* Version $Id$
*/
/*
- Copyright (C) 2001-2005 Kern Sibbald
+ Copyright (C) 2001-2006 Kern Sibbald
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
#include "bacula.h"
#include "dird.h"
+static bool get_scratch_volume(JCR *jcr, MEDIA_DBR *mr, bool InChanger);
+
+
/*
* Items needed:
* mr.PoolId must be set
STORE *store = jcr->store;
bstrncpy(mr->MediaType, store->media_type, sizeof(mr->MediaType));
- Dmsg2(100, "CatReq FindMedia: Id=%d, MediaType=%s\n", (int)mr->PoolId, mr->MediaType);
+ Dmsg2(100, "CatReq FindMedia: PoolId=%d, MediaType=%s\n", (int)mr->PoolId, mr->MediaType);
/*
* If we are using an Autochanger, restrict Volume
* search to the Autochanger on the first pass
*/
ok = db_find_next_volume(jcr, jcr->db, index, InChanger, mr);
Dmsg2(100, "catreq after find_next_vol ok=%d FW=%d\n", ok, mr->FirstWritten);
+
if (!ok) {
/*
* 2. Try finding a recycled volume
*/
prune_volumes(jcr);
ok = recycle_oldest_purged_volume(jcr, InChanger, mr);
+ if (!ok) {
+ /*
+ * 5. Try pulling a volume from the Scratch pool
+ */
+ ok = get_scratch_volume(jcr, mr, InChanger);
+ }
+ /*
+ * If we are using an Autochanger and have not found
+ * a volume, retry looking for any volume.
+ */
if (InChanger) {
InChanger = false;
if (!ok) {
continue; /* retry again accepting any volume */
}
}
- Dmsg2(200, "find_recycled_volume2 %d FW=%d\n", ok, mr->FirstWritten);
- if (!ok && create) {
- /*
- * 5. Try "creating" a new Volume
- */
- ok = newVolume(jcr, mr);
- }
}
}
- if (!ok) {
- MEDIA_DBR smr;
- POOL_DBR pr;
- POOLMEM *query;
- char ed1[50], ed2[50];
+
+ if (!ok && create) {
/*
- * 6. Try pulling a volume from the Scratch pool
- */
- memset(&pr, 0, sizeof(pr));
- bstrncpy(pr.Name, "Scratch", sizeof(pr.Name));
- if (db_get_pool_record(jcr, jcr->db, &pr)) {
- memset(&smr, 0, sizeof(smr));
- smr.PoolId = pr.PoolId;
- bstrncpy(smr.VolStatus, "Append", sizeof(smr.VolStatus)); /* want only appendable volumes */
- bstrncpy(smr.MediaType, mr->MediaType, sizeof(smr.MediaType));
- if (db_find_next_volume(jcr, jcr->db, 1, InChanger, &smr)) {
- query = get_pool_memory(PM_MESSAGE);
- db_lock(jcr->db);
- Mmsg(query, "UPDATE Media SET PoolId=%s WHERE MediaId=%s",
- edit_int64(mr->PoolId, ed1),
- edit_int64(smr.MediaId, ed2));
- ok = db_sql_query(jcr->db, query, NULL, NULL);
- db_unlock(jcr->db);
- Jmsg(jcr, M_INFO, 0, _("Using Volume \"%s\" from 'Scratch' pool.\n"),
- smr.VolumeName);
- /* Set new Pool Id in smr record, then copy it to mr */
- smr.PoolId = mr->PoolId;
- memcpy(mr, &smr, sizeof(MEDIA_DBR));
- }
- }
+ * 6. Try "creating" a new Volume
+ */
+ ok = newVolume(jcr, mr);
}
/*
* Look at more drastic ways to find an Appendable Volume
UAContext *ua;
Dmsg0(400, "Try purge.\n");
/*
- * 5. Try to purging oldest volume only if not UA calling us.
+ * 7. Try to purging oldest volume only if not UA calling us.
