Perhaps the magic number is the one for zip compression. Perhaps file is corrupt? Matthias--- via BackupPC-users wrote at about 05:39:41 +0200 on Friday, April 25, 2025: > 1. the miscalculated progress occurs mostly on partial backups and a very > few incremental > backups. I assume it have no affect on the migration. > 2. > - can't read attribute file: After reviewing the source code of > BackupPC_migrateV3toV4, I believe > that it also have no impact on migration. BackupPC_migrateV3toV4 > "Compute the correct size by > reading the whole file" if it can't get it from the attribut file > and continue migration. > - Unexpected magic number: I can't find this in source code and don't > know what happens with this > 3. directory 145.old still exist: > - 159837 files are calculated by "ls -R > /var/lib/backuppc/pc/gerhardpc1/145.old | wc -l" > - 119 files are calculated by "BackupPC_ls -R -h gerhardpc1 -n 145 -s > <sharename> /" > - so the migration failed. I'll try to migrate it once again. > 4. can't create ./refCnt/needFsck.mig and ./refCnt/noPoolCnt: > - It looks like a filesystem error and not be triggered by program > logic. I'll try to migrate it > once again. > > It would be great if someone could give feedback regarding this "Unexpected > magic number". > > Thanks in advance > Matthias > > > Am Dienstag, dem 22.04.2025 um 10:47 +0200 schrieb Matthias--- via > BackupPC-users: > > Dear all, > > > > Running BackupPC V4.4.0-3 on Debian 11 (Bullseye) and having some > > unexpected messages from > > BackupPC_migrateV3toV4 also if BackupPC_migrateV3toV4 -m don't report any > > issues at the beginning: > > > > 1) unexpected progress reported: > > BackupPC_migrateV3toV4: migrating host fileserver backup #5115 to V4 > > (approx 31 files) > > fileserver #5115: 45.2% > > fileserver #5115: 71.0% > > fileserver #5115: 1003.2% > > : > > fileserver #5115: 932422.6% > > fileserver #5115: 932429.0% > > BackupPC_migrateV3toV4: converted backup in > > /var/lib/backuppc/pc/fileserver/5115; removing > > /var/lib/backuppc/pc/fileserver/5115.old > > BackupPC_migrateV3toV4: migrating host fileserver backup #5116 to V4 > > (approx 516 files) > > Directory 5115 looks good, Having attrib_<md5> file as well as all > > expected directories. Also if > > fileserver #5115 reports an unexpected progress the 5115.old has been > > removed. Can I expect that > > backup #5115 is successfull migrated? > > > > 2) Progress not going till 100% > > BackupPC_migrateV3toV4: migrating host gerhardpc1 backup #0 to V4 > > (approx 254099 files) > > gerhardpc1 #0: 0.0% > > BackupPC_migrateV3toV4: can't read attribute file ./fC/fProgramme/attrib > > Unexpected magic number 0x78da5550 read from ./fC/fProgramme/attrib > > BackupPC_migrateV3toV4: migrating host gerhardpc1 backup #0 to V4 > > (approx 254099 files) > > BackupPC_migrateV3toV4: can't read attribute file > > ./fC/fProgramme/fAlwil Software/attrib > > Unexpected magic number 0xd7da130f read from ./fC/fProgramme/fAlwil > > Software/attrib > > : > > gerhardpc1 #0: 0.6% > > : > > gerhardpc1 #0: 7.2% > > BackupPC_migrateV3toV4: converted backup in > > /var/lib/backuppc/pc/gerhardpc1/0; removing > > /var/lib/backuppc/pc/gerhardpc1/0.old > > BackupPC_migrateV3toV4: migrating host gerhardpc1 backup #145 to V4 > > (approx 72412 files) > > Directory 0 looks good, Having attrib_<md5> file as well as all expected > > directories. Also if > > there > > are this error messages and progress isn't going till 100%, 0.old has been > > removed. Can I expect > > that backup #0 is successfull migrated? > > > > 3) migration left the 145.old directory > > BackupPC_migrateV3toV4: migrating host gerhardpc1 backup #145 to V4 > > (approx 72412 files) > > gerhardpc1 #145: 0.0% > > : > > gerhardpc1 #145: 17.0% > > BackupPC_migrateV3toV4: can't read attribute file ./fC/fProgramme/attrib > > Unexpected magic number 0x78da7d55 read from ./fC/fProgramme/attrib > > : > > gerhardpc1 #145: 21.6% > > BackupPC_migrateV3toV4: converted backup in > > /var/lib/backuppc/pc/gerhardpc1/145; removing > > /var/lib/backuppc/pc/gerhardpc1/145.old > > BackupPC_migrateV3toV4: migrating host gerhardpc1 backup #146 to V4 > > (approx 72407 files) > > Directory 145 looks good, Having attrib_<md5> file as well as all expected > > directories. > > sudo -u backuppc /usr/share/backuppc/bin/BackupPC_attribPrint > > /var/lib/backuppc/pc/gerhardpc1/145/fC/fProgramme/attrib > > as well as > > sudo -u backuppc /usr/share/backuppc/bin/BackupPC_attribPrint > > /var/lib/backuppc/pc/gerhardpc1/145.old/fC/fProgramme/attrib > > list the attributes. > > Also if I got this errors , the attrib files are differents and 145.old is > > still available, have I > > lost this backup or can I still repair the issues? > > > > 4) > > BackupPC_migrateV3toV4: migrating host gerhardpc1 backup #146 to V4 > > (approx 72407 files) > > BackupPC_migrateV3toV4: can't create > > /var/lib/backuppc/pc/gerhardpc1/146.v4/refCnt/needFsck.mig > > (0) > > BackupPC_migrateV3toV4: can't create > > /var/lib/backuppc/pc/gerhardpc1/146.v4/refCnt/noPoolCntOk > > (0) > > BackupPC_migrateV3toV4: can't read attribute file ./attrib > > bpc_attrib_dirRead: can't open ./attrib > > gerhardpc1 #146: 0.0% > > BackupPC_migrateV3toV4: converted backup in > > /var/lib/backuppc/pc/gerhardpc1/146; removing > > /var/lib/backuppc/pc/gerhardpc1/146.old > > BackupPC_migrateV3toV4: migrating host gerhardpc1 backup #154 to V4 > > (approx 454550 files) > > > > > > The ./gerhardpc1/146/refCnt/noPoolCntOk has been created but is empty. > > backupInfo looks the same > > as > > in 146.old, but reordered. No other files or directories are in 146 and > > 146.old is still > > available. > > Have I lost this backup or can I still repair the issues? > > > > Thanks in advance > > Matthias > > > > > > > > > > > > _______________________________________________ > > BackupPC-users mailing list > > BackupPC-users@lists.sourceforge.net > > List: https://lists.sourceforge.net/lists/listinfo/backuppc-users > > Wiki: https://github.com/backuppc/backuppc/wiki > > Project: https://backuppc.github.io/backuppc/ > > > > > _______________________________________________ > BackupPC-users mailing list > BackupPC-users@lists.sourceforge.net > List: https://lists.sourceforge.net/lists/listinfo/backuppc-users > Wiki: https://github.com/backuppc/backuppc/wiki > Project: https://backuppc.github.io/backuppc/
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