Step-by-Step Guide to           NAS (NFS) Failover    over a LAN (with unicast)  Supported by Open-E ® DSS™Software Versio...
NAS (NFS) Failover over a LAN Open-E DSS NAS (NFS) Failover is a fault tolerance process via NAS volume replication, that...
NAS (NFS) Failover over a LANVOLUME REPLICATION WITH FAILOVER BETWEEN TWO SYSTEMSWITHIN ONE LANRecommended Resources     ...
NAS (NFS) Failover over a LAN                                      • Data is written and read to System 1 (primary)       ...
NAS (NFS) Failover over a LAN                        • In case system malfunction or power failure or lost network connect...
NAS (NFS) Failover over a LAN                                  • After switching, the replicated volume                   ...
NAS (NFS) Failover over a LANTO SET UP NAS (NFS) FAILOVER, PERFORM THE FOLLOWING STEPS:    1.   Hardware configuration:   ...
NAS (NFS) Failover over a LANHardware Requirements:To run the Volume Replication with Failover, two DSS systems           ...
NAS (NFS) Failover over a LAN                           Data Server (DSS2)                           Secondary node       ...
NAS (NFS) Failover over a LAN                            Data Server (DSS2)                            Secondary node     ...
NAS (NFS) Failover over a LAN                            Data Server (DSS2)                            Secondary node     ...
NAS (NFS) Failover over a LAN                            Data Server (DSS2)                            Secondary node     ...
NAS (NFS) Failover over a LAN                             Data Server (DSS2)                             Secondary node   ...
NAS (NFS) Failover over a LAN                           Data Server (DSS1)                           Primary node         ...
NAS (NFS) Failover over a LAN                            Data Server (DSS1)                            Primary node       ...
NAS (NFS) Failover over a LAN                            Data Server (DSS1)                            Primary node       ...
NAS (NFS) Failover over a LAN                               Data Server (DSS2)                               Secondary nod...
NAS (NFS) Failover over a LAN                             Data Server (DSS2)                             Secondary node   ...
NAS (NFS) Failover over a LAN                              Data Server (DSS2)                              Secondary node ...
NAS (NFS) Failover over a LAN                                    Data Server (DSS2)                                    Sec...
NAS (NFS) Failover over a LAN                            Data Server (DSS2)                            Secondary node     ...
NAS (NFS) Failover over a LAN                                Data Server (DSS1)                                Primary nod...
NAS (NFS) Failover over a LAN                                Data Server (DSS1)                                Primary nod...
NAS (NFS) Failover over a LAN                             Data Server (DSS1)                             Primary node     ...
NAS (NFS) Failover over a LAN                             Data Server (DSS1)                             Primary node     ...
NAS (NFS) Failover over a LAN                               Data Server (DSS1)                               Primary node ...
NAS (NFS) Failover over a LAN                            Data Server (DSS1)                            Primary node       ...
NAS (NFS) Failover over a LAN                            Data Server (DSS1)                            Primary node       ...
NAS (NFS) Failover over a LAN                                   Data Server (DSS1)                                   Prima...
NAS (NFS) Failover over a LAN                            Data Server (DSS1)                            Primary node       ...
NAS (NFS) Failover over a LAN                            Data Server (DSS1)                            Primary node       ...
NAS (NFS) Failover over a LAN                              Data Server (DSS1)                              Primary node   ...
NAS (NFS) Failover over a LAN                           Data Server (DSS1)                           Primary node         ...
NAS (NFS) Failover over a LAN                              Data Server (DSS2)                              Secondary node ...
NAS (NFS) Failover over a LAN                                                   Data Server (DSS1)                        ...
NAS (NFS) Failover over a LAN                           Data Server (DSS1)                           Primary node         ...
NAS (NFS) Failover over a LAN                             Data Server (DSS2)                             Secondary node   ...
NAS (NFS) Failover over a LAN                           Data Server (DSS2)                           Secondary node       ...
NAS (NFS) Failover over a LAN                                  Data Server (DSS1)                                  Primary...
