- <title>Hvem er mest hemmelighetsfulle i Staten? OEP-statistikk for 2013 og 2014.</title>
- <link>http://people.skolelinux.org/pere/blog/Hvem_er_mest_hemmelighetsfulle_i_Staten___OEP_statistikk_for_2013_og_2014_.html</link>
- <guid isPermaLink="true">http://people.skolelinux.org/pere/blog/Hvem_er_mest_hemmelighetsfulle_i_Staten___OEP_statistikk_for_2013_og_2014_.html</guid>
- <pubDate>Wed, 21 Jan 2015 14:40:00 +0100</pubDate>
- <description><p>Ethvert dokument som føres i postlisten til en offentlig instans
-skal vurderes etter offentlighetsloven, for å se om det skal gjøres
-offentlig tilgjengelige eller ikke. Det noteres så i postlisten om
-dokumentet er undratt offentlighet eller ikke. For moro skyld laget
-jeg en oversikt over hvor hemmelighetsfull de ulike som rapporterer
-til <a href="https://www.oep.no/">Offentlig Elektronisk
-Postjournal</a> (OEP) er, basert på hvor stor andel av dokumentene som
-er undratt offentlighet i postlisten. Jeg hentet ut for de siste to
-årene, og sorterte på andelen undratt offentlighet i 2014. De minst
-hemmelighetsfulle instansene i 2014 er på dermed på toppen av denne
-lista, og en kan se om de er blitt mer eller mindre hemmelighetsfull
-siden året før. Noen instanser, som Statens landbruksforvaltning,
-begynte rapporteringen til OEP i 2014 og har dermed ufullstendig
-statistikk for 2014 og ingen tall fra 2013. Andre begynte i 2013 og
-har mangelfull statistikk bare for 2013. Instanser som kun
-rapporterte til OEP i 2013 er ikke med i listen.</p>
-
-<table border="1">
-<tr><th colspan="3">2014</th><th colspan="3">2013</th><th rowspan="2">Instans</th></tr>
-<tr><th>Prosent</th><th>Antall u.off.</th><th>Totalt</th>
-<th>Prosent</th><th>Antall u.off.</th><th>Totalt</th></tr>
-
-<tr><td> 0,2</td><td> 8</td><td> 3589</td><td> 0,9</td><td> 36</td><td> 3886</td><td>Medietilsynet</td></tr>
-<tr><td> 0,9</td><td> 60</td><td> 6146</td><td> 4,6</td><td> 386</td><td> 8274</td><td>Utlendingsnemnda</td></tr>
-<tr><td> 1,6</td><td> 277</td><td> 17289</td><td> 0,0</td><td> 0</td><td> 0</td><td>Statens landbruksforvaltning</td></tr>
-<tr><td> 2,5</td><td> 42</td><td> 1648</td><td> 0,5</td><td> 11</td><td> 1844</td><td>Fredskorpset</td></tr>
-<tr><td> 2,5</td><td> 689</td><td> 26854</td><td> 3,9</td><td>1181</td><td> 30043</td><td>Direktoratet for utviklingssamarbeid</td></tr>
-<tr><td> 2,6</td><td>1817</td><td> 67600</td><td> 0,0</td><td> 0</td><td> 0</td><td>Landbruksdirektoratet Oslo</td></tr>
-<tr><td> 2,7</td><td> 719</td><td> 26367</td><td> 2,0</td><td> 556</td><td> 27226</td><td>Direktoratet for byggkvalitet</td></tr>
-<tr><td> 2,8</td><td>1472</td><td> 51147</td><td> 2,7</td><td>1599</td><td> 58846</td><td>Norges vassdrags- og energidirektorat</td></tr>
