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);
114 edit_int64(mr->PoolId, ed1);
116 * Get Pool record for Scratch Pool
118 memset(&spr, 0, sizeof(spr));
119 bstrncpy(spr.Name, "Scratch", sizeof(spr.Name));
120 if (db_get_pool_record(jcr, jcr->db, &spr)) {
121 edit_int64(spr.PoolId, ed2);
122 bstrncat(ed2, ",", sizeof(ed2));
126 Dmsg1(100, "Scratch pool=%s\n", ed2);
128 * ed2 ends up with scratch poolid and current poolid or
129 * just current poolid if there is no scratch pool
131 bstrncat(ed2, ed1, sizeof(ed2));
134 * Get the List of all media ids in the current Pool or whose
135 * RecyclePoolId is the current pool or the scratch pool
137 const char *select = "SELECT DISTINCT MediaId,LastWritten FROM Media WHERE "
138 "(PoolId=%s OR RecyclePoolId IN (%s)) AND MediaType='%s' %s"
139 "ORDER BY LastWritten ASC,MediaId";
143 /* Ensure it is in this autochanger */
144 bsnprintf(changer, sizeof(changer), "AND InChanger=1 AND StorageId=%s ",
145 edit_int64(mr->StorageId, ed3));
146 Mmsg(query, select, ed1, ed2, mr->MediaType, changer);
148 Mmsg(query, select, ed1, ed2, mr->MediaType, "");
151 Dmsg1(100, "query=%s\n", query.c_str());
152 if (!db_get_query_dbids(ua->jcr, ua->db, query, ids)) {
153 Jmsg(jcr, M_ERROR, 0, "%s", db_strerror(jcr->db));
157 Dmsg1(100, "num_ids=%d\n", ids.num_ids);
159 /* Visit each Volume and Prune it until we find one that is purged */
160 for (i=0; i<ids.num_ids; i++) {
162 memset(&lmr, 0, sizeof(lmr));
163 lmr.MediaId = ids.DBId[i];
164 Dmsg1(100, "Get record MediaId=%d\n", (int)lmr.MediaId);
165 if (!db_get_media_record(jcr, jcr->db, &lmr)) {
166 Jmsg(jcr, M_ERROR, 0, "%s", db_strerror(jcr->db));
169 Dmsg1(100, "Examine vol=%s\n", lmr.VolumeName);
170 /* Don't prune archived volumes */
171 if (lmr.Enabled == 2) {
172 Dmsg1(100, "Vol=%s disabled\n", lmr.VolumeName);
175 /* Prune only Volumes with status "Full", or "Used" */
176 if (strcmp(lmr.VolStatus, "Full") == 0 ||
177 strcmp(lmr.VolStatus, "Used") == 0) {
178 Dmsg2(100, "Add prune list MediaId=%d Volume %s\n", (int)lmr.MediaId, lmr.VolumeName);
179 count = get_prune_list_for_volume(ua, &lmr, &prune_list);
180 Dmsg1(100, "Num pruned = %d\n", count);
182 purge_job_list_from_catalog(ua, prune_list);
183 prune_list.num_ids = 0; /* reset count */
185 if (!is_volume_purged(ua, &lmr)) {
186 Dmsg1(100, "Vol=%s not pruned\n", lmr.VolumeName);
191 * Since we are also pruning the Scratch pool, continue
192 * until and check if this volume is available (InChanger + StorageId)
193 * If not, just skip this volume and try the next one
196 if (!lmr.InChanger || (lmr.StorageId != mr->StorageId)) {
197 Dmsg1(100, "Vol=%s not inchanger or correct StoreId\n", lmr.VolumeName);
198 continue; /* skip this volume, ie not loadable */
202 Dmsg1(100, "Vol=%s not recyclable\n", lmr.VolumeName);
206 if (has_volume_expired(jcr, &lmr)) {
207 Dmsg1(100, "Vol=%s has expired\n", lmr.VolumeName);
208 continue; /* Volume not usable */
212 * If purged and not moved to another Pool,
213 * then we stop pruning and take this volume.
215 if (lmr.PoolId == mr->PoolId) {
216 Dmsg2(100, "Got Vol=%s MediaId=%d purged.\n", lmr.VolumeName, (int)lmr.MediaId);
217 memcpy(mr, &lmr, sizeof(lmr));
218 break; /* got a volume */
221 Dmsg2(100, "Nothing pruned MediaId=%d Volume=%s\n", (int)lmr.MediaId, lmr.VolumeName);
226 Dmsg0(100, "Leave prune volumes\n");
229 if (prune_list.JobId) {
230 free(prune_list.JobId);