2 Bacula® - The Network Backup Solution
4 Copyright (C) 2002-2007 Free Software Foundation Europe e.V.
6 The main author of Bacula is Kern Sibbald, with contributions from
7 many others, a complete list can be found in the file AUTHORS.
8 This program is Free Software; you can redistribute it and/or
9 modify it under the terms of version two of the GNU General Public
10 License as published by the Free Software Foundation and included
13 This program is distributed in the hope that it will be useful, but
14 WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with this program; if not, write to the Free Software
20 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
23 Bacula® is a registered trademark of John Walker.
24 The licensor of Bacula is the Free Software Foundation Europe
25 (FSFE), Fiduciary Program, Sumatrastrasse 25, 8006 Zürich,
26 Switzerland, email:ftf@fsfeurope.org.
30 * Bacula Director -- Automatic Pruning
31 * Applies retention periods
33 * Kern Sibbald, May MMII
42 /* Forward referenced functions */
46 * Auto Prune Jobs and Files. This is called at the end of every
47 * Job. We do not prune volumes here.
49 void do_autoprune(JCR *jcr)
55 if (!jcr->client) { /* temp -- remove me */
59 ua = new_ua_context(jcr);
62 if (jcr->job->PruneJobs || jcr->client->AutoPrune) {
63 Jmsg(jcr, M_INFO, 0, _("Begin pruning Jobs.\n"));
64 prune_jobs(ua, client, jcr->JobType);
70 if (jcr->job->PruneFiles || jcr->client->AutoPrune) {
71 Jmsg(jcr, M_INFO, 0, _("Begin pruning Files.\n"));
72 prune_files(ua, client);
76 Jmsg(jcr, M_INFO, 0, _("End auto prune.\n\n"));
83 * Prune at least one Volume in current Pool. This is called from
84 * catreq.c => next_vol.c when the Storage daemon is asking for another
85 * volume and no appendable volumes are available.
87 * Return: false if nothing pruned
88 * true if pruned, and mr is set to pruned volume
90 bool prune_volumes(JCR *jcr, bool InChanger, MEDIA_DBR *mr)
95 struct del_ctx prune_list;
96 POOL_MEM query(PM_MESSAGE);
99 char ed1[50], ed2[100], ed3[50];
102 Dmsg1(050, "Prune volumes PoolId=%d\n", jcr->jr.PoolId);
103 if (!jcr->job->PruneVolumes && !jcr->pool->AutoPrune) {
104 Dmsg0(100, "AutoPrune not set in Pool.\n");
108 memset(&prune_list, 0, sizeof(prune_list));
109 prune_list.max_ids = 10000;
110 prune_list.JobId = (JobId_t *)malloc(sizeof(JobId_t) * prune_list.max_ids);
112 ua = new_ua_context(jcr);
117 edit_int64(mr->PoolId, ed1);
119 * Get Pool record for Scratch Pool
121 memset(&spr, 0, sizeof(spr));
122 bstrncpy(spr.Name, "Scratch", sizeof(spr.Name));
123 if (db_get_pool_record(jcr, jcr->db, &spr)) {
124 edit_int64(spr.PoolId, ed2);
125 bstrncat(ed2, ",", sizeof(ed2));
129 Dmsg1(050, "Scratch pool=%s\n", ed2);
131 * ed2 ends up with scratch poolid and current poolid or
132 * just current poolid if there is no scratch pool
134 bstrncat(ed2, ed1, sizeof(ed2));
137 * Get the List of all media ids in the current Pool or whose
138 * RecyclePoolId is the current pool or the scratch pool
140 const char *select = "SELECT DISTINCT MediaId,LastWritten FROM Media WHERE "
141 "(PoolId=%s OR RecyclePoolId IN (%s)) AND MediaType='%s' %s"
142 "ORDER BY LastWritten ASC,MediaId";
146 /* Ensure it is in this autochanger */
147 bsnprintf(changer, sizeof(changer), "AND InChanger=1 AND StorageId=%s ",
148 edit_int64(mr->StorageId, ed3));
149 Mmsg(query, select, ed1, ed2, mr->MediaType, changer);
151 Mmsg(query, select, ed1, ed2, mr->MediaType, "");
154 Dmsg1(050, "query=%s\n", query.c_str());
155 if (!db_get_query_dbids(ua->jcr, ua->db, query, ids)) {
156 Jmsg(jcr, M_ERROR, 0, "%s", db_strerror(jcr->db));
160 Dmsg1(050, "num_ids=%d\n", ids.num_ids);
162 /* Visit each Volume and Prune it until we find one that is purged */
163 for (i=0; i<ids.num_ids; i++) {
165 memset(&lmr, 0, sizeof(lmr));
166 lmr.MediaId = ids.DBId[i];
167 Dmsg1(050, "Get record MediaId=%d\n", (int)lmr.MediaId);
168 if (!db_get_media_record(jcr, jcr->db, &lmr)) {
169 Jmsg(jcr, M_ERROR, 0, "%s", db_strerror(jcr->db));
172 /* Don't prune archived volumes */
173 if (lmr.Enabled == 2) {
176 /* Prune only Volumes with status "Full", or "Used" */
177 if (strcmp(lmr.VolStatus, "Full") == 0 ||
178 strcmp(lmr.VolStatus, "Used") == 0) {
179 Dmsg2(050, "Add prune list MediaId=%d Volume %s\n", (int)lmr.MediaId, lmr.VolumeName);
180 count = get_prune_list_for_volume(ua, &lmr, &prune_list);
181 Dmsg1(050, "Num pruned = %d\n", count);
183 purge_job_list_from_catalog(ua, prune_list);
184 prune_list.num_ids = 0; /* reset count */
186 ok = is_volume_purged(ua, &lmr);
188 * If purged and not moved to another Pool,
189 * then we stop pruning and take this volume.
191 if (ok && lmr.PoolId == mr->PoolId) {
192 Dmsg2(050, "Vol=%s MediaId=%d purged.\n", lmr.VolumeName, (int)lmr.MediaId);
193 mr = &lmr; /* struct copy */
194 break; /* got a volume */
197 * We purged something but did not get a volume in the current pool.
198 * It must be a scratch volume, so try to get it.
200 if (ok && get_scratch_volume(jcr, InChanger, mr)) {
201 break; /* got a volume */
203 ok = false; /* clear OK, in case we fall out */
205 Dmsg2(050, "Nothing pruned MediaId=%d Volume=%s\n", (int)lmr.MediaId, lmr.VolumeName);
212 if (prune_list.JobId) {
213 free(prune_list.JobId);