-<tr><td> 3,7</td><td> 402</td><td> 10778</td><td> 4,8</td><td> 455</td><td> 9324</td><td>Forbrukerombudet</td></tr>
-<tr><td> 3,7</td><td> 762</td><td> 20151</td><td> 4,1</td><td> 745</td><td> 18004</td><td>Norsk Filminstitutt</td></tr>
-<tr><td> 4,4</td><td> 465</td><td> 10493</td><td> 4,4</td><td> 477</td><td> 10831</td><td>Petroleumstilsynet</td></tr>
-<tr><td> 4,8</td><td> 385</td><td> 7971</td><td> 9,7</td><td> 586</td><td> 6018</td><td>Sysselmannen på Svalbard</td></tr>
-<tr><td> 4,9</td><td> 387</td><td> 7809</td><td> 3,1</td><td> 200</td><td> 6276</td><td>Statens strålevern</td></tr>
-<tr><td> 6,4</td><td> 795</td><td> 12300</td><td> 6,3</td><td> 204</td><td> 3238</td><td>Direktoratet for forvaltning og IKT</td></tr>
-<tr><td> 6,5</td><td>1349</td><td> 20712</td><td> 3,7</td><td> 883</td><td> 23398</td><td>Riksantikvaren - Direktoratet for kulturminneforvaltning</td></tr>
-<tr><td> 6,9</td><td>1241</td><td> 17972</td><td> 6,7</td><td>1346</td><td> 20067</td><td>Brønnøysundregistrene</td></tr>
-<tr><td> 7,4</td><td> 306</td><td> 4082</td><td>13,9</td><td> 255</td><td> 1829</td><td>Språkrådet</td></tr>
-<tr><td> 7,5</td><td>2775</td><td> 36626</td><td> 5,6</td><td>2243</td><td> 39431</td><td>Forsvarsbygg</td></tr>
-<tr><td> 7,9</td><td>5983</td><td> 75543</td><td> 9,5</td><td>7414</td><td> 77455</td><td>Fiskeridirektoratet</td></tr>
-<tr><td> 8,0</td><td>13686</td><td>170980</td><td>10,0</td><td>15106</td><td>150603</td><td>Arbeidstilsynet</td></tr>
-<tr><td> 8,4</td><td>3666</td><td> 43323</td><td> 8,2</td><td>3566</td><td> 43303</td><td>Justervesenet</td></tr>
-<tr><td> 8,8</td><td>6531</td><td> 74182</td><td> 7,6</td><td>5635</td><td> 73902</td><td>Statens vegvesen Region midt</td></tr>
-<tr><td> 9,8</td><td>2392</td><td> 24380</td><td> 7,6</td><td>2231</td><td> 29174</td><td>Lotteri- og stiftelsestilsynet</td></tr>
-<tr><td>10,5</td><td>7873</td><td> 74398</td><td>10,8</td><td>8313</td><td> 76452</td><td>Arkivverket</td></tr>
-<tr><td>10,8</td><td>2336</td><td> 21506</td><td> 9,6</td><td>1829</td><td> 18877</td><td>Kulturdepartementet</td></tr>
-<tr><td>11,0</td><td> 22</td><td> 200</td><td>17,8</td><td> 68</td><td> 382</td><td>Kompetansesenter for distriktsutvikling</td></tr>
-<tr><td>11,2</td><td>5174</td><td> 45965</td><td> 6,2</td><td>2824</td><td> 45527</td><td>Statsbygg</td></tr>
-<tr><td>11,5</td><td>4356</td><td> 37790</td><td>10,7</td><td>3700</td><td> 34504</td><td>Statens vegvesen Vegdirektoratet</td></tr>
-<tr><td>11,7</td><td>12431</td><td>105374</td><td>10,5</td><td>11273</td><td>107145</td><td>Statens vegvesen Region vest</td></tr>
-<tr><td>11,8</td><td>1077</td><td> 9097</td><td>20,2</td><td>1661</td><td> 8196</td><td>Havforskningsinstituttet</td></tr>
-<tr><td>12,5</td><td>6395</td><td> 50976</td><td> 9,9</td><td>2095</td><td> 20957</td><td>Miljødirektoratet</td></tr>
