2
# AUTHOR <EMAIL@ADDRESS>, YEAR.
6
"Project-Id-Version: 0\n"
7
"POT-Creation-Date: 2012-10-17T05:19:02\n"
8
"PO-Revision-Date: 2012-05-07 11:42+0100\n"
9
"Last-Translator: RaSca <rasca@miamammausalinux.org>\n"
10
"Language-Team: None\n"
13
"Content-Type: text/plain; charset=UTF-8\n"
14
"Content-Transfer-Encoding: 8bit\n"
18
msgid "Configure STONITH"
19
msgstr "Configurare STONITH"
23
msgid "<anchor id=\"ch-stonith\" xreflabel=\"Chapter 13, STONITH\"></anchor> <indexterm> <primary>STONITH</primary><secondary>Configuration</secondary> </indexterm> <indexterm> <primary>Configuration</primary> </indexterm>"
28
msgid "What Is STONITH"
29
msgstr "Perché c'è bisogno di STONITH"
33
msgid "STONITH is an acronym for Shoot-The-Other-Node-In-The-Head and it protects your data from being corrupted by rogue nodes or concurrent access."
34
msgstr "<ulink url=\"http://en.wikipedia.org/wiki/STONITH\">STONITH</ulink> è l'acronimo di Shoot-The-Other-Node-In-The-Head (Spara in testa all'altro nodo) e protegge i propri dati dall'essere corrotti mediante nodi ribelli od accessi concorrenti."
38
msgid "Just because a node is unresponsive, this doesn’t mean it isn’t accessing your data. The only way to be 100% sure that your data is safe, is to use STONITH so we can be certain that the node is truly offline, before allowing the data to be accessed from another node."
39
msgstr "Solo perché un nodo non risponde, non significa che non sta accedendo ai dati. L'unica via per essere al 100% certi che i propri dati siano al sicuro è quella di utilizzare STONITH in modo da essere certi che un nodo sia realmente spento, prima di consentire l'accesso ai dati ad un altro nodo."
43
msgid "STONITH also has a role to play in the event that a clustered service cannot be stopped. In this case, the cluster uses STONITH to force the whole node offline, thereby making it safe to start the service elsewhere."
44
msgstr "STONITH ha un ruolo da gionare anche nel caso in cui i servizi clusterizzati non possono essere stoppati. In questi casi, il cluster utilizza STONITH per spegnere forzatamente l'intero nodo, ed essere quindi certo che il servizio possa essere avviato altrove in sicurezza."
48
msgid "What STONITH Device Should You Use"
49
msgstr "Quale STONITH device si dovrebbe usare"
53
msgid "It is crucial that the STONITH device can allow the cluster to differentiate between a node failure and a network one."
54
msgstr "E' cruciale che il device STONITH consenta al cluster di differenziare tra un'anomalia del nodo ed una di rete."
58
msgid "The biggest mistake people make in choosing a STONITH device is to use remote power switch (such as many on-board IMPI controllers) that shares power with the node it controls. In such cases, the cluster cannot be sure if the node is really offline, or active and suffering from a network fault."
59
msgstr "Il più grande errore generalmente commesso nella scelta del device STONITH è quello di usare un remote power switch (come molti on-board IMPI controller) che condividono l'alimentazione con il nodo che controllano. In questi casi, il cluster non può essere certo del fatto che il nodo sia realmente offline, oppure attivo, ma con problemi di rete."
63
msgid "Likewise, any device that relies on the machine being active (such as SSH-based \"devices\" used during testing) are inappropriate."
64
msgstr "Similarmente ogni device che risiede sulla macchina attiva (come i device SSH utilizzati per i test) risulta inappropriato."
68
msgid "Configuring STONITH"
69
msgstr "Configurare STONITH"
73
msgid "Find the correct driver: <literal>stonith_admin --list-installed</literal>"
74
msgstr "Determinare il driver corretto: <command>stonith_admin --list-installed</command>"
78
msgid "Since every device is different, the parameters needed to configure it will vary. To find out the parameters associated with the device, run: <literal>stonith_admin --metadata --agent type</literal>"
79
msgstr "Dato che ogni device è diverso, i parametri necessari per configurarlo possono variare. Per trovare i parametri associati al device è sufficiente lanciare:"
84
"The output should be XML formatted text containing additional\n"
85
"parameter descriptions. We will endevor to make the output more\n"
86
"friendly in a later version."
