EMC CONFIDENTIAL EMC® Avamar® 7.3 Technical Addendum P/N 302-002-864 REV 01 EMC CONFIDENTIAL Copyright © 2001- 2016 EMC Corporation. All rights reserved. Published in the USA. Published April, 2016 EMC believes the information in this publication is accurate as of its publication date. The information is subject to change without notice. The information in this publication is provided as is. EMC Corporation makes no representations or warranties of any kind with respect to the information in this publication, and specifically disclaims implied warranties of merchantability or fitness for a particular purpose. Use, copying, and distribution of any EMC software described in this publication requires an applicable software license. EMC2, EMC, and the EMC logo are registered trademarks or trademarks of EMC Corporation in the United States and other countries. All other trademarks used herein are the property of their respective owners. For the most up-to-date regulatory document for your product line, go to the technical documentation and advisories section on the EMC online support website. 2 EMC Avamar 7.3 Technical Addendum EMC CONFIDENTIAL CONTENTS Preface Chapter 1 Advanced Technical Information Checkpoints................................................................................................ 24 Full checkpoints.................................................................................... 24 Valid checkpoints................................................................................. 24 Checkpoint verification............................................................................... 24 Important terms and concepts............................................................... 25 Operational overview............................................................................ 25 Common hfscheck error codes.............................................................. 26 HFS check throttling.............................................................................. 28 Types of checks performed.................................................................... 29 Automatic stripe repair.......................................................................... 30 Rolling HFS checks................................................................................ 33 Event throttling........................................................................................... 35 Retention types........................................................................................... 36 Server dynamic load balancing................................................................... 38 Storage file types........................................................................................ 39 Timezone notes.......................................................................................... 40 Maintenance window compatibility....................................................... 40 Consult the local site administrator....................................................... 40 Daylight savings time considerations.................................................... 40 Avoid local timezones that ignore local DST laws.................................. 40 Do not use GMT as local timezone for England...................................... 40 Select capital city or nearest large city for small countries..................... 41 Additional timezone resources.............................................................. 41 Chapter 2 Command Reference Run locations.............................................................................................. 47 Boolean option behavior and syntax........................................................... 47 Wildcards.................................................................................................... 47 Numeric plug-in descriptors........................................................................ 48 5minute_cron_run...................................................................................... 51 10minute_cron_run.................................................................................... 52 ascd............................................................................................................ 53 asktime...................................................................................................... 54 avacl........................................................................................................... 60 avagent....................................................................................................... 61 avidbmaint.pl............................................................................................. 67 avinstaller.pl............................................................................................... 68 avldap........................................................................................................ 69 avlockboxcfg............................................................................................... 71 avmaint...................................................................................................... 73 avmaint access..................................................................................... 81 avmaint atrestencryption...................................................................... 82 avmaint autorestart............................................................................... 84 avmaint cancelremovebadhashes......................................................... 86 avmaint cat........................................................................................... 86 EMC Avamar 7.3 Technical Addendum 3 EMC CONFIDENTIAL Contents avmaint checklogs................................................................................ 87 avmaint checkpoint............................................................................... 88 avmaint config...................................................................................... 89 avmaint conversion............................................................................... 98 avmaint crunch..................................................................................... 99 avmaint decommission....................................................................... 101 avmaint ducp...................................................................................... 102 avmaint findbadhashes...................................................................... 102 avmaint garbagecollect....................................................................... 104 avmaint gcstatus................................................................................. 105 avmaint gendata................................................................................. 106 avmaint getclientmsgs........................................................................ 107 avmaint geterrors................................................................................ 108 avmaint getrefby................................................................................. 109 avmaint hfscheck................................................................................ 110 avmaint hfscheckstatus...................................................................... 114 avmaint hfscheckthrottle.................................................................... 117 avmaint infomessage.......................................................................... 119 avmaint kill......................................................................................... 120 avmaint logscan.................................................................................. 121 avmaint lookup................................................................................... 124 avmaint ls........................................................................................... 125 avmaint lscp....................................................................................... 126 avmaint networkconfig........................................................................ 129 avmaint nodelist................................................................................. 130 avmaint perf........................................................................................ 132 avmaint ping....................................................................................... 136 avmaint poolcheck.............................................................................. 137 avmaint rebuildstripe.......................................................................... 139 avmaint removebadhashes................................................................. 140 avmaint rmcp...................................................................................... 141 avmaint sched.................................................................................... 143 avmaint sessions................................................................................ 150 avmaint shutdown.............................................................................. 150 avmaint stats...................................................................................... 151 avmaint stripels.................................................................................. 153 avmaint suspend................................................................................ 154 avmaint test........................................................................................ 155 avmaint testintegrity........................................................................... 156 avmaint timesync................................................................................ 157 avmaint timing.................................................................................... 