NFS I/O error

[Alan Batie]

I have built a 11.1-RELEASE-p4 zfs/nfs server; I can mount the zfs
filesystem, but any attempt to access it gets "I/O error":


> <zbackups.peak.org> [92] # zfs get sharenfs zbackups/admin03-backups
> NAME                      PROPERTY  VALUE                                                SOURCE
> zbackups/admin03-backups  sharenfs  rw=admin03.peak.org,root=admin03.peak.org,maproot=0  local


> <admin03.peak.org> [122] # mount | grep admin03-backups
> zbackups.peak.org:/zbackups/admin03-backups on /zbackups type nfs (rw,nosuid,soft,addr=2607:f678::19:21)
> <admin03.peak.org> [123] # pwd
> /zbackups
> <admin03.peak.org> [124] # touch x
> touch: cannot touch `x': Input/output error

>     2   9.517978 2607:f678::16:41 ? 2607:f678::19:21 NFS 234 V3 ACCESS Call, FH: 0x29b4d670, [Check: RD LU MD XT DL]
>     3   9.518044 2607:f678::19:21 ? 2607:f678::16:41 NFS 122 V3 ACCESS Reply (Call In 2) Error: NFS3ERR_IO
>     4   9.518199 2607:f678::16:41 ? 2607:f678::19:21 TCP 86 850 ? 2049 [ACK] Seq=149 Ack=37 Win=113 Len=0 TSval=4034213392 TSecr=246608933
>     5   9.518222 2607:f678::16:41 ? 2607:f678::19:21 NFS 234 V3 ACCESS Call, FH: 0x29b4d670, [Check: RD LU MD XT DL]
>     6   9.518251 2607:f678::19:21 ? 2607:f678::16:41 NFS 122 V3 ACCESS Reply (Call In 5) Error: NFS3ERR_IO
>     7   9.557916 2607:f678::16:41 ? 2607:f678::19:21 TCP 86 850 ? 2049 [ACK] Seq=297 Ack=73 Win=113 Len=0 TSval=4034213432 TSecr=246608933

> <zbackups.peak.org> [99] # pwd
> /zbackups/admin03-backups
> <zbackups.peak.org> [100] # touch x
> <zbackups.peak.org> [101] # lf -l
> total 1
> -rw-r--r--  1 root  wheel  0 Feb 23 11:45 x

> <admin03.peak.org> [125] # lf -l
> ls: cannot open directory .: Input/output error

-------------- next part --------------
A non-text attachment was scrubbed...
Name: smime.p7s
Type: application/pkcs7-signature
Size: 3978 bytes
Desc: S/MIME Cryptographic Signature
URL: <http://lists.freebsd.org/pipermail/freebsd-fs/attachments/20180223/b05df475/attachment.bin>