87
msgstr "L'output dovrebbe risultare in testo formattato in XML contenente le descrizioni dei parametri. Nelle prossime versioni l'output verrà reso più leggibile."
91
msgid "Enter the shell crm Create an editable copy of the existing configuration <literal>cib new stonith</literal> Create a fencing resource containing a primitive resource with a class of stonith, a type of type and a parameter for each of the values returned in step 2: <literal>configure primitive …</literal>"
92
msgstr "Creare un file chiamato stonith.xml contenente una risorsa primitiva con una classe di stonith, un tipo di <replaceable>type</replaceable> ed un parametro per ciascuno dei valori restituiti nel passo 2"
96
msgid "If the device does not know how to fence nodes based on their uname, you may also need to set the special <literal>pcmk_host_map</literal> parameter. See <literal>man stonithd</literal> for details."
97
msgstr "Se il device non conosce come effettuare il fence dei nodi in base al relativo uname, potrebbe essere necessario valorizzare il parametro speciale <constant>pcmk_host_map</constant>. Vedere <command>man stonithd</command> per i dettagli."
100
#, fuzzy, no-c-format
101
msgid "If the device does not support the list command, you may also need to set the special <literal>pcmk_host_list</literal> and/or <literal>pcmk_host_check</literal> parameters. See <literal>man stonithd</literal> for details."
102
msgstr "Se il device non supporta il comando <constant>list</constant> è possibile valorizzare i parametri speciali <constant>pcmk_host_list</constant> e/o <constant>pcmk_host_check</constant>. Vedere <command>man stonithd</command> per dettagli."
105
#, fuzzy, no-c-format
106
msgid "If the device does not expect the victim to be specified with the port parameter, you may also need to set the special <literal>pcmk_host_argument</literal> parameter. See <literal>man stonithd</literal> for details."
107
msgstr "Se il device non si aspetta che la vittima venga specificata con il parametro <constant>port</constant>, potrebbe essere necessario valorizzare il parametro speciale <constant>pcmk_host_argument</constant>. Vedere <command>man stonithd</command> per dettagli."
111
msgid "Upload it into the CIB from the shell: <literal>cib commit stonith</literal>"
115
#, fuzzy, no-c-format
116
msgid "Once the stonith resource is running, you can test it by executing: <literal>stonith_admin --reboot nodename</literal>. Although you might want to stop the cluster on that machine first."
117
msgstr "Una volta che la risorsa stonith sta funzionando, è possibile testarla eseguendo: <command>stonith_admin --reboot <replaceable>nodename</replaceable></command>. Su questa macchina sarebbe certamente preferibile effettuare prima uno stop del servizio cluster."
