Re: [Samba] IO error while closing file (dd)
- Date: Thu, 05 Oct 2017 07:34:23 +0200
- From: Xen via samba <samba@xxxxxxxxxxxxxxx>
- Subject: Re: [Samba] IO error while closing file (dd)
Xen via samba schreef op 05-10-2017 5:14:
Maybe it is getting caused by DD using a too high blocksize...
I think it was caused by using a DD bs of 4M.
I put it back to 128k now and there doesn't seem to be an issue anymore.
The Linux Kernel is generally terrible in the area of IO queues.
I was meaning to ask something else though.
When my DD copy to the share completes, it often ends with an error:
"closing output file 'XXX': Input/output error"
From a bug on NFS it appears to be related to short I/O timeouts.
Is there anything I can do to mitigate that?
I don't want DD to close with an error.
I am using completely general mount options.
There is apparently sometimes an IO timeout when it closes the file.
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