-<tr><td>12,6</td><td>19224</td><td>151481</td><td>12,6</td><td>18766</td><td>148032</td><td>Statens vegvesen Region øst</td></tr>
-<tr><td>12,7</td><td>1490</td><td> 11717</td><td>10,5</td><td>1223</td><td> 11616</td><td>Landbruks- og matdepartementet</td></tr>
-<tr><td>12,7</td><td>7831</td><td> 61404</td><td>12,6</td><td>7609</td><td> 60384</td><td>Statens vegvesen Region nord</td></tr>
-<tr><td>13,0</td><td>2183</td><td> 16735</td><td>16,7</td><td>3038</td><td> 18163</td><td>Fylkesmannen i Hedmark</td></tr>
-<tr><td>13,0</td><td>2941</td><td> 22554</td><td>11,8</td><td>1929</td><td> 16312</td><td>Samferdselsdepartementet</td></tr>
-<tr><td>13,3</td><td> 288</td><td> 2164</td><td>16,2</td><td> 485</td><td> 2989</td><td>Kunst i offentlige rom</td></tr>
-<tr><td>14,0</td><td>15523</td><td>110353</td><td>12,1</td><td>13170</td><td>107995</td><td>Statens vegvesen Region sør</td></tr>
-<tr><td>14,6</td><td>3661</td><td> 25006</td><td>14,1</td><td>3233</td><td> 22814</td><td>Kunnskapsdepartementet</td></tr>
-<tr><td>15,0</td><td>5820</td><td> 38701</td><td>20,8</td><td>8640</td><td> 41441</td><td>Luftfartstilsynet</td></tr>
-<tr><td>16,1</td><td> 184</td><td> 1140</td><td>10,5</td><td> 95</td><td> 903</td><td>Landinfo</td></tr>
-<tr><td>17,1</td><td>11103</td><td> 64829</td><td>14,2</td><td>8005</td><td> 56273</td><td>Sjøfartsdirektoratet</td></tr>
-<tr><td>17,5</td><td>6420</td><td> 36585</td><td>19,6</td><td>7645</td><td> 38859</td><td>Statens kartverk</td></tr>
-<tr><td>18,0</td><td>1850</td><td> 10223</td><td>12,4</td><td> 980</td><td> 7861</td><td>Vox, nasjonalt fagorgan for kompetansepolitikk</td></tr>
-<tr><td>18,3</td><td>2083</td><td> 11367</td><td>21,3</td><td>2515</td><td> 11796</td><td>Barne-, ungdoms- og familiedirektoratet</td></tr>
-<tr><td>18,4</td><td>3211</td><td> 17444</td><td>23,2</td><td>4056</td><td> 17444</td><td>Fylkesmannen i Telemark</td></tr>
-<tr><td>19,1</td><td>1475</td><td> 7703</td><td>26,1</td><td>1566</td><td> 5997</td><td>Direktoratet for mineralforvaltning med Bergmesteren for Svalbard</td></tr>
-<tr><td>20,2</td><td>4845</td><td> 23941</td><td>23,0</td><td>5049</td><td> 21949</td><td>Fylkesmannen i Oppland</td></tr>
-<tr><td>20,3</td><td> 66</td><td> 324</td><td>32,8</td><td>1411</td><td> 4291</td><td>Reindriftsforvaltningen</td></tr>
-<tr><td>20,8</td><td>2887</td><td> 13851</td><td>19,3</td><td>2657</td><td> 13748</td><td>Olje- og energidepartementet</td></tr>
-<tr><td>20,9</td><td> 128</td><td> 610</td><td> 0,0</td><td> 0</td><td> 0</td><td>Statens reindriftsforvaltning</td></tr>
-<tr><td>20,9</td><td>11601</td><td> 55388</td><td>20,3</td><td>10739</td><td> 52741</td><td>Utdanningsdirektoratet</td></tr>