125
#, fuzzy, no-c-format
126
msgid "Assuming we have an chassis containing four nodes and an IPMI device active on 10.0.0.1, then we would chose the fence_ipmilan driver in step 2 and obtain the following list of parameters"
127
msgstr "Assumendo di possedere uno chassis contenente quattro nodi ed un device IPMI attivo su 10.0.0.1, allora nel passo 2 verrà selezionato il driver <literal>fence_ipmilan</literal> e si otterrà la seguente lista di parametri"
131
msgid "Obtaining a list of STONITH Parameters"
132
msgstr "Ottenere la lista dei parametri STONITH"
134
#. Tag: programlisting
136
msgid "# stonith_admin --metadata -a fence_ipmilan"
139
#. Tag: programlisting
140
#, fuzzy, no-c-format
142
"<?xml version=\"1.0\" ?>\n"
143
"<resource-agent name=\"fence_ipmilan\" shortdesc=\"Fence agent for IPMI over LAN\">\n"
145
"fence_ipmilan is an I/O Fencing agent which can be used with machines controlled by IPMI. This agent calls support software using ipmitool (http://ipmitool.sf.net/).\n"
147
"To use fence_ipmilan with HP iLO 3 you have to enable lanplus option (lanplus / -P) and increase wait after operation to 4 seconds (power_wait=4 / -T 4)</longdesc>\n"
148
"<parameters>\n"
149
" <parameter name=\"auth\" unique=\"1\">\n"
150
" <getopt mixed=\"-A\" />\n"
151
" <content type=\"string\" />\n"
152
" <shortdesc>IPMI Lan Auth type (md5, password, or none)</shortdesc>\n"
153
" </parameter>\n"
154
" <parameter name=\"ipaddr\" unique=\"1\">\n"
155
" <getopt mixed=\"-a\" />\n"
156
" <content type=\"string\" />\n"
157
" <shortdesc>IPMI Lan IP to talk to</shortdesc>\n"
158
" </parameter>\n"
159
" <parameter name=\"passwd\" unique=\"1\">\n"
160
" <getopt mixed=\"-p\" />\n"
161
" <content type=\"string\" />\n"
162
" <shortdesc>Password (if required) to control power on IPMI device</shortdesc>\n"
163
" </parameter>\n"
164
" <parameter name=\"passwd_script\" unique=\"1\">\n"
165
" <getopt mixed=\"-S\" />\n"
166
" <content type=\"string\" />\n"
167
" <shortdesc>Script to retrieve password (if required)</shortdesc>\n"
168
" </parameter>\n"
169
" <parameter name=\"lanplus\" unique=\"1\">\n"
170
" <getopt mixed=\"-P\" />\n"
171
" <content type=\"boolean\" />\n"
172
" <shortdesc>Use Lanplus</shortdesc>\n"
173
" </parameter>\n"
174
" <parameter name=\"login\" unique=\"1\">\n"
175
" <getopt mixed=\"-l\" />\n"
176
" <content type=\"string\" />\n"
177
" <shortdesc>Username/Login (if required) to control power on IPMI device</shortdesc>\n"
178
" </parameter>\n"
179
" <parameter name=\"action\" unique=\"1\">\n"
180
" <getopt mixed=\"-o\" />\n"
181
" <content type=\"string\" default=\"reboot\"/>\n"
182
" <shortdesc>Operation to perform. Valid operations: on, off, reboot, status, list, diag, monitor or metadata</shortdesc>\n"
183
" </parameter>\n"
184
" <parameter name=\"timeout\" unique=\"1\">\n"
185
" <getopt mixed=\"-t\" />\n"
186
" <content type=\"string\" />\n"
187
" <shortdesc>Timeout (sec) for IPMI operation</shortdesc>\n"
188
" </parameter>\n"
189
" <parameter name=\"cipher\" unique=\"1\">\n"
190
" <getopt mixed=\"-C\" />\n"
191
" <content type=\"string\" />\n"
192
" <shortdesc>Ciphersuite to use (same as ipmitool -C parameter)</shortdesc>\n"
193
" </parameter>\n"
194
" <parameter name=\"method\" unique=\"1\">\n"
195
" <getopt mixed=\"-M\" />\n"
