X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=bacula%2Fsrc%2Fstored%2Fmount.c;h=ddc2b5d58f4a4dd42a7f5a5c6bf0b752b6ec541b;hb=9326b2fd753cf4a714d40d5c190ba04b16261510;hp=5e642ff0bb912e96832545287ff5c2db64f74fd2;hpb=1b4996462095064a8a88204f2aee3185f9d74055;p=bacula%2Fbacula diff --git a/bacula/src/stored/mount.c b/bacula/src/stored/mount.c index 5e642ff0bb..ddc2b5d58f 100644 --- a/bacula/src/stored/mount.c +++ b/bacula/src/stored/mount.c @@ -8,7 +8,7 @@ * Version $Id$ */ /* - Copyright (C) 2002-2005 Kern Sibbald + Copyright (C) 2002-2006 Kern Sibbald This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License @@ -26,6 +26,14 @@ #include "stored.h" /* pull in Storage Deamon headers */ static void mark_volume_not_inchanger(DCR *dcr); +static int try_autolabel(DCR *dcr); + +enum { + try_next_vol = 1, + try_read_vol, + try_error, + try_default +}; /* * If release is set, we rewind the current volume, @@ -47,8 +55,10 @@ bool mount_next_write_volume(DCR *dcr, bool release) DEVICE *dev = dcr->dev; JCR *jcr = dcr->jcr; DEV_BLOCK *block = dcr->block; + int mode; - Dmsg1(150, "Enter mount_next_volume(release=%d)\n", release); + Dmsg2(150, "Enter mount_next_volume(release=%d) dev=%s\n", release, + dev->print_name()); init_device_wait_timers(dcr); @@ -58,6 +68,7 @@ bool mount_next_write_volume(DCR *dcr, bool release) * Volume, ...) */ mount_next_vol: + Dmsg1(150, "mount_next_vol retry=%d\n", retry); /* Ignore retry if this is poll request */ if (!dev->poll && retry++ > 4) { /* Last ditch effort before giving up, force operator to respond */ @@ -122,12 +133,12 @@ mount_next_vol: * and read the label. If there is no tape in the drive, * we will err, recurse and ask the operator the next time. */ - if (!release && dev->is_tape() && dev_cap(dev, CAP_AUTOMOUNT)) { + if (!release && dev->is_tape() && dev->has_cap(CAP_AUTOMOUNT)) { Dmsg0(150, "(1)Ask=0\n"); ask = false; /* don't ask SYSOP this time */ } /* Don't ask if not removable */ - if (!dev_cap(dev, CAP_REM)) { + if (!dev->is_removable()) { Dmsg0(150, "(2)Ask=0\n"); ask = false; } @@ -143,15 +154,30 @@ mount_next_vol: } Dmsg1(150, "want vol=%s\n", dcr->VolumeName); - if (dev->poll && dev_cap(dev, CAP_CLOSEONPOLL)) { - force_close_device(dev); + if (dev->poll && dev->has_cap(CAP_CLOSEONPOLL)) { + dev->close(); } /* Ensure the device is open */ - if (!open_device(dcr)) { + if (dev_cap(dev, CAP_STREAM)) { + mode = OPEN_WRITE_ONLY; + } else { + mode = OPEN_READ_WRITE; + } + while (dev->open(dcr, mode) < 0) { + Dmsg1(150, "open_device failed: ERR=%s\n", dev->bstrerror()); + if (dev->is_file() && dev->is_removable()) { + Dmsg0(150, "call scan_dir_for_vol\n"); + if (dev->scan_dir_for_volume(dcr)) { + break; /* got a valid volume */ + } + } + if (try_autolabel(dcr) == try_read_vol) { + break; /* created a new volume label */ + } /* If DVD, ignore the error, very often you cannot open the device * (when there is no DVD, or when the one inserted is a wrong one) */ - if ((dev->poll) || (dev->is_dvd())) { + if (dev->poll || dev->is_dvd() || dev->is_removable()) { goto mount_next_vol; } else { return false; @@ -166,9 +192,9 @@ read_volume: * If we are writing to a stream device, ASSUME the volume label * is correct. */ - if (dev_cap(dev, CAP_STREAM)) { + if (dev->has_cap(CAP_STREAM)) { vol_label_status = VOL_OK; - create_volume_label(dev, dcr->VolumeName, "Default"); + create_volume_label(dev, dcr->VolumeName, "Default", false /* not DVD */); dev->VolHdr.LabelType = PRE_LABEL; } else { vol_label_status = read_dev_volume_label(dcr); @@ -190,10 +216,10 @@ read_volume: recycle = strcmp(dev->VolCatInfo.VolCatStatus, "Recycle") == 0; break; /* got a Volume */ case VOL_NAME_ERROR: - VOLUME_CAT_INFO VolCatInfo, devVolCatInfo; + VOLUME_CAT_INFO dcrVolCatInfo, devVolCatInfo; /* If not removable, Volume is broken */ - if (!dev_cap(dev, CAP_REM)) { + if (!dev->is_removable()) { Jmsg(jcr, M_WARNING, 0, _("Volume \"%s\" not on device %s.\n"), dcr->VolumeName, dev->print_name()); mark_volume_in_error(dcr); @@ -204,8 +230,7 @@ read_volume: /* If polling and got a previous bad name, ignore it */ if (dev->poll && strcmp(dev->BadVolName, dev->VolHdr.VolumeName) == 0) { ask = true; - Dmsg1(200, "Vol Name error supress due to poll. Name=%s\n", - dcr->VolumeName); + Dmsg1(200, "Vol Name error supress due to poll. Name=%s\n", dcr->VolumeName); goto mount_next_vol; } /* @@ -214,7 +239,7 @@ read_volume: * this volume is really OK. If not, put back the desired * volume name, mark it not in changer and continue. */ - memcpy(&VolCatInfo, &dcr->VolCatInfo, sizeof(VolCatInfo)); + memcpy(&dcrVolCatInfo, &dcr->VolCatInfo, sizeof(dcrVolCatInfo)); memcpy(&devVolCatInfo, &dev->VolCatInfo, sizeof(devVolCatInfo)); /* Check if this is a valid Volume in the pool */ bstrncpy(dcr->VolumeName, dev->VolHdr.VolumeName, sizeof(dcr->VolumeName)); @@ -223,6 +248,11 @@ read_volume: /* This gets the info regardless of the Pool */ bstrncpy(dcr->VolumeName, dev->VolHdr.VolumeName, sizeof(dcr->VolumeName)); if (autochanger && !dir_get_volume_info(dcr, GET_VOL_INFO_FOR_READ)) { + /* + * If we get here, we know we cannot write on the Volume, + * and we know that we cannot read it either, so it + * is not in the autochanger. + */ mark_volume_not_inchanger(dcr); } memcpy(&dev->VolCatInfo, &devVolCatInfo, sizeof(dev->VolCatInfo)); @@ -230,12 +260,15 @@ read_volume: Jmsg(jcr, M_WARNING, 0, _("Director wanted Volume \"%s\".\n" " Current Volume \"%s\" not acceptable because:\n" " %s"), - VolCatInfo.VolCatName, dev->VolHdr.VolumeName, + dcrVolCatInfo.VolCatName, dev->VolHdr.VolumeName, jcr->dir_bsock->msg); ask = true; + /* Restore saved DCR before continuing */ + memcpy(&dcr->VolCatInfo, &dcrVolCatInfo, sizeof(dcr->VolCatInfo)); goto mount_next_vol; } - /* This was not the volume we expected, but it is OK with + /* + * This was not the volume we expected, but it is OK with * the Director, so use it. */ Dmsg1(150, "want new name=%s\n", dcr->VolumeName); @@ -253,52 +286,21 @@ read_volume: } /* Fall through wanted */ case VOL_NO_LABEL: - /* - * If permitted, we label the device, make sure we can do - * it by checking that the VolCatBytes is zero => not labeled, - * once the Volume is labeled we don't want to label another - * blank tape with the same name. For disk, we go ahead and - * label it anyway, because the OS insures that there is only - * one Volume with that name. - * As noted above, at this point dcr->VolCatInfo has what - * the Director wants and dev->VolCatInfo has info on the - * previous tape (or nothing). - */ - if (dev_cap(dev, CAP_LABEL) && (dcr->VolCatInfo.VolCatBytes == 0 || - (!dev->is_tape() && strcmp(dcr->VolCatInfo.VolCatStatus, - "Recycle") == 0))) { - Dmsg0(150, "Create volume label\n"); - /* Create a new Volume label and write it to the device */ - if (!write_new_volume_label_to_dev(dcr, dcr->VolumeName, - dcr->pool_name)) { - Dmsg0(150, "!write_vol_label\n"); - mark_volume_in_error(dcr); - goto mount_next_vol; - } - Dmsg0(150, "dir_update_vol_info. Set Append\n"); - /* Copy Director's info into the device info */ - memcpy(&dev->VolCatInfo, &dcr->VolCatInfo, sizeof(dev->VolCatInfo)); - if (!dir_update_volume_info(dcr, true)) { /* indicate tape labeled */ - return false; - } - Jmsg(jcr, M_INFO, 0, _("Labeled new Volume \"%s\" on device %s.\n"), - dcr->VolumeName, dev->print_name()); - goto read_volume; /* read label we just wrote */ - } - if (!dev_cap(dev, CAP_LABEL) && dcr->VolCatInfo.VolCatBytes == 0) { - Jmsg(jcr, M_INFO, 0, _("Warning device %s not configured to autolabel Volumes.\n"), - dev->print_name()); - } - /* If not removable, Volume is broken */ - if (!dev_cap(dev, CAP_REM)) { - Jmsg(jcr, M_WARNING, 0, _("Volume \"%s\" not on device %s.\n"), - dcr->VolumeName, dev->print_name()); - mark_volume_in_error(dcr); + switch (try_autolabel(dcr)) { + case try_next_vol: goto mount_next_vol; + case try_read_vol: + goto read_volume; + case try_error: + return false; + case try_default: + break; } + /* NOTE! Fall-through wanted. */ case VOL_NO_MEDIA: default: + Dmsg0(200, "VOL_NO_MEDIA or default.\n"); /* Send error message */ if (!dev->poll) { } else { @@ -307,7 +309,7 @@ read_volume: ask = true; /* Needed, so the medium can be changed */ if (dev->requires_mount()) { - close_device(dev); + dev->close(); } goto mount_next_vol; } @@ -339,25 +341,41 @@ read_volume: Dmsg0(200, "Device previously written, moving to end of data\n"); Jmsg(jcr, M_INFO, 0, _("Volume \"%s\" previously written, moving to end of data.\n"), dcr->VolumeName); - if (!eod_dev(dev)) { + if (!dev->eod(dcr)) { Jmsg(jcr, M_ERROR, 0, _("Unable to position to end of data on device %s: ERR=%s\n"), - dev->print_name(), strerror_dev(dev)); + dev->print_name(), dev->bstrerror()); mark_volume_in_error(dcr); goto mount_next_vol; } + if (dev->is_dvd()) { + char ed1[50], ed2[50]; + if (dev->VolCatInfo.VolCatBytes == dev->part_start + dev->part_size) { + Jmsg(jcr, M_INFO, 0, _("Ready to append to end of Volume \"%s\"" + " part=%d size=%s\n"), dcr->VolumeName, + dev->part, edit_uint64(dev->VolCatInfo.VolCatBytes,ed1)); + } else { + Jmsg(jcr, M_ERROR, 0, _("I cannot write on Volume \"%s\" because: " + "The sizes do not match! Volume=%s Catalog=%s\n"), + dcr->VolumeName, + edit_uint64(dev->part_start + dev->part_size, ed1), + edit_uint64(dev->VolCatInfo.VolCatBytes, ed2)); + mark_volume_in_error(dcr); + goto mount_next_vol; + } + } /* *****FIXME**** we should do some checking for files too */ if (dev->is_tape()) { /* * Check if we are positioned on the tape at the same place * that the database says we should be. */ - if (dev->VolCatInfo.VolCatFiles == dev_file(dev)) { + if (dev->VolCatInfo.VolCatFiles == dev->get_file()) { Jmsg(jcr, M_INFO, 0, _("Ready to append to end of Volume \"%s\" at file=%d.