-<tr><td>21,1</td><td>2721</td><td> 12848</td><td>25,8</td><td>3424</td><td> 13251</td><td>Statens jernbanetilsyn</td></tr>
-<tr><td>21,2</td><td> 563</td><td> 2653</td><td>28,8</td><td> 913</td><td> 3164</td><td>Norges geologiske undersøkelse</td></tr>
-<tr><td>21,4</td><td>6142</td><td> 28625</td><td>19,1</td><td>5079</td><td> 26526</td><td>Post- og teletilsynet</td></tr>
-<tr><td>21,6</td><td>2600</td><td> 11993</td><td> 9,5</td><td>1421</td><td> 14891</td><td>Senter for internasjonalisering av utdanning</td></tr>
-<tr><td>21,6</td><td>3992</td><td> 18413</td><td>21,9</td><td>4228</td><td> 19296</td><td>Fylkesmannen i Nord-Trøndelag</td></tr>
-<tr><td>22,0</td><td>4128</td><td> 18754</td><td>18,8</td><td> 67</td><td> 355</td><td>Klima- og miljødepartementet</td></tr>
-<tr><td>22,5</td><td>3271</td><td> 14483</td><td>24,0</td><td>3851</td><td> 16006</td><td>Fylkesmannen i Aust-Agder</td></tr>
-<tr><td>22,6</td><td>1597</td><td> 7058</td><td>39,4</td><td>2358</td><td> 5984</td><td>Norsk Akkreditering</td></tr>
-<tr><td>22,6</td><td>4437</td><td> 19580</td><td>24,0</td><td>5403</td><td> 22475</td><td>Fylkesmannen i Møre og Romsdal</td></tr>
-<tr><td>22,8</td><td>1687</td><td> 7395</td><td>35,1</td><td>2839</td><td> 8073</td><td>Domstoladministrasjonen</td></tr>
-<tr><td>23,2</td><td>2019</td><td> 8695</td><td> 5,2</td><td> 670</td><td> 12847</td><td>Statens lånekasse for utdanning</td></tr>
-<tr><td>23,7</td><td>7712</td><td> 32425</td><td> 0,0</td><td> 0</td><td> 0</td><td>Kommunal- og moderniseringsdepartementet</td></tr>
-<tr><td>24,3</td><td>21335</td><td> 87574</td><td>12,6</td><td>9324</td><td> 73780</td><td>Helsedirektoratet</td></tr>
-<tr><td>24,3</td><td>9155</td><td> 37674</td><td>100,0</td><td> 1</td><td> 1</td><td>Nærings- og fiskeridepartementet</td></tr>
-<tr><td>24,4</td><td>4584</td><td> 18714</td><td>25,6</td><td>5046</td><td> 19690</td><td>Fylkesmannen i Vest-Agder</td></tr>
-<tr><td>25,3</td><td> 723</td><td> 2854</td><td> 0,0</td><td> 0</td><td> 0</td><td>Landbruksdirektoratet Alta</td></tr>
-<tr><td>25,7</td><td>3039</td><td> 11812</td><td>20,8</td><td>2316</td><td> 11099</td><td>Oljedirektoratet</td></tr>
-<tr><td>27,0</td><td>6532</td><td> 24176</td><td>35,1</td><td>7221</td><td> 20556</td><td>Helse- og omsorgsdepartementet</td></tr>
-<tr><td>27,2</td><td>1305</td><td> 4781</td><td>29,6</td><td>1582</td><td> 5343</td><td>Konkurransetilsynet</td></tr>
-<tr><td>27,4</td><td>5879</td><td> 21426</td><td>20,9</td><td>4857</td><td> 23184</td><td>Barne-, likestillings- og inkluderingsdepartementet</td></tr>
-<tr><td>28,3</td><td>6420</td><td> 22606</td><td>31,1</td><td>6842</td><td> 21963</td><td>Fylkesmannen i Sør-Trøndelag</td></tr>
-<tr><td>28,7</td><td>5041</td><td> 17513</td><td>29,7</td><td>5547</td><td> 18625</td><td>Fylkesmannen i Sogn og Fjordane</td></tr>