196
" <content type=\"string\" default=\"onoff\"/>\n"
197
" <shortdesc>Method to fence (onoff or cycle)</shortdesc>\n"
198
" </parameter>\n"
199
" <parameter name=\"power_wait\" unique=\"1\">\n"
200
" <getopt mixed=\"-T\" />\n"
201
" <content type=\"string\" default=\"2\"/>\n"
202
" <shortdesc>Wait X seconds after on/off operation</shortdesc>\n"
203
" </parameter>\n"
204
" <parameter name=\"delay\" unique=\"1\">\n"
205
" <getopt mixed=\"-f\" />\n"
206
" <content type=\"string\" />\n"
207
" <shortdesc>Wait X seconds before fencing is started</shortdesc>\n"
208
" </parameter>\n"
209
" <parameter name=\"verbose\" unique=\"1\">\n"
210
" <getopt mixed=\"-v\" />\n"
211
" <content type=\"boolean\" />\n"
212
" <shortdesc>Verbose mode</shortdesc>\n"
213
" </parameter>\n"
214
"</parameters>\n"
216
" <action name=\"on\" />\n"
217
" <action name=\"off\" />\n"
218
" <action name=\"reboot\" />\n"
219
" <action name=\"status\" />\n"
220
" <action name=\"diag\" />\n"
221
" <action name=\"list\" />\n"
222
" <action name=\"monitor\" />\n"
223
" <action name=\"metadata\" />\n"
225
"</resource-agent>"
228
"# stonith_admin --metadata -a fence_ipmilan\n"
230
"<?xml version="1.0" ?>\n"
231
"<resource-agent name="fence_ipmilan" shortdesc="Fence agent for IPMI over LAN">\n"
232
"<longdesc>\n"
233
"fence_ipmilan is an I/O Fencing agent which can be used with machines controlled by IPMI. This agent calls support software using ipmitool (http://ipmitool.sf.net/).\n"
235
"To use fence_ipmilan with HP iLO 3 you have to enable lanplus option (lanplus / -P) and increase wait after operation to 4 seconds (power_wait=4 / -T 4)</longdesc>\n"
236
"<parameters>\n"
237
"\t<parameter name="auth" unique="1">\n"
238
"\t\t<getopt mixed="-A" />\n"
239
"\t\t<content type="string" />\n"
240
"\t\t<shortdesc lang="en">IPMI Lan Auth type (md5, password, or none)</shortdesc>\n"
241
"\t</parameter>\n"
242
"\t<parameter name="ipaddr" unique="1">\n"
243
"\t\t<getopt mixed="-a" />\n"
244
"\t\t<content type="string" />\n"
245
"\t\t<shortdesc lang="en">IPMI Lan IP to talk to</shortdesc>\n"
246
"\t</parameter>\n"
247
"\t<parameter name="passwd" unique="1">\n"
248
"\t\t<getopt mixed="-p" />\n"
249
"\t\t<content type="string" />\n"
250
"\t\t<shortdesc lang="en">Password (if required) to control power on IPMI device</shortdesc>\n"
251
"\t</parameter>\n"
252
"\t<parameter name="passwd_script" unique="1">\n"
253
"\t\t<getopt mixed="-S" />\n"
254
"\t\t<content type="string" />\n"
255
"\t\t<shortdesc lang="en">Script to retrieve password (if required)</shortdesc>\n"
256
"\t</parameter>\n"
257
"\t<parameter name="lanplus" unique="1">\n"
258
"\t\t<getopt mixed="-P" />\n"
259
"\t\t<content type="boolean" />\n"
260
"\t\t<shortdesc lang="en">Use Lanplus</shortdesc>\n"
261
"\t</parameter>\n"
262
"\t<parameter name="login" unique="1">\n"
263
"\t\t<getopt mixed="-l" />\n"
264
"\t\t<content type="string" />\n"
265
"\t\t<shortdesc lang="en">Username/Login (if required) to control power on IPMI device</shortdesc>\n"
266
"\t</parameter>\n"
267
"\t<parameter name="action" unique="1">\n"
268
"\t\t<getopt mixed="-o" />\n"
269
"\t\t<content type="string" default="reboot"/>\n"
270
"\t\t<shortdesc lang="en">Operation to perform. Valid operations: on, off, reboot, status, list, diag, monitor or metadata</shortdesc>\n"