158 avmaint tracehash.............................................................................. 159 avmgr....................................................................................................... 160 avregister.................................................................................................. 171 avregister.bat............................................................................................ 171 avscc........................................................................................................ 172 avsetup_avamarbin.................................................................................. 174 avsetup_avi.pl.......................................................................................... 174 avsetup_connectemc.pl............................................................................ 174 avsetup_ems............................................................................................ 175 avsetup_mccli........................................................................................... 176 avsetup_mcs............................................................................................ 177 avsetup_mds............................................................................................ 180 avsetup_snmp.......................................................................................... 181 avsetup_webstart..................................................................................... 182 4 EMC Avamar 7.3 Technical Addendum EMC CONFIDENTIAL Contents avsetup_wrapper...................................................................................... 182 avsysconfig............................................................................................... 183 avsysreport............................................................................................... 184 avtar......................................................................................................... 193 avtar.bin................................................................................................... 217 axion_install............................................................................................. 217 axionfs...................................................................................................... 220 backendreport.......................................................................................... 223 backup_upgrade_files............................................................................... 225 btfix.......................................................................................................... 227 capacity.sh............................................................................................... 228 change-passwords.................................................................................... 229 change_nodetype..................................................................................... 231 check.dpn................................................................................................. 232 check.mcs................................................................................................. 235 checklib.pm.............................................................................................. 235 clean_db.pl............................................................................................... 236 clean.dpn................................................................................................. 239 convert-probe........................................................................................... 240 copy-ata-drive........................................................................................... 241 copy-checkpoint........................................................................................ 243 cp_cron..................................................................................................... 245 cplist........................................................................................................ 246 cps........................................................................................................... 249 create_newconfigs.................................................................................... 250 cron_env_wrapper.................................................................................... 250 dbcreate_mds........................................................................................... 251 dbload.sh................................................................................................. 251 dbmaint.sh............................................................................................... 252 dbpurge.sh............................................................................................... 253 dbUpdateActivitiesExt.pl........................................................................... 255 ddrmgrcli.................................................................................................. 255 decommission.node................................................................................. 255 delete-snapups......................................................................................... 257 disktest.pl................................................................................................ 259 dpn.pm..................................................................................................... 260 dpncron.pm.............................................................................................. 260 dpnctl....................................................................................................... 260 dpnfsctl.................................................................................................... 270 dpnnetutil................................................................................................. 271 dpnsummary............................................................................................. 279 dpn-time-config........................................................................................ 282 dt and dtsh............................................................................................... 284 dump_accounts........................................................................................ 286 dumpmaintlogs........................................................................................ 287 emserver.sh.............................................................................................. 288 emwebapp.sh........................................................................................... 290 errchk....................................................................................................... 291 evening_cron_run..................................................................................... 292 expire-snapups......................................................................................... 293 gathergsankeydata................................................................................... 295 gcblitz....................................................................................................... 296 gc_cron..................................................................................................... 298 gc_report.................................................................................................. 300 gen-ssl-cert............................................................................................... 301 EMC Avamar 7.3 Technical Addendum 5 EMC CONFIDENTIAL Contents gethostbyname......................................................................................... 302 getlogs...................................................................................................... 303 getnodelogs.............................................................................................. 303 getsnapupstats......................................................................................... 304 health_check.pl........................................................................................ 306 hfscheck_cron........................................................................................... 308 hfscheck_kill............................................................................................. 312 hfsclean.................................................................................................... 314 hfssetup................................................................................................... 314 initacnt..................................................................................................... 315 initialize_connectemc............................................................................... 316 java_update.sh......................................................................................... 317 java_update_avi.sh................................................................................... 318 lm............................................................................................................. 318 load_accounts.......................................................................................... 320 logmrg...................................................................................................... 321 mapall...................................................................................................... 322 mcdbmaint.sh........................................................................................... 325 mcdbsql.sh............................................................................................... 326 mcconfigfirewall_snmp............................................................................. 327 mcddrcopy_sshkey................................................................................... 