On Sat, 3 Nov 2018 at 06:27, Pete Biggs <pete@xxxxxxxxxxxx> wrote: > > > > > > restore tvf u1_l0_04-29-09_md1.dump Verify tape and initialize maps > > Input is from a local file/pipe > > Checksum error 20311110402, inode 0 file (null) > > restore: Tape is not a dump tape > > what does 'file' think the file is - i.e. what does > > file u1_l0_04-29-09_md1.dump > > say? > > > > > > > Here's a log file from when the backup was done back in 2009: > > > > DUMP: Date of this level 0 dump: Wed Apr 29 09:24:36 2009 > > DUMP: Dumping /dev/md1 (/u1) to u1_l0_04-29-09_md1.dump > > DUMP: Label: /u1 > > DUMP: Writing 10 Kilobyte records > > DUMP: Compressing output at compression level 2 (bzlib) > > > > DUMP: finished in 23704 seconds, throughput 4075 kBytes/sec > > DUMP: Date of this level 0 dump: Wed Apr 29 09:24:36 2009 > > DUMP: Date this dump completed: Wed Apr 29 16:00:09 2009 > > DUMP: Average transfer rate: 2146 kB/s > > DUMP: Wrote 96607840kB uncompressed, 50878096kB compressed, 1.899:1 > > DUMP: DUMP IS DONE > > The dump is compressed. What was the command line you used to create > the dump file? > > Have you tried using > > restore tzvf u1_l0_04-29-09_md1.dump > I agree with Pete and it will be up to see what file and others say to see which type of compression was done.. (z means gzip, j means bzip2 which would be the ones from 2009). > > > > Have there been any changes to the format of dump files and if so, is > > there a version available that can read this older backup? > > I don't think dump has changed anything in 20 years or so! And I > certainly can't see it changing such that it can't read old files - > that is, sort of, it's raison d'etre. > > P. > > > _______________________________________________ > CentOS mailing list > CentOS@xxxxxxxxxx > https://lists.centos.org/mailman/listinfo/centos -- Stephen J Smoogen. _______________________________________________ CentOS mailing list CentOS@xxxxxxxxxx https://lists.centos.org/mailman/listinfo/centos