-<tr><td>29,0</td><td>6074</td><td> 20910</td><td>27,1</td><td>4543</td><td> 16760</td><td>Fylkesmannen i Finnmark</td></tr>
-<tr><td>29,0</td><td>9437</td><td> 32529</td><td>33,7</td><td>10389</td><td> 30826</td><td>Fylkesmannen i Rogaland</td></tr>
-<tr><td>29,7</td><td>22583</td><td> 75955</td><td>29,2</td><td>19174</td><td> 65534</td><td>Statens legemiddelverk</td></tr>
-<tr><td>30,2</td><td>7225</td><td> 23881</td><td>34,7</td><td>8433</td><td> 24247</td><td>Fylkesmannen i Buskerud</td></tr>
-<tr><td>31,6</td><td> 196</td><td> 620</td><td>19,7</td><td> 69</td><td> 350</td><td>Statens institutt for rusmiddelforskning</td></tr>
-<tr><td>31,8</td><td>11830</td><td> 37188</td><td>33,4</td><td>9805</td><td> 29344</td><td>Kystverket</td></tr>
-<tr><td>32,3</td><td>12833</td><td> 39687</td><td>31,9</td><td>13194</td><td> 41290</td><td>Fylkesmannen i Hordaland</td></tr>
-<tr><td>32,3</td><td>3439</td><td> 10643</td><td>36,1</td><td>3178</td><td> 8786</td><td>Statsministerens kontor</td></tr>
-<tr><td>32,4</td><td>1261</td><td> 3883</td><td>44,5</td><td>2477</td><td> 5566</td><td>Nasjonalbiblioteket</td></tr>
-<tr><td>32,8</td><td>7466</td><td> 22731</td><td>30,9</td><td>6799</td><td> 21948</td><td>Fylkesmannen i Vestfold</td></tr>
-<tr><td>32,9</td><td>1301</td><td> 3949</td><td>40,6</td><td>1462</td><td> 3594</td><td>Statens pensjonskasse</td></tr>
-<tr><td>33,6</td><td>7060</td><td> 20950</td><td>28,8</td><td>6075</td><td> 21080</td><td>Finansdepartementet</td></tr>
-<tr><td>34,2</td><td>2082</td><td> 6072</td><td>24,9</td><td>1253</td><td> 5021</td><td>Datatilsynet</td></tr>
-<tr><td>35,9</td><td> 647</td><td> 1798</td><td>35,9</td><td>2777</td><td> 7714</td><td>Departementenes servicesenter</td></tr>
-<tr><td>36,6</td><td>7480</td><td> 20433</td><td>39,0</td><td>8218</td><td> 21053</td><td>Fylkesmannen i Østfold</td></tr>
-<tr><td>39,3</td><td>23978</td><td> 60897</td><td>18,8</td><td>9950</td><td> 52772</td><td>Direktoratet for samfunnssikkerhet og beredskap</td></tr>
-<tr><td>39,8</td><td>5953</td><td> 14949</td><td>41,5</td><td>5594</td><td> 13453</td><td>Statistisk sentralbyrå</td></tr>
-<tr><td>40,0</td><td>3023</td><td> 7553</td><td> 0,0</td><td> 0</td><td> 0</td><td>Departementenes sikkerhets- og serviceorganisasjon</td></tr>
-<tr><td>40,2</td><td>1816</td><td> 4515</td><td>32,6</td><td>1386</td><td> 4246</td><td>Nasjonalt organ for kvalitet i utdanningen</td></tr>
-<tr><td>40,5</td><td>17858</td><td> 43992</td><td>35,9</td><td>16457</td><td> 45831</td><td>Finanstilsynet</td></tr>
-<tr><td>41,3</td><td>11805</td><td> 28564</td><td>41,4</td><td>10882</td><td> 26247</td><td>Fylkesmannen i Troms</td></tr>
-<tr><td>42,6</td><td>20313</td><td> 47640</td><td>43,8</td><td>21407</td><td> 48837</td><td>Justis- og beredskapsdepartementet</td></tr>