327 mcddrcreate_sshkey................................................................................. 327 mcddrsetup_sshkey.................................................................................. 328 mcddrsnmp.............................................................................................. 329 mcfeature................................................................................................. 330 mcflush.pl................................................................................................. 331 mcgui.bat................................................................................................. 332 mcgui.sh................................................................................................... 333 mcgui_login.bat........................................................................................ 334 mcserver.sh.............................................................................................. 336 mcsmon_run............................................................................................. 340 mcsnmp.................................................................................................... 340 mcsnmp_cron........................................................................................... 340 mds_ctl..................................................................................................... 341 metadata_cron.......................................................................................... 341 mktime..................................................................................................... 342 modify-snapups........................................................................................ 344 mondo...................................................................................................... 346 monmcs.................................................................................................... 346 monthly_cron_run..................................................................................... 347 morning_cron_run.................................................................................... 347 msgbrokerctl.pl......................................................................................... 348 nodedb..................................................................................................... 349 nodedb add if..................................................................................... 353 nodedb add node................................................................................ 354 nodedb create..................................................................................... 357 nodedb delete if.................................................................................. 358 nodedb delete module........................................................................ 358 nodedb delete nat............................................................................... 359 nodedb delete node............................................................................ 359 nodedb print....................................................................................... 360 nodedb update if................................................................................ 362 nodedb update module....................................................................... 364 nodedb update node........................................................................... 365 nodenumbers........................................................................................... 366 6 EMC Avamar 7.3 Technical Addendum EMC CONFIDENTIAL Contents opstatus.dpn............................................................................................ 368 permctl..................................................................................................... 369 pingmcs.................................................................................................... 370 probe........................................................................................................ 370 probeaux.................................................................................................. 371 probedump............................................................................................... 372 probesingle............................................................................................... 373 propagate-gsan......................................................................................... 374 psregrep................................................................................................... 375 pull-checkpoint......................................................................................... 376 rebuild.node............................................................................................. 377 repl_cron.................................................................................................. 381 replicate................................................................................................... 381 resite........................................................................................................ 389 restart.dpn................................................................................................ 399 resume_crons........................................................................................... 403 rollback.dpn............................................................................................. 404 rununtil..................................................................................................... 405 sched.sh................................................................................................... 406 scn........................................................................................................... 408 securedelete............................................................................................. 411 showperfhistory........................................................................................ 413 shutdown.dpn.......................................................................................... 415 site_inventory........................................................................................... 417 ssn........................................................................................................... 420 start.dpn................................................................................................... 423 start.nodes............................................................................................... 430 stats.sh.................................................................................................... 432 status.dpn................................................................................................ 433 store-checkpoint....................................................................................... 435 stunctl...................................................................................................... 436 suspend_crons......................................................................................... 438 swraidctl................................................................................................... 439 timedist.................................................................................................... 440 timerange................................................................................................. 442 timesyncmon............................................................................................ 443 tomcatctl.................................................................................................. 445 transfer-key............................................................................................... 447 truncate.................................................................................................... 447 ugcheck.................................................................................................... 448 ugcopy...................................................................................................... 449 ugprep...................................................................................................... 450 wait.crunch............................................................................................... 455 wait.dpn................................................................................................... 457 website..................................................................................................... 458 zzdpn........................................................................................................ 460 Chapter 3 Environment Variables AVAMAR_INSTALL_BASEDIR_PATH............................................................. 462 AVAMAR_INSTALL_VARDIR_PATH............................................................... 462 SYSNODEDB.............................................................................................. 462 SYSPROBEDIR........................................................................................... 462 SYSPROBEUSER........................................................................................ 463 EMC Avamar 7.3 Technical Addendum 7 EMC CONFIDENTIAL Contents Chapter 4 Important Files .avamar.................................................................................................... 466 avagent.cfg............................................................................................... 466 AVAMAR-MCS-MIB.txt................................................................................ 466 avinstaller.xml.......................................................................................... 466 com.avamar.asn.module.datastore..................................................... 