmd, vg);
|
|
|
|
else if (arg_count(cmd, addtag_ARG))
|
|
r = _vgchange_tag(cmd, vg, addtag_ARG);
|
|
|
|
else if (arg_count(cmd, deltag_ARG))
|
|
r = _vgchange_tag(cmd, vg, deltag_ARG);
|
|
|
|
else if (arg_count(cmd, physicalextentsize_ARG))
|
|
r = _vgchange_pesize(cmd, vg);
|
|
|
|
else if (arg_count(cmd, uuid_ARG))
|
|
r = _vgchange_uuid(cmd, vg);
|
|
|
|
else if (arg_count(cmd, alloc_ARG))
|
|
r = _vgchange_alloc(cmd, vg);
|
|
|
|
else if (arg_count(cmd, clustered_ARG))
|
|
r = _vgchange_clustered(cmd, vg);
|
|
|
|
else if (arg_count(cmd, refresh_ARG))
|
|
r = _vgchange_refresh(cmd, vg);
|
|
|
|
return r;
|
|
}
|
|
|
|
int vgchange(struct cmd_context *cmd, int argc, char **argv)
|
|
{
|
|
if (!
|
|
(arg_count(cmd, available_ARG) + arg_count(cmd, logicalvolume_ARG) +
|
|
arg_count(cmd, maxphysicalvolumes_ARG) +
|
|
arg_count(cmd, resizeable_ARG) + arg_count(cmd, deltag_ARG) +
|
|
arg_count(cmd, addtag_ARG) + arg_count(cmd, uuid_ARG) +
|
|
arg_count(cmd, physicalextentsize_ARG) +
|
|
arg_count(cmd, clustered_ARG) + arg_count(cmd, alloc_ARG) +
|
|
arg_count(cmd, monitor_ARG) + arg_count(cmd, refresh_ARG))) {
|
|
log_error("One of -a, -c, -l, -p, -s, -x, --refresh, "
|
|
"--uuid, --alloc, --addtag or --deltag required");
|
|
return EINVALID_CMD_LINE;
|
|
}
|
|
|
|
/* FIXME Cope with several changes at once! */
|
|
if (arg_count(cmd, available_ARG) + arg_count(cmd, logicalvolume_ARG) +
|
|
arg_count(cmd, maxphysicalvolumes_ARG) +
|
|
arg_count(cmd, resizeable_ARG) + arg_count(cmd, deltag_ARG) +
|
|
arg_count(cmd, addtag_ARG) + arg_count(cmd, alloc_ARG) +
|
|
arg_count(cmd, uuid_ARG) + arg_count(cmd, clustered_ARG) +
|
|
arg_count(cmd, physicalextentsize_ARG) > 1) {
|
|
log_error("Only one of -a, -c, -l, -p, -s, -x, --uuid, "
|
|
"--alloc, --addtag or --deltag allowed");
|
|
return EINVALID_CMD_LINE;
|
|
}
|
|
|
|
if (arg_count(cmd, ignorelockingfailure_ARG) &&
|
|
!arg_count(cmd, available_ARG)) {
|
|
log_error("--ignorelockingfailure only available with -a");
|
|
return EINVALID_CMD_LINE;
|
|
}
|
|
|
|
if (arg_count(cmd, available_ARG) == 1
|
|
&& arg_count(cmd, autobackup_ARG)) {
|
|
log_error("-A option not necessary with -a option");
|
|
return EINVALID_CMD_LINE;
|
|
}
|
|
|
|
return process_each_vg(cmd, argc, argv,
|
|
(arg_count(cmd, available_ARG)) ?
|
|
LCK_VG_READ : LCK_VG_WRITE,
|
|
VG_INCONSISTENT_REPAIR, NULL,
|
|
&vgchange_single);
|
|
}
|