NAS (NFS) Failover over a LAN                             Data Server (DSS1)                             Primary node     ...
NAS (NFS) Failover over a LAN                               Data Server (DSS1)                               Primary node ...
NAS (NFS) Failover over a LAN                                 Data Server (DSS1)                                 Primary n...
NAS (NFS) Failover over a LAN                               Data Server (DSS1)                               Primary node ...
NAS (NFS) Failover over a LAN                               Data Server (DSS1)                               Primary node ...
NAS (NFS) Failover over a LAN                               Data Server (DSS1)                               Primary node ...
NAS (NFS) Failover over a LAN                            Data Server (DSS1)                            Primary node       ...
NAS (NFS) Failover over a LAN                            Data Server (DSS1)                            Primary node       ...
NAS (NFS) Failover over a LAN                           Data Server (DSS2)                           Secondary node       ...
NAS (NFS) Failover over a LAN                           Data Server (DSS2)                           Secondary node       ...
NAS (NFS) Failover over a LAN                             Data Server (DSS2)                             Secondary node   ...
NAS (NFS) Failover over a LAN                                Data Server (DSS2)                                Secondary n...
NAS (NFS) Failover over a LAN                              Data Server (DSS1)                              Primary node   ...
NAS (NFS) Failover over a LAN                               Data Server (DSS1)                               Primary node ...
Thank you!Follow Open-E:                 www.open-e.com   54
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Step-by-Step Guide to NAS (NFS) Failover over a LAN (with unicast) Supported by Open-E ® DSS™

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Step-by-Step Guide to NAS (NFS) Failover over a LAN (with unicast) Supported by Open-E ® DSS™

  1. 1. Step-by-Step Guide to NAS (NFS) Failover over a LAN (with unicast) Supported by Open-E ® DSS™Software Version: DSS ver. 6.00 up65Presentation updated: March 2011
  2. 2. NAS (NFS) Failover over a LAN Open-E DSS NAS (NFS) Failover is a fault tolerance process via NAS volume replication, that creates mirrored data volumes.• Data is copied in real-time, and every change is immediately mirrored from the primary server to the secondary storage server.• In case of a failure, scheduled maintenance of the primary server, or loss of the primary data source, failover automatically switches operations to the secondary storage server, so processes can be continued as usual. www.open-e.com 2
  3. 3. NAS (NFS) Failover over a LANVOLUME REPLICATION WITH FAILOVER BETWEEN TWO SYSTEMSWITHIN ONE LANRecommended Resources • Key Hardware (two systems)  x86 compatible  RAID Controller with Battery Backup Unit  HDD‘s  Network Interface Cards  Ping Node (ping node it is any permanently (24/7) available host in the network. In particular case the ping node function can be performed by the server storing the data on the failover volume). • Software  Open-E DSS V6, 2 unitsBenefits • Eliminate business disruption • Data Redundancy over a LAN • Switch RedundancyDisadvantages • High cost of solution • Natural disasters (earthquake, fire, flood...) can destroy local systems www.open-e.com 3
  4. 4. NAS (NFS) Failover over a LAN • Data is written and read to System 1 (primary) • Data is continually replicated to System 2 (secondary)RAID System 1 RAID System 2Primary Secondary Heartbeat Volume Replication PING NODEs Control Write Data Read Data www.open-e.com 4
  5. 5. NAS (NFS) Failover over a LAN • In case system malfunction or power failure or lost network connection of the System1 (primary), the server will send an e-mail Notification to the administrator. • After a few seconds Automatic Failover is executed and users are switched to System 2 (secondary).RAID System 1 RAID System 2Primary Secondary X Heartbeat PING NODEs Control Write Data Read Data www.open-e.com 5
