Hi folks,

When running monthly full backup on a Linux server, the following error occurred in the final steps of the backup process, when despooling attributes. Previous log entry was: Sending spooled attrs to the Director. Despooling 180,651,607 bytes ...

Fatal error: catreq.c:751 fread attr spool error. Wanted 1478509141 bytes, maximum permitted 10000000 bytes

It has been reported previously in this list on 15 February 2021, without any obvious solution.

The number of backed up files are 576,816, and the backup size is 1,024,746,654,774 (1.024 TB).

Both the backup server and client runs Bacula 9.0.6, and both with OS CentOS 7.8. This is the first time I have seen this message since I installed the system 4 years ago.

There is plenty of space in the spool directory, plenty of RAM, the data is directly written to virtual tapes (mhvtl) without data spooling, and there is no line compression, as the network connection is 10Gbits/s, with the bottleneck being the disk subsystem on the backup server (RAID10).

Suggestions are very welcome.

Best regards,

Peter






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