Dotaz: Nefunkční NFS client

[lertimir]

Používám NFS připojení k serveru více než 5 let, ale dnes po rebootu klientského počítače mi klient nepřipojil share. Příkaz systemctl status nfs.service mi dá

# systemctl status nfs.service
nfs.service - LSB: NFS client services
   Loaded: loaded (/etc/init.d/nfs)
  Drop-In: /run/systemd/generator/nfs.service.d
           └─50-insserv.conf-$remote_fs.conf
   Active: failed (Result: exit-code) since Út 2016-03-15 23:15:56 CET; 4min 9s ago
  Process: 1414 ExecStart=/etc/init.d/nfs start (code=exited, status=1/FAILURE)

bře 15 23:12:24 dnopytle sm-notify[1463]: Version 1.3.0 starting
bře 15 23:12:24 dnopytle nfs[1414]: Starting NFS client services: sm-notify gssd idmapd..done
bře 15 23:14:10 dnopytle nfs[1414]: Mounting network file systems ...mount.nfs4: Connection reset by peer
bře 15 23:15:56 dnopytle nfs[1414]: mount.nfs4: Connection reset by peer
bře 15 23:15:56 dnopytle nfs[1414]: ..failed
bře 15 23:15:56 dnopytle systemd[1]: Failed to start LSB: NFS client services.

v dmesg je v části kde se píše o nfs jen

[   17.644254] RPC: Registered named UNIX socket transport module.
[   17.644257] RPC: Registered udp transport module.
[   17.644259] RPC: Registered tcp transport module.
[   17.644260] RPC: Registered tcp NFSv4.1 backchannel transport module.
[   17.648005] FS-Cache: Netfs 'nfs' registered for caching
[   17.702668] Key type dns_resolver registered
[   17.705032] NFS: Registering the id_resolver key type

v procesech v operační pameti je jen

# ps -ef | grep nfs
root      1457     2  0 23:12 ?        00:00:00 [nfsiod]
root      1479     1  0 23:12 ?        00:00:00 /usr/sbin/rpc.gssd -D -p /var/lib/nfs/rpc_pipefs
root      1488     1  0 23:12 ?        00:00:00 /usr/sbin/rpc.idmapd -p /var/lib/nfs/rpc_pipefs

A nejak se mi nedaří přesvědčit systém (systemd), aby psal více co je špatně. Přikaz systemctl start nfs.service neudělá nic, tedy nezobrazí nic. A když ho CTRL-c stopnu tak jen skončí. (/etc/init.d/nfs start se redirektuje na ten předchozí příkaz) v boot.log je

[K[   ***] A start job is running for LSB: NFS client services (3min 41s / 5min 9s)
[K[    **] A start job is running for LSB: NFS client services (3min 41s / 5min 9s)
[K[     *] A start job is running for LSB: NFS client services (3min 42s / 5min 9s)
[K[FAILED] Failed to start LSB: NFS client services.
See "systemctl status nfs.service" for details.
[  OK  ] Reached target Remote File Systems (Pre).
         Mounting /mnt/crypted1...
         Mounting /mnt/basic...
         Starting SuSEfirewall2 phase 2...
[  OK  ] Started SuSEfirewall2 phase 2.
[    **] (1 of 2) A start job is running for /mnt/crypted1 (3min 47s / 5min 12s)
[K[   ***] (1 of 2) A start job is running for /mnt/crypted1 (3min 48s / 5min 12s)
[K[  *** ] (1 of 2) A start job is running for /mnt/crypted1 (3min 48s / 5min 12s)
...
[K[***   ] (1 of 2) A start job is running for /mnt/crypted1 (5min 8s / 5min 12s)
[K[ ***  ] (1 of 2) A start job is running for /mnt/crypted1 (5min 9s / 5min 12s)
[K[  *** ] (1 of 2) A start job is running for /mnt/crypted1 (5min 9s / 5min 12s)
[K[   ***] (2 of 2) A start job is running for /mnt/basic (5min 10s / 5min 12s)
[K[    **] (2 of 2) A start job is running for /mnt/basic (5min 10s / 5min 12s)
[K[     *] (2 of 2) A start job is running for /mnt/basic (5min 11s / 5min 12s)
[K[    **] (1 of 2) A start job is running for /mnt/crypted1 (5min 11s / 5min 12s)
[K[   ***] (1 of 2) A start job is running for /mnt/crypted1 (5min 12s / 5min 12s)
[K[  OK  ] Mounted /mnt/basic.
[  OK  ] Mounted /mnt/crypted1.
[  OK  ] Reached target Remote File Systems.

nicméně i když boot.log tvrdí mounted tak připojené nejsou. Otázka je, jak najít, co se vlastně děje? (a pak to samozřejmě opravit)

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Odpovědi

[lertimir]

Tak už jsem na to přišel. problém byl v serveru. neodpovídal jak měl a byl přetížen. a i když jsem jsem mu restartnul nfs tak to nestačilo. Poučení je, jednak nepřehlédnout Connection reset by peer a že nfs klient start je současně s mountem.