271
"\t</parameter>\n"
272
"\t<parameter name="timeout" unique="1">\n"
273
"\t\t<getopt mixed="-t" />\n"
274
"\t\t<content type="string" />\n"
275
"\t\t<shortdesc lang="en">Timeout (sec) for IPMI operation</shortdesc>\n"
276
"\t</parameter>\n"
277
"\t<parameter name="cipher" unique="1">\n"
278
"\t\t<getopt mixed="-C" />\n"
279
"\t\t<content type="string" />\n"
280
"\t\t<shortdesc lang="en">Ciphersuite to use (same as ipmitool -C parameter)</shortdesc>\n"
281
"\t</parameter>\n"
282
"\t<parameter name="method" unique="1">\n"
283
"\t\t<getopt mixed="-M" />\n"
284
"\t\t<content type="string" default="onoff"/>\n"
285
"\t\t<shortdesc lang="en">Method to fence (onoff or cycle)</shortdesc>\n"
286
"\t</parameter>\n"
287
"\t<parameter name="power_wait" unique="1">\n"
288
"\t\t<getopt mixed="-T" />\n"
289
"\t\t<content type="string" default="2"/>\n"
290
"\t\t<shortdesc lang="en">Wait X seconds after on/off operation</shortdesc>\n"
291
"\t</parameter>\n"
292
"\t<parameter name="delay" unique="1">\n"
293
"\t\t<getopt mixed="-f" />\n"
294
"\t\t<content type="string" />\n"
295
"\t\t<shortdesc lang="en">Wait X seconds before fencing is started</shortdesc>\n"
296
"\t</parameter>\n"
297
"\t<parameter name="verbose" unique="1">\n"
298
"\t\t<getopt mixed="-v" />\n"
299
"\t\t<content type="boolean" />\n"
300
"\t\t<shortdesc lang="en">Verbose mode</shortdesc>\n"
301
"\t</parameter>\n"
302
"</parameters>\n"
303
"<actions>\n"
304
"\t<action name="on" />\n"
305
"\t<action name="off" />\n"
306
"\t<action name="reboot" />\n"
307
"\t<action name="status" />\n"
308
"\t<action name="diag" />\n"
309
"\t<action name="list" />\n"
310
"\t<action name="monitor" />\n"
311
"\t<action name="metadata" />\n"
312
"</actions>\n"
313
"</resource-agent>\n"
317
msgid "from which we would create a STONITH resource fragment that might look like this"
318
msgstr "da cui sarà possibile creare una risorsa STONITH che assomigli alla seguente"
322
msgid "Sample STONITH Resource"
323
msgstr "Esempio di risorsa STONITH"
325
#. Tag: programlisting
328
"# crm crm(live)# cib new stonith\n"
329
"INFO: stonith shadow CIB created\n"
330
"crm(stonith)# configure primitive impi-fencing stonith::fence_ipmilan \\\n"
331
" params pcmk_host_list=\"pcmk-1 pcmk-2\" ipaddr=10.0.0.1 login=testuser passwd=abc123 \\\n"
332
" op monitor interval=\"60s\""
337
msgid "And finally, since we disabled it earlier, we need to re-enable STONITH. At this point we should have the following configuration."
342
msgid "Now push the configuration into the cluster."
345
#. Tag: programlisting
348
"crm(stonith)# configure property stonith-enabled=\"true\"\n"
349
"crm(stonith)# configure shownode pcmk-1\n"
351
"primitive WebData ocf:linbit:drbd \\\n"
352
" params drbd_resource=\"wwwdata\" \\\n"
353
" op monitor interval=\"60s\"\n"
354
"primitive WebFS ocf:heartbeat:Filesystem \\\n"
355
" params device=\"/dev/drbd/by-res/wwwdata\" directory=\"/var/www/html\" fstype=\"gfs2\"\n"
356
"primitive WebSite ocf:heartbeat:apache \\\n"
357
" params configfile=\"/etc/httpd/conf/httpd.conf\" \\\n"
358
" op monitor interval=\"1min\"\n"
359
"primitive ClusterIP ocf:heartbeat:IPaddr2 \\\n"
360
" params ip=\"192.168.122.101\" cidr_netmask=\"32\" clusterip_hash=\"sourceip\" \\\n"
361
