[RndTbl] [Board] NFS problems

[Adam Thompson]

On July 10, 2018 1:42:28 PM CDT, Kevin McGregor <kevin.a.mcgregor at gmail.com> wrote:
>Odd.
>
>I have an unprivileged account in FreeNAS ("vmware") and corresponding
>group. I removed all of the volumes/NFS shares, then recreated them and
>used the "Change Permissions" button like you suggested to assign
>"vmware"
>the permissions and ownership. Then I changed the NFS configuration to
>map
>all NFS access to vmware/vmware.
>
>I still get mountd logging "mount request succeeded", and ESXi reports
>"Can't connect to NFS server".
>
>showmount -e shows
>/mnt/data/stuff             Everyone
>
>I tried configuring the share to "Map root user to..." and alternately
>tried "Mapall users to...", and nothing changed.
>
>Surely it's something trivial I've overlooked?
>
>On Tue, Jul 10, 2018 at 11:36 AM Adam Thompson <athompso at athompso.net>
>wrote:
>
>> Permissions.  No joke...  Root isn't root when NFS is involved. 
>Don't
>> bother trying to get ESXi to try operating as non-root, as easily fly
>to
>> the moon by flapping your arms.  Instead configure a host-specific
>override
>> on FreeNAS mapping root to a real user on FreeNAS that owns the
>> volume/subvolume/share.  Manually chown/chmod if necessary.
>>
>> (Storage -> select the shared volume, then the left-most icon at the
>> bottom is "Change Permissions".)
>>
>> -Adam
>>
>> On 2018-07-10 10:54, Kevin McGregor wrote:
>>
>> Okay, so something *is* listening on port 2049 of <FreeNAS-IP>
>(confirmed
>> with netstat -an4).
>>
>> I can ping both ways successfully.
>> Both machines are on the same physical switch.
>> Both are on the same subnet, same netmask, etc.
>> Source (VMware ESXi) says "Unable to contact NFS server"
>> ESXi firewall disabled with " esxcli network firewall set --enabled
>false "
>> FreeNAS /var/log/messages has three entries like
>> mountd[pid]: mount request successful from <IP> for <mountpoint>
>>
>> This is really annoying. What else can I try/check?
>>
>> On Tue, Jul 10, 2018 at 9:02 AM Kevin McGregor
><kevin.a.mcgregor at gmail.com>
>> wrote:
>>
>>> I'm trying to get FreeNAS (based on FreeBSD) to serve up NFS shares.
>It
>>> keep failing with
>>>
>>> nfsd: Can't bind to tcp addr *: Address already in use
>>>
>>> Which doesn't make sense. I tried binding to a specific address (the
>IP
>>> address of this server) and I get the same message, but with the IP
>address
>>> instead of *.
>>>
>>> No other services are running on this server, other than http (80).
>Where
>>> do I start?
>>>
>>> Thanks,
>>> Kevin
>>>
>>
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Hm. Probably, yes, but I can't think what offhand.  Maybe do tcpdump on the freenas server and then inspect it, to find out that all ESXi is *trying* to do to FreeNas (in addition to the bits that are succeeding).
Dunno, sorry.
-Adam
-- 
Sent from my Android device with K-9 Mail. Please excuse my brevity.
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