nbd errors and /dev/nbd* files.
Marcus Lively
marcus at livelynet.com
Sun Jul 31 23:16:20 UTC 2005
Marcus Lively wrote:
> Hi,
> Hope someone can help me here, I have noticed the following in my log
> files and have done some research but seem to be drawing blanks. the
> messages are as follows:
>
> kernel: end_request: I/O error, dev nbd104, sector 4294965120
> kernel: nbd104: Request when not-ready
> kernel: end_request: I/O error, dev nbd104, sector 0
> kernel: nbd105: Request when not-ready
> kernel: end_request: I/O error, dev nbd105, sector 4294965120
> kernel: nbd105: Request when not-ready
> ...
> also
> kernel: Buffer I/O error on device nbd16, logical block 2
> kernel: Buffer I/O error on device nbd16, logical block 3
> kernel: Buffer I/O error on device nbd16, logical block 4
> kernel: Buffer I/O error on device nbd16, logical block 5
> kernel: Buffer I/O error on device nbd16, logical block 6
> kernel: Buffer I/O error on device nbd16, logical block 7
> ... There are
> a number of nbdnnn files in the /dev directory yet I have not
> configured any nbd filesystems, I have checked lvm and there doesn't
> seem to be any logical volumes configured. My question is why are
> these messages appearing in the logs, and how come I seem to have so
> many nbd device files, could I just remove them from /dev.
>
> Thanks Marcus.
>
OK, some more info
netfs is set to run at startup
boot log shows - netfs: Mounting other filesystems: failed
no remote file systems are listed in /etc/fstab
nfsd process is not running
/etc/exports is empty
I do not know if the two are related, and since I do not use nfs perhaps
I should turn nfs off. I am still confused why these nbd device files
exist though and would like to remove them. Any advice appreciated.
Thanks Marcus.
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