-<tr><td>42,7</td><td>7416</td><td> 17343</td><td>42,2</td><td>6995</td><td> 16553</td><td>Integrerings- og mangfoldsdirektoratet</td></tr>
-<tr><td>43,9</td><td>10278</td><td> 23402</td><td>39,2</td><td> 152</td><td> 387</td><td>Arbeids- og sosialdepartementet</td></tr>
-<tr><td>44,1</td><td>28731</td><td> 65102</td><td>12,1</td><td>8253</td><td> 67828</td><td>Utenriksdepartementet</td></tr>
-<tr><td>46,3</td><td>5933</td><td> 12800</td><td>47,6</td><td>5702</td><td> 11955</td><td>Forsvarsdepartementet</td></tr>
-<tr><td>46,7</td><td>6270</td><td> 13414</td><td>41,9</td><td>4651</td><td> 11095</td><td>Nasjonalt folkehelseinstitutt</td></tr>
-<tr><td>48,2</td><td>2690</td><td> 5579</td><td>36,1</td><td>1655</td><td> 4572</td><td>Direktoratet for økonomistyring</td></tr>
-<tr><td>48,2</td><td>9352</td><td> 19398</td><td>42,9</td><td>6769</td><td> 15766</td><td>Politidirektoratet</td></tr>
-<tr><td>49,4</td><td>7472</td><td> 15122</td><td>52,1</td><td>5979</td><td> 11471</td><td>Utlendingsdirektoratet</td></tr>
-<tr><td>49,6</td><td>13751</td><td> 27719</td><td>52,0</td><td>15890</td><td> 30552</td><td>Fylkesmannen i Nordland</td></tr>
-<tr><td>50,0</td><td>24782</td><td> 49479</td><td>51,0</td><td>26239</td><td> 51366</td><td>Fylkesmannen i Oslo og Akershus</td></tr>
-<tr><td>50,3</td><td>2528</td><td> 5019</td><td> 0,0</td><td> 0</td><td> 0</td><td>Norsk kulturråd</td></tr>
-<tr><td>56,0</td><td>4779</td><td> 8520</td><td>54,5</td><td>3234</td><td> 5931</td><td>Direktoratet for nødkommunikasjon</td></tr>
-<tr><td>60,1</td><td>2575</td><td> 4283</td><td>35,9</td><td> 476</td><td> 1324</td><td>Kriminalomsorgsdirektoratet</td></tr>
-<tr><td>68,1</td><td>18020</td><td> 26457</td><td>72,2</td><td>17108</td><td> 23665</td><td>Skattedirektoratet</td></tr>
-<tr><td>70,2</td><td>3401</td><td> 4840</td><td>73,3</td><td>2773</td><td> 3779</td><td>Statens innkrevingssentral</td></tr>
-<tr><td>70,6</td><td>12556</td><td> 17777</td><td>60,8</td><td>11650</td><td> 19151</td><td>Statens helsetilsyn</td></tr>
-<tr><td>75,3</td><td>7878</td><td> 10451</td><td>69,3</td><td>7756</td><td> 11182</td><td>Toll- og avgiftsdirektoratet</td></tr>
-<tr><td>76,5</td><td>1160</td><td> 1516</td><td>78,7</td><td>1176</td><td> 1493</td><td>Statens arbeidsmiljøinstitutt</td></tr>
-<tr><td>82,2</td><td>112634</td><td>137014</td><td>81,2</td><td>85210</td><td>104865</td><td>Husbanken</td></tr>
-<tr><td>87,0</td><td>82220</td><td> 94471</td><td>88,8</td><td>84903</td><td> 95532</td><td>Norges forskningsråd</td></tr>
-<tr><td>87,1</td><td>10266</td><td> 11783</td><td>87,2</td><td>1389</td><td> 1592</td><td>Garantiinstituttet for eksportkreditt</td></tr>
-</table>
-
-<p>Jeg synes det er interessant hvordan instanser som tilsynelatende