  6. 6. NAS (NFS) Failover over a LAN • After switching, the replicated volume is available on System 2 (secondary)RAID System 1 RAID System 2Primary Secondary X PING NODEs Write Data Read Data www.open-e.com 6
  7. 7. NAS (NFS) Failover over a LANTO SET UP NAS (NFS) FAILOVER, PERFORM THE FOLLOWING STEPS: 1. Hardware configuration: • Settings server names, ethernet ports and bonding on secondary and primary node 2. Configure the Secondary node: • Create a Volume Group, NAS Volume • Configure Volume Replication mode (destination mode) – settings mirror IP address • NFS settings 3. Configure the Primary node • Create a Volume Group, NAS Volume • Configure Volume Replication mode (source mode) – settings mirror IP address, creating Volume Replication task and start replication task. • NFS settings, • Create and settings new share on primary node. 4. Configure Failover (primary and secondary node) 5. Select services used in Failover 6. Configure virtual IP and Auxiliary connection 7. Start Failover Service 8. Test Failover Function 9. Run Failback Function www.open-e.com 7
  8. 8. NAS (NFS) Failover over a LANHardware Requirements:To run the Volume Replication with Failover, two DSS systems 1. Hardware Configurationare required. Both servers must be located and working in theLocal Area Network. See below configurations for examples: PING NODEs IP Address : 192.168.2.106; 192.168.2.107Data Server (DSS1) Data Server (DSS2)Primary node Secondary nodeIP Address:192.168.0.220 IP Address:192.168.0.221 Control Switch 1 RAID System 1 RAID System 2 Switch 2 Primary Secondary Port used for WEB GUI management Port used for WEB GUI management IP:192.168.0.220 eth0 eth0 IP:192.168.0.221 Volume Replication , Optional: Volume Replication , Auxiliary connection (Heartbeat) This path can be Auxiliary connection (Heartbeat) IP:192.168.1.220 eth1 directly point-to-point eth1 IP:192.168.1.221 connected eth1 to eth1 Client Storage Access, Client Storage Access, Auxiliary connection (Heartbeat) (without the switch). Auxiliary connection (Heartbeat) bond0 IP:192.168.2.220 (eth2, eth3) (eth2, eth3) IP:192.168.2.221 bond0 Bonding IP Bonding IP Volume Groups (vg00) Volume Groups (vg00) Virtual IP Address:192.168.10.230 NAS volume (lv00) NFS Failover/Volume Replication (eth1) NAS volume (lv00) Share (data) Share (data) www.open-e.com 8
  9. 9. NAS (NFS) Failover over a LAN Data Server (DSS2) Secondary node 1. Hardware Configuration IP Address:192.168.0.221After logging on the DSS V6please go to „SETUP” tab,„network” and „Interfaces”. In„Server name” function enterServer name, in this example„dss2” and click apply button.(All connections will berestarted) www.open-e.com 9
  10. 10. NAS (NFS) Failover over a LAN Data Server (DSS2) Secondary node 1. Hardware Configuration IP Address:192.168.0.221Next select eth0 interface andchange IP Address from192.168.0.220 in field IP addressto 192.168 .0.221, and click applybutton. (This will restart networkconfiguration). www.open-e.com 10
  11. 11. NAS (NFS) Failover over a LAN Data Server (DSS2) Secondary node 1. Hardware Configuration IP Address:192.168.0.221Next select eth1 interface andchange IP address from192.168.1.220 in field IP addressto 192.168 .1.221 and click applybutton. www.open-e.com 11
  12. 12. NAS (NFS) Failover over a LAN Data Server (DSS2) Secondary node 1. Hardware Configuration IP Address:192.168.0.221Again select „Interfaces” and inCreate new bond interfacefunction check two boxes with eth2and eth3. In field Create selectbonding mode. In this exampleselect New balance-rr.Next enter IP Address in fieldAdress IP 192.168 .2.221,Netmask, and click create button. www.open-e.com 12
  13. 13. NAS (NFS) Failover over a LAN Data Server (DSS2) Secondary node 1. Hardware Configuration IP Address:192.168.0.221After reloading page on the dss2server you have configured bond0.Setting of the network interfaces onthe secondary node is finished. www.open-e.com 13
  14. 14. NAS (NFS) Failover over a LAN Data Server (DSS1) Primary node 1. Hardware Configuration IP Address:192.168.0.220After logging on the primarynode please go to „SETUP”tab, „