\n"), - dcr->VolumeName, dev_file(dev)); + dcr->VolumeName, dev->get_file()); } else { Jmsg(jcr, M_ERROR, 0, _("I cannot write on Volume \"%s\" because:\n" -"The number of files mismatch! Volume=%u Catalog=%u\n"), - dcr->VolumeName, dev_file(dev), dev->VolCatInfo.VolCatFiles); + "The number of files mismatch! Volume=%u Catalog=%u\n"), + dcr->VolumeName, dev->get_file(), dev->VolCatInfo.VolCatFiles); mark_volume_in_error(dcr); goto mount_next_vol; } @@ -401,10 +419,60 @@ read_volume: empty_block(block); /* we used it for reading so set for write */ } dev->set_append(); - Dmsg0(150, "set APPEND, normal return from read_dev_for_append\n"); + Dmsg1(150, "set APPEND, normal return from mount_next_write_volume. dev=%s\n", + dev->print_name()); + return true; } +/* + * If permitted, we label the device, make sure we can do + * it by checking that the VolCatBytes is zero => not labeled, + * once the Volume is labeled we don't want to label another + * blank tape with the same name. For disk, we go ahead and + * label it anyway, because the OS insures that there is only + * one Volume with that name. + * As noted above, at this point dcr->VolCatInfo has what + * the Director wants and dev->VolCatInfo has info on the + * previous tape (or nothing). + */ +static int try_autolabel(DCR *dcr) +{ + DEVICE *dev = dcr->dev; + if (dev->has_cap(CAP_LABEL) && (dcr->VolCatInfo.VolCatBytes == 0 || + (!dev->is_tape() && strcmp(dcr->VolCatInfo.VolCatStatus, + "Recycle") == 0))) { + Dmsg0(150, "Create volume label\n"); + /* Create a new Volume label and write it to the device */ + if (!write_new_volume_label_to_dev(dcr, dcr->VolumeName, + dcr->pool_name, false, /* no relabel */ false /* defer DVD label */)) { + Dmsg0(150, "!write_vol_label\n"); + mark_volume_in_error(dcr); + return try_next_vol; + } + Dmsg0(150, "dir_update_vol_info. Set Append\n"); + /* Copy Director's info into the device info */ + memcpy(&dev->VolCatInfo, &dcr->VolCatInfo, sizeof(dev->VolCatInfo)); + if (!dir_update_volume_info(dcr, true)) { /* indicate tape labeled */ + return try_error; + } + Jmsg(dcr->jcr, M_INFO, 0, _("Labeled new Volume \"%s\" on device %s.\n"), + dcr->VolumeName, dev->print_name()); + return try_read_vol; /* read label we just wrote */ + } + if (!dev->has_cap(CAP_LABEL) && dcr->VolCatInfo.VolCatBytes == 0) { + Jmsg(dcr->jcr, M_INFO, 0, _("Warning device %s not configured to autolabel Volumes.\n"), + dev->print_name()); + } + /* If not removable, Volume is broken */ + if (!dev->is_removable()) { + Jmsg(dcr->jcr, M_WARNING, 0, _("Volume \"%s\" not on device %s.\n"), + dcr->VolumeName, dev->print_name()); + mark_volume_in_error(dcr); + return try_next_vol; + } + return try_default; +} /* @@ -468,13 +536,12 @@ void release_volume(DCR *dcr) dcr->VolumeName[0] = 0; if (dev->is_open() && (!dev->is_tape() || !dev_cap(dev, CAP_ALWAYSOPEN))) { - offline_or_rewind_dev(dev); - close_device(dev); + dev->close(); } /* If we have not closed the device, then at least rewind the tape */ if (dev->is_open()) { - offline_or_rewind_dev(dev); + dev->offline_or_rewind(); } Dmsg0(190, "release_volume\n"); } @@ -492,8 +559,7 @@ bool mount_next_read_volume(DCR *dcr) * End Of Tape -- mount next Volume (if another specified) */ if (jcr->NumVolumes > 1 && jcr->CurVolume < jcr->NumVolumes) { - close_device(dev); - dev->clear_read(); + dev->close(); if (!acquire_device_for_read(dcr)) { Jmsg2(jcr, M_FATAL, 0, _("Cannot open Dev=%s, Vol=%s\n"), dev->print_name(), dcr->VolumeName);