-driver med det samme (som vegvesenet og fylkesmennene) har så stor
-spredning i hemmeligholdet. Vegvesenet spenner fra 8,8 til 14,0
-prosent, mens fylkesmennene spenner fra 13,0 til 50,0 prosent! Mon
-tro om det er regionale forskjeller som ligger bak, eller om det er
-kulturforskjeller internt i organisasjonene som er årsaken.</p>
-
-<p>Det er interessant å sammenligne hvor hemmelighetsfulle instansene
-er med
-<ahref="http://people.skolelinux.org/pere/blog/Mer_detaljert_OEP_statisikk_for_2014_over_journalf_rte__gamle__dokumenter.html">oversikten
-over hvor mange gamle dokumenter de journalfører</a> som jeg
-publiserte for tre dager siden.</p>
+ <title>Detecting NFS hangs on Linux without hanging yourself...</title>
+ <link>http://people.skolelinux.org/pere/blog/Detecting_NFS_hangs_on_Linux_without_hanging_yourself___.html</link>
+ <guid isPermaLink="true">http://people.skolelinux.org/pere/blog/Detecting_NFS_hangs_on_Linux_without_hanging_yourself___.html</guid>
+ <pubDate>Thu, 9 Mar 2017 15:20:00 +0100</pubDate>
+ <description><p>Over the years, administrating thousand of NFS mounting linux
+computers at the time, I often needed a way to detect if the machine
+was experiencing NFS hang. If you try to use <tt>df</tt> or look at a
+file or directory affected by the hang, the process (and possibly the
+shell) will hang too. So you want to be able to detect this without
+risking the detection process getting stuck too. It has not been
+obvious how to do this. When the hang has lasted a while, it is
+possible to find messages like these in dmesg:</p>
+
+<p><blockquote>
+nfs: server nfsserver not responding, still trying
+<br>nfs: server nfsserver OK
+</blockquote></p>
+
+<p>It is hard to know if the hang is still going on, and it is hard to
+be sure looking in dmesg is going to work. If there are lots of other
+messages in dmesg the lines might have rotated out of site before they
+are noticed.</p>
+
+<p>While reading through the nfs client implementation in linux kernel
+code, I came across some statistics that seem to give a way to detect
+it. The om_timeouts sunrpc value in the kernel will increase every
+time the above log entry is inserted into dmesg. And after digging a
+bit further, I discovered that this value show up in
+/proc/self/mountstats on Linux.</p>
+
+<p>The mountstats content seem to be shared between files using the
+same file system context, so it is enough to check one of the
+mountstats files to get the state of the mount point for the machine.
+I assume this will not show lazy umounted NFS points, nor NFS mount
+points in a different process context (ie with a different filesystem
+view), but that does not worry me.</p>
+
+<p>The content for a NFS mount point look similar to this:</p>
+
+<p><blockquote><pre>
+[...]