467 com.avamar.avi................................................................................... 467 com.avamar.avi.repo.......................................................................... 468 com.avamar.avigui.............................................................................. 468 com.avamar.mc.compatibility............................................................. 468 com.avamar.mc.dpn........................................................................... 468 com.avamar.mc.mcsvars..................................................................... 469 avw_start_dpn_options.txt....................................................................... 470 axionfs.cfg................................................................................................ 470 checkpoints.xml........................................................................................ 470 config_info................................................................................................ 471 Multi-node servers.............................................................................. 471 Single-node servers............................................................................ 471 Avamar NDMP Accelerator................................................................... 472 CAT servers......................................................................................... 472 Spare nodes........................................................................................ 472 emclient.xml............................................................................................. 473 emserver.xml............................................................................................ 474 com.avamar.asn................................................................................. 474 com.avamar.asn.module.datastore..................................................... 475 com.avamar.asn.module.mail............................................................. 475 com.avamar.asn.service...................................................................... 475 com.avamar.mc.................................................................................. 476 com.avamar.mc.ca.............................................................................. 476 com.avamar.mc.compatibility............................................................. 478 com.avamar.mc.dashboard................................................................. 478 com.avamar.mc.dpn........................................................................... 478 com.avamar.mc.event......................................................................... 479 com.avamar.mc.mcvars...................................................................... 479 /etc/hosts................................................................................................ 480 File format and syntax......................................................................... 480 Default /etc/hosts files....................................................................... 480 gsankeydata.xml....................................................................................... 481 gsan.log.................................................................................................... 481 license.xml............................................................................................... 482 Login manager configuration files............................................................. 483 logs.DATE.tar............................................................................................. 484 mccli.xml.................................................................................................. 484 com.avamar.mc.cli.............................................................................. 484 mcclient.xml............................................................................................. 485 com.avamar.mc.gui............................................................................. 485 mcclimcs.xml............................................................................................ 486 Default command parameters............................................................. 486 Profiles............................................................................................... 486 Behavior............................................................................................. 486 Default file settings............................................................................. 486 Practical examples.............................................................................. 488 mcserver.xml............................................................................................ 489 com.avamar.asn................................................................................. 489 com.avamar.asn.module.datastore..................................................... 490 8 EMC Avamar 7.3 Technical Addendum EMC CONFIDENTIAL Contents com.avamar.asn.module.mail............................................................. 493 com.avamar.asn.service...................................................................... 494 com.avamar.mc.................................................................................. 494 com.avamar.mc.burm......................................................................... 495 com.avamar.mc.connectemc............................................................... 496 com.avamar.mc.cr............................................................................... 496 com.avamar.mc.datadomain............................................................... 498 com.avamar.mc.dpn........................................................................... 500 com.avamar.mc.dpn.users.................................................................. 503 com.avamar.mc.dtlt............................................................................ 503 com.avamar.mc.event......................................................................... 504 com.avamar.mc.ldap........................................................................... 505 com.avamar.mc.lm.............................................................................. 505 com.avamar.mc.mcsdk....................................................................... 506 com.avamar.mc.mcsm........................................................................ 506 com.avamar.mc.mcsvars..................................................................... 507 com.avamar.mc.mon........................................................................... 508 com.avamar.mc.repl........................................................................... 511 com.avamar.mc.rpt............................................................................. 511 com.avamar.mc.security..................................................................... 512 com.avamar.mc.um............................................................................. 512 com.avamar.mc.vmware..................................................................... 512 com.avamar.mc.wo............................................................................. 513 mktime.custom......................................................................................... 515 mktime.out............................................................................................... 515 ntp.conf*.................................................................................................. 515 probe.out.................................................................................................. 516 Reading a probe.out file...................................................................... 516 Parsing and naming............................................................................ 516 Physical versus logical node numbers................................................. 517 Manually creating a probe.out file....................................................... 518 probe.xml................................................................................................. 520 Elements and attributes used by the probe.xml file............................. 520 Processing precedence....................................................................... 522 Example script for creating probe.xml for a single-node server............ 523 Example probe.xml file for multi-node server....................................... 523 Example script for returning storage node addresses.......................... 524 repl_cron.cfg............................................................................................. 525 step-tickers*............................................................................................. 525 usersettings.cfg........................................................................................ 525 web.xml.................................................................................................... 525 Chapter 5 Important Directories Multi-node server utility nodes.................................................................. 528 Multi-node server storage nodes............................................................... 528 Single-node servers.................................................................................. 528 Client........................................................................................................ 529 EMC Avamar 7.3 Technical Addendum 9 EMC CONFIDENTIAL Contents 10 EMC Avamar 7.3 Technical Addendum
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