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Re: [Networker] Failed to read 65536 byte block with 32768 byte read
2006-07-05 10:20:51
Clark, Patricia wrote:
[mailto:NETWORKER AT LISTSERV.TEMPLE DOT EDU] On Behalf Of Scott Russell
Also seen on Red Hat 7.3 through RHEL 4. On Linux this is normal when the end
of a tape is encountered.
Not necessarily an end of tape message, it happens every time Networker
runs. This has been discussed before on this list. So far it is
meaningless and there is nothing that can be done to stop it unless
someone knows more up-to-date info.
That's odd. I don't recall seeing "Failed to read %d byte block with %d
byte transfer" other than when the tape has reached the end. I'm most
likely not remembering correctly.
Checking into st.c it seem to be an informational message that happens
in read_tape(). It is located in the nested EOF / EOM / ILI checks and
appears related to a SCSI ILI (Incorrect Length Indicator) condition.
The result returned seems to be -ENOMEM which translates to "Not enough
space" according to errno.h.
Looking at my system logs and Networker logs I see the same message
within a minute of when a savegroup kicks off. Maybe it's happening
during a label read? Might be related to using variable block sizes?
I'll also agree that it's been harmless for us. I suppose I should read
the list archives and see if I posted anything useful last time I
researched it :)
--
Scott Russell <lnxgeek AT us.ibm DOT com>
IBM Linux Technology Center, System Admin
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