" op monitor interval=\"30s\"primitive ipmi-fencing stonith::fence_ipmilan \\ params pcmk_host_list=\"pcmk-1 pcmk-2\" ipaddr=10.0.0.1 login=testuser passwd=abc123 \\ op monitor interval=\"60s\"ms WebDataClone WebData \\\n"
362
" meta master-max=\"2\" master-node-max=\"1\" clone-max=\"2\" clone-node-max=\"1\" notify=\"true\"\n"
363
"clone WebFSClone WebFS\n"
364
"clone WebIP ClusterIP \\\n"
365
" meta globally-unique=\"true\" clone-max=\"2\" clone-node-max=\"2\"\n"
366
"clone WebSiteClone WebSite\n"
367
"colocation WebSite-with-WebFS inf: WebSiteClone WebFSClone\n"
368
"colocation fs_on_drbd inf: WebFSClone WebDataClone:Master\n"
369
"colocation website-with-ip inf: WebSiteClone WebIP\n"
370
"order WebFS-after-WebData inf: WebDataClone:promote WebFSClone:start\n"
371
"order WebSite-after-WebFS inf: WebFSClone WebSiteClone\n"
372
"order apache-after-ip inf: WebIP WebSiteClone\n"
373
"property $id=\"cib-bootstrap-options\" \\\n"
374
" dc-version=\"1.1.5-bdd89e69ba545404d02445be1f3d72e6a203ba2f\" \\\n"
375
" cluster-infrastructure=\"openais\" \\\n"
376
" expected-quorum-votes=\"2\" \\\n"
377
" stonith-enabled=\"true\" \\\n"
378
" no-quorum-policy=\"ignore\"\n"
379
"rsc_defaults $id=\"rsc-options\" \\\n"
380
" resource-stickiness=\"100\"\n"
381
"crm(stonith)# cib commit stonithINFO: commited 'stonith' shadow CIB to the cluster\n"
382
"crm(stonith)# quit\n"
386
#~ msgid "Protecting Your Data - STONITH"
387
#~ msgstr "Proteggere i propri dati - STONITH"
389
#~ msgid "<command>stonith_admin --metadata --agent <replaceable>type</replaceable></command>"
390
#~ msgstr "<command>stonith_admin --metadata --agent <replaceable>type</replaceable></command>"
392
#~ msgid "Upload it into the CIB using cibadmin: <command>cibadmin -C -o resources --xml-file <filename><replaceable>stonith.xml</replaceable></filename></command>"
393
#~ msgstr "Effettuare l'upload all'interno del CIB utilizzando cibadmin: <command>cibadmin -C -o resources --xml-file <filename><replaceable>stonith.xml</replaceable></filename></command>"
398
#~ " <primitive id="ipmi" class="stonith" type="fence_ipmilan">\n"
399
#~ " <operations>\n"
400
#~ " <op id="ipmi-mon-1" name="monitor" interval="120s"/>\n"
401
#~ " </operations>\n"
402
#~ " <instance_attributes id="ipmi-parameters">\n"
403
#~ " <nvpair id="ipmi-attr-1" name="pcmk_host_list" value="node1 node2 node3 node4"/>\n"
404
#~ " <nvpair id="ipmi-attr-1" name="ipaddr" value="10.0.0.1"/>\n"
405
#~ " <nvpair id="ipmi-attr-1" name="login" value="testuser"/>\n"
406
#~ " <nvpair id="ipmi-attr-1" name="passwd" value="abc123"/>\n"
407
#~ " </instance_attributes>\n"
408
#~ " </primitive>\n"
414
#~ " <primitive id="ipmi" class="stonith" type="fence_ipmilan">\n"
415
#~ " <operations>\n"
416
#~ " <op id="ipmi-mon-1" name="monitor" interval="120s"/>\n"
417
#~ " </operations>\n"
418
#~ " <instance_attributes id="ipmi-parameters">\n"
419
#~ " <nvpair id="ipmi-attr-1" name="pcmk_host_list" value="node1 node2 node3 node4"/>\n"
420
#~ " <nvpair id="ipmi-attr-1" name="ipaddr" value="10.0.0.1"/>\n"
421
#~ " <nvpair id="ipmi-attr-1" name="login" value="testuser"/>\n"
422
#~ " <nvpair id="ipmi-attr-1" name="passwd" value="abc123"/>\n"
423
#~ " </instance_attributes>\n"
424
#~ " </primitive>\n"
added
removed
doc/Pacemaker_Explained/it-IT/Ch-Stonith.po
