2 Bacula® - The Network Backup Solution
4 Copyright (C) 2002-2008 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 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
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->get_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.
88 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));
125 Dmsg1(100, "Scratch pool=%s\n", ed2);
127 * ed2 ends up with scratch poolid and current poolid or
128 * just current poolid if there is no scratch pool
130 bstrncat(ed2, ed1, sizeof(ed2));
133 * Get the List of all media ids in the current Pool or whose
134 * RecyclePoolId is the current pool or the scratch pool
136 const char *select = "SELECT DISTINCT MediaId,LastWritten FROM Media WHERE "
137 "(PoolId=%s OR RecyclePoolId IN (%s)) AND MediaType='%s' %s"
138 "ORDER BY LastWritten ASC,MediaId";
142 /* Ensure it is in this autochanger */
143 bsnprintf(changer, sizeof(changer), "AND InChanger=1 AND StorageId=%s ",
144 edit_int64(mr->StorageId, ed3));
145 Mmsg(query, select, ed1, ed2, mr->MediaType, changer);
147 Mmsg(query, select, ed1, ed2, mr->MediaType, "");
150 Dmsg1(100, "query=%s\n", query.c_str());
151 if (!db_get_query_dbids(ua->jcr, ua->db, query, ids)) {
152 Jmsg(jcr, M_ERROR, 0, "%s", db_strerror(jcr->db));
156 Dmsg1(100, "Volume prune num_ids=%d\n", ids.num_ids);
158 /* Visit each Volume and Prune it until we find one that is purged */
159 for (i=0; i<ids.num_ids; i++) {
161 memset(&lmr, 0, sizeof(lmr));
162 lmr.MediaId = ids.DBId[i];
163 Dmsg1(100, "Get record MediaId=%d\n", (int)lmr.MediaId);
164 if (!db_get_media_record(jcr, jcr->db, &lmr)) {
165 Jmsg(jcr, M_ERROR, 0, "%s", db_strerror(jcr->db));
168 Dmsg1(100, "Examine vol=%s\n", lmr.VolumeName);
169 /* Don't prune archived volumes */
170 if (lmr.Enabled == 2) {
171 Dmsg1(100, "Vol=%s disabled\n", lmr.VolumeName);
174 /* Prune only Volumes with status "Full", or "Used" */
175 if (strcmp(lmr.VolStatus, "Full") == 0 ||
176 strcmp(lmr.VolStatus, "Used") == 0) {
177 Dmsg2(100, "Add prune list MediaId=%d Volume %s\n", (int)lmr.MediaId, lmr.VolumeName);
178 count = get_prune_list_for_volume(ua, &lmr, &prune_list);
179 Dmsg1(100, "Num pruned = %d\n", count);
181 purge_job_list_from_catalog(ua, prune_list);
182 prune_list.num_ids = 0; /* reset count */
184 if (!is_volume_purged(ua, &lmr)) {
185 Dmsg1(100, "Vol=%s not pruned\n", lmr.VolumeName);
190 * Since we are also pruning the Scratch pool, continue
191 * until and check if this volume is available (InChanger + StorageId)
192 * If not, just skip this volume and try the next one
195 if (!lmr.InChanger || (lmr.StorageId != mr->StorageId)) {
196 Dmsg1(100, "Vol=%s not inchanger or correct StoreId\n", lmr.VolumeName);
197 continue; /* skip this volume, ie not loadable */
201 Dmsg1(100, "Vol=%s not recyclable\n", lmr.VolumeName);
205 if (has_volume_expired(jcr, &lmr)) {
206 Dmsg1(100, "Vol=%s has expired\n", lmr.VolumeName);
207 continue; /* Volume not usable */
211 * If purged and not moved to another Pool,
212 * then we stop pruning and take this volume.
214 if (lmr.PoolId == mr->PoolId) {
215 Dmsg2(100, "Got Vol=%s MediaId=%d purged.\n", lmr.VolumeName, (int)lmr.MediaId);
216 memcpy(mr, &lmr, sizeof(lmr));
217 break; /* got a volume */
223 Dmsg0(100, "Leave prune volumes\n");
226 if (prune_list.JobId) {
227 free(prune_list.JobId);