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When a samba server shares NFS4 mount directory, window clients cannot copy file. ERROR: 0x80070021

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http://serverfault.com – The error reported by windows client is like this ERROR: 0x80070021 The process cannot access the file because another process has locked a portion of the file. I google it and hit the samba bug report 8481 . Which is very similar to this problem. Another link also says the similar issue. But, instead of NFSv3, my NFS backend is using NFSv4, provided by OpenSolaris ZFS file system. I try to mount -t nfs4 -o nolock fileserver:/export/home /home, it said no such option "nolock". nolock is only valid for NFSv3, not NFSv4. fileserver: an OpenSolaris file server. Linux server: Debian Lenny. (HowTos)

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Submitted by u85500 on 01/23/2013 – Made popular on 01/23/2013

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