2 Bacula® - The Network Backup Solution
4 Copyright (C) 2002-2012 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 three of the GNU Affero 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 Affero 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 Kern Sibbald.
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
41 /* Forward referenced functions */
45 * Auto Prune Jobs and Files. This is called at the end of every
46 * Job. We do not prune volumes here.
48 void do_autoprune(JCR *jcr)
55 if (!jcr->client) { /* temp -- remove me */
59 ua = new_ua_context(jcr);
63 if (jcr->job->PruneJobs || jcr->client->AutoPrune) {
64 prune_jobs(ua, client, pool, jcr->getJobType());
70 if (jcr->job->PruneFiles || jcr->client->AutoPrune) {
71 prune_files(ua, client, pool);
75 Jmsg(jcr, M_INFO, 0, _("End auto prune.\n\n"));
82 * Prune at least one Volume in current Pool. This is called from
83 * catreq.c => next_vol.c when the Storage daemon is asking for another
84 * volume and no appendable volumes are available.
87 void prune_volumes(JCR *jcr, bool InChanger, MEDIA_DBR *mr,
93 struct del_ctx prune_list;
94 POOL_MEM query(PM_MESSAGE);
96 char ed1[50], ed2[100], ed3[50];
99 Dmsg1(100, "Prune volumes PoolId=%d\n", jcr->jr.PoolId);
100 if (!jcr->job->PruneVolumes && !jcr->pool->AutoPrune) {
101 Dmsg0(100, "AutoPrune not set in Pool.\n");
105 memset(&prune_list, 0, sizeof(prune_list));
106 prune_list.max_ids = 10000;
107 prune_list.JobId = (JobId_t *)malloc(sizeof(JobId_t) * prune_list.max_ids);
109 ua = new_ua_context(jcr);
113 edit_int64(mr->PoolId, ed1);
115 * Get Pool record for Scratch Pool
117 memset(&spr, 0, sizeof(spr));
118 bstrncpy(spr.Name, "Scratch", sizeof(spr.Name));
119 if (db_get_pool_record(jcr, jcr->db, &spr)) {
120 edit_int64(spr.PoolId, ed2);
121 bstrncat(ed2, ",", sizeof(ed2));
126 if (mr->ScratchPoolId) {
127 edit_int64(mr->ScratchPoolId, ed3);
128 bstrncat(ed2, ed3, sizeof(ed2));
129 bstrncat(ed2, ",", sizeof(ed2));
132 Dmsg1(100, "Scratch pool(s)=%s\n", ed2);
134 * ed2 ends up with scratch poolid and current poolid or
135 * just current poolid if there is no scratch pool
137 bstrncat(ed2, ed1, sizeof(ed2));
140 * Get the List of all media ids in the current Pool or whose
141 * RecyclePoolId is the current pool or the scratch pool
143 const char *select = "SELECT DISTINCT MediaId,LastWritten FROM Media WHERE "
144 "(PoolId=%s OR RecyclePoolId IN (%s)) AND MediaType='%s' %s"
145 "ORDER BY LastWritten ASC,MediaId";
149 /* Ensure it is in this autochanger */
150 bsnprintf(changer, sizeof(changer), "AND InChanger=1 AND StorageId=%s ",
151 edit_int64(mr->StorageId, ed3));
152 Mmsg(query, select, ed1, ed2, mr->MediaType, changer);
154 Mmsg(query, select, ed1, ed2, mr->MediaType, "");
157 Dmsg1(100, "query=%s\n", query.c_str());
158 if (!db_get_query_dbids(ua->jcr, ua->db, query, ids)) {
159 Jmsg(jcr, M_ERROR, 0, "%s", db_strerror(jcr->db));
163 Dmsg1(100, "Volume prune num_ids=%d\n", ids.num_ids);
165 /* Visit each Volume and Prune it until we find one that is purged */
166 for (i=0; i<ids.num_ids; i++) {
168 lmr.MediaId = ids.DBId[i];
169 Dmsg1(100, "Get record MediaId=%d\n", (int)lmr.MediaId);
170 if (!db_get_media_record(jcr, jcr->db, &lmr)) {
171 Jmsg(jcr, M_ERROR, 0, "%s", db_strerror(jcr->db));
174 Dmsg1(100, "Examine vol=%s\n", lmr.VolumeName);
175 /* Don't prune archived volumes */
176 if (lmr.Enabled == 2) {
177 Dmsg1(100, "Vol=%s disabled\n", lmr.VolumeName);
180 /* Prune only Volumes with status "Full", or "Used" */
181 if (strcmp(lmr.VolStatus, "Full") == 0 ||
182 strcmp(lmr.VolStatus, "Used") == 0) {
183 Dmsg2(100, "Add prune list MediaId=%d Volume %s\n", (int)lmr.MediaId, lmr.VolumeName);
184 count = get_prune_list_for_volume(ua, &lmr, &prune_list);
185 Dmsg1(100, "Num pruned = %d\n", count);
187 purge_job_list_from_catalog(ua, prune_list);
188 prune_list.num_ids = 0; /* reset count */
190 if (!is_volume_purged(ua, &lmr)) {
191 Dmsg1(050, "Vol=%s not pruned\n", lmr.VolumeName);
194 Dmsg1(050, "Vol=%s is purged\n", lmr.VolumeName);
197 * Since we are also pruning the Scratch pool, continue
198 * until and check if this volume is available (InChanger + StorageId)
199 * If not, just skip this volume and try the next one
202 if (!lmr.InChanger || (lmr.StorageId != mr->StorageId)) {
203 Dmsg1(100, "Vol=%s not inchanger or correct StoreId\n", lmr.VolumeName);
204 continue; /* skip this volume, ie not loadable */
208 Dmsg1(100, "Vol=%s not recyclable\n", lmr.VolumeName);
212 if (has_volume_expired(jcr, &lmr)) {
213 Dmsg1(100, "Vol=%s has expired\n", lmr.VolumeName);
214 continue; /* Volume not usable */
218 * If purged and not moved to another Pool,
219 * then we stop pruning and take this volume.
221 if (lmr.PoolId == mr->PoolId) {
222 Dmsg2(100, "Got Vol=%s MediaId=%d purged.\n", lmr.VolumeName, (int)lmr.MediaId);
224 set_storageid_in_mr(store, mr);
225 break; /* got a volume */
231 Dmsg0(100, "Leave prune volumes\n");
234 if (prune_list.JobId) {
235 free(prune_list.JobId);