David writes:
Two days in a row I got 555 lines of error that are all the same for
both days:
Unable to read 65536 bytes from /home/backuppc/pc/mail/new//f%2f/RStmp got=0,
seekPosn=402653184 (0,4,24581,401604608,402727821)
The curious thing is that the size is exactly 64k. And every line
of error is the same for two days. I looked at the system logs
and there were no errors. Where is this error comming from? Is
it a media error? Is it on the client? The server? Is it a bug
in backuppc?
Several people have reported this, so this makes it more likely
it is a bug in BackupPC. I would like to replicate it.
This happens in a part of the BackupPC::Xfer::RsyncFileIO code where
a large file has deltas (changes). Since the file is large it is
uncompressed to disk in the RStmp file, and that file is then read
to process the deltas as the new updated file is generated and
written to disk.
Let me look at the code and I'll get back to you offline with some
debugging suggestions.
Craig
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