+device /dev/mapper/Debian-var mounted on /var with fstype ext3
+device nfsserver:/mnt/nfsserver/home0 mounted on /mnt/nfsserver/home0 with fstype nfs statvers=1.1
+ opts: rw,vers=3,rsize=65536,wsize=65536,namlen=255,acregmin=3,acregmax=60,acdirmin=30,acdirmax=60,soft,nolock,proto=tcp,timeo=600,retrans=2,sec=sys,mountaddr=129.240.3.145,mountvers=3,mountport=4048,mountproto=udp,local_lock=all
+ age: 7863311
+ caps: caps=0x3fe7,wtmult=4096,dtsize=8192,bsize=0,namlen=255
+ sec: flavor=1,pseudoflavor=1
+ events: 61063112 732346265 1028140 35486205 16220064 8162542 761447191 71714012 37189 3891185 45561809 110486139 4850138 420353 15449177 296502 52736725 13523379 0 52182 9016896 1231 0 0 0 0 0
+ bytes: 166253035039 219519120027 0 0 40783504807 185466229638 11677877 45561809
+ RPC iostats version: 1.0 p/v: 100003/3 (nfs)
+ xprt: tcp 925 1 6810 0 0 111505412 111480497 109 2672418560317 0 248 53869103 22481820
+ per-op statistics
+ NULL: 0 0 0 0 0 0 0 0
+ GETATTR: 61063106 61063108 0 9621383060 6839064400 453650 77291321 78926132
+ SETATTR: 463469 463470 0 92005440 66739536 63787 603235 687943
+ LOOKUP: 17021657 17021657 0 3354097764 4013442928 57216 35125459 35566511
+ ACCESS: 14281703 14290009 5 2318400592 1713803640 1709282 4865144 7130140
+ READLINK: 125 125 0 20472 18620 0 1112 1118
+ READ: 4214236 4214237 0 715608524 41328653212 89884 22622768 22806693
+ WRITE: 8479010 8494376 22 187695798568 1356087148 178264904 51506907 231671771
+ CREATE: 171708 171708 0 38084748 46702272 873 1041833 1050398
+ MKDIR: 3680 3680 0 773980 993920 26 23990 24245
+ SYMLINK: 903 903 0 233428 245488 6 5865 5917
+ MKNOD: 80 80 0 20148 21760 0 299 304
+ REMOVE: 429921 429921 0 79796004 61908192 3313 2710416 2741636
+ RMDIR: 3367 3367 0 645112 484848 22 5782 6002
+ RENAME: 466201 466201 0 130026184 121212260 7075 5935207 5961288
+ LINK: 289155 289155 0 72775556 67083960 2199 2565060 2585579
+ READDIR: 2933237 2933237 0 516506204 13973833412 10385 3190199 3297917
+ READDIRPLUS: 1652839 1652839 0 298640972 6895997744 84735 14307895 14448937
+ FSSTAT: 6144 6144 0 1010516 1032192 51 9654 10022
+ FSINFO: 2 2 0 232 328 0 1 1
+ PATHCONF: 1 1 0 116 140 0 0 0
+ COMMIT: 0 0 0 0 0 0 0 0
+
+device binfmt_misc mounted on /proc/sys/fs/binfmt_misc with fstype binfmt_misc
+[...]
+</pre></blockquote></p>
+
+<p>The key number to look at is the third number in the per-op list.
+It is the number of NFS timeouts experiences per file system
+operation. Here 22 write timeouts and 5 access timeouts. If these
+numbers are increasing, I believe the machine is experiencing NFS
+hang. Unfortunately the timeout value do not start to increase right
+away. The NFS operations need to time out first, and this can take a
+while. The exact timeout value depend on the setup. For example the
+defaults for TCP and UDP mount points are quite different, and the
+timeout value is affected by the soft, hard, timeo and retrans NFS
+mount options.</p>
+
+<p>The only way I have been able to get working on Debian and RedHat
+Enterprise Linux for getting the timeout count is to peek in /proc/.
+But according to
+<ahref="http://docs.oracle.com/cd/E19253-01/816-4555/netmonitor-12/index.html">Solaris
+10 System Administration Guide: Network Services</a>, the 'nfsstat -c'
+command can be used to get these timeout values. But this do not work
+on Linux, as far as I can tell. I
+<ahref="http://bugs.debian.org/857043">asked Debian about this</a>,
+but have not seen any replies yet.</p>
+
+<p>Is there a better way to figure out if a Linux NFS client is
+experiencing NFS hangs? Is there a way to detect which processes are
+affected? Is there a way to get the NFS mount going quickly once the
+network problem causing the NFS hang has been cleared? I would very
+much welcome some clues, as we regularly run into NFS hangs.</p>