*/
ua = new_ua_context(jcr);
if (jcr->pool->purge_oldest_volume && create) {
Jmsg(jcr, M_INFO, 0, _("Purging oldest volume \"%s\"\n"), mr->VolumeName);
ok = purge_jobs_from_volume(ua, mr);
/*
- * 5. or try recycling the oldest volume
+ * 8. or try recycling the oldest volume
*/
} else if (jcr->pool->recycle_oldest_volume) {
Jmsg(jcr, M_INFO, 0, _("Pruning oldest volume \"%s\"\n"), mr->VolumeName);
}
} else {
*reason = _("but should be Append, Purged or Recycle (cannot automatically "
- "recycle current volume, as it still contains unpruned data)");
+ "recycle current volume, as it still contains unpruned data "
+ "or the Volume Retention time has not expired.)");
}
}
}
+
+static pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER;
+
+static bool get_scratch_volume(JCR *jcr, MEDIA_DBR *mr, bool InChanger)
+{
+ MEDIA_DBR smr;
+ POOL_DBR spr, pr;
+ bool ok = false;
+ char ed1[50], ed2[50];
+
+ /* Only one thread at a time can pull from the scratch pool */
+ P(mutex);
+ /*
+ * Get Pool record for Scratch Pool
+ */
+ memset(&spr, 0, sizeof(spr));
+ bstrncpy(spr.Name, "Scratch", sizeof(spr.Name));
+ if (db_get_pool_record(jcr, jcr->db, &spr)) {
+ memset(&smr, 0, sizeof(smr));
+ smr.PoolId = spr.PoolId;
+ if (InChanger) {
+ smr.StorageId = mr->StorageId; /* want only Scratch Volumes in changer */
+ }
+ bstrncpy(smr.VolStatus, "Append", sizeof(smr.VolStatus)); /* want only appendable volumes */
+ bstrncpy(smr.MediaType, mr->MediaType, sizeof(smr.MediaType));
+ if (db_find_next_volume(jcr, jcr->db, 1, InChanger, &smr)) {
+ POOL_MEM query(PM_MESSAGE);
+
+ /*
+ * Get pool record where the Scratch Volume will go to ensure
+ * that we can add a Volume.
+ */
+ memset(&pr, 0, sizeof(pr));
+ bstrncpy(pr.Name, jcr->pool->hdr.name, sizeof(pr.Name));
+ if (!db_get_pool_record(jcr, jcr->db, &pr)) {
+ Jmsg(jcr, M_WARNING, 0, _("Unable to get Pool record: ERR=%s"),
+ db_strerror(jcr->db));
+ goto bail_out;
+ }
+ if (pr.MaxVols > 0 && pr.NumVols >= pr.MaxVols) {
+ Jmsg(jcr, M_WARNING, 0, _("Unable add Scratch Volume, Pool \"%s\" full MaxVols=%d\n"),
+ jcr->pool->hdr.name, pr.MaxVols);
+ goto bail_out;
+ }
+
+ /* OK, now move Scratch Volume */
+ db_lock(jcr->db);
+ Mmsg(query, "UPDATE Media SET PoolId=%s WHERE MediaId=%s",
+ edit_int64(mr->PoolId, ed1),
+ edit_int64(smr.MediaId, ed2));
+ ok = db_sql_query(jcr->db, query.c_str(), NULL, NULL);
+ db_unlock(jcr->db);
+ if (!ok) {
+ Jmsg(jcr, M_WARNING, 0, _("Failed to move Scratch Volume. ERR=%s\n"),
+ db_strerror(jcr->db));
+ goto bail_out;
+ }
+ Jmsg(jcr, M_INFO, 0, _("Using Volume \"%s\" from 'Scratch' pool.\n"),
+ smr.VolumeName);
+ /* Set new Pool Id in smr record, then copy it to mr */
+ smr.PoolId = mr->PoolId;
+ memcpy(mr, &smr, sizeof(MEDIA_DBR));
+ /* Set default parameters from current pool */
+ set_pool_dbr_defaults_in_media_dbr(mr, &pr);
+ if (!db_update_media_record(jcr, jcr->db, mr)) {
+ Jmsg(jcr, M_WARNING, 0, _("Unable to update Volume record: ERR=%s"),
+ db_strerror(jcr->db));
+ ok = false;
+ }
+ }
+ }
+bail_out:
+ V(mutex);
+ return ok;
+}
projects / bacula / bacula / blobdiff