Hi,
S?bastien RICCIO wrote on 08.10.2007 at 13:45:37 [[BackupPC-users] Xferlog
Errors - Something to worry?]:
> However, I see in the XferLogs that there are errors, and I don't
> know why they happens neither if these are critical (meaning a problem
> with hardware or something).
>
> Here are an example of the errors:
>
> Unable to read 5865472 bytes from /data2/BackupPC/pc/stargate/new//fall/RStmp
> got=5472256, seekPosn=17596416 (1536,512,9998,23068672,114527529)
if you've got 16 exactly identical lines, quoting one of them is as good an
example as quoting them all ;-).
> This happens while backuping a windows workstation using rsyncd.
>
> Any idea what could be wrong ?
>From a quick look at the code, I'd guess there is not enough space on your
BackupPC pool partition. BackupPC is, at the point the error occurs, trying
to construct a new file with the same BackupPC hash as an existing one,
because the incoming contents no longer match the existing file. To do this,
BackupPC needs to create an uncompressed copy of the existing file, which may
obviously be much larger than the compressed copy. Apparently the created
uncompressed copy is smaller than expected (22 MB instead of 109 MB if I'm
guessing correctly), which probably means that it could not be fully written
to disk due to the file system being full (or a quota being exceeded). How
much free space is there on your BackupPC pool partition? What is
$Conf{DfMaxUsagePct} set to?
If I'm correct, that would mean that this file is not correctly backed up,
so it's probably something to worry about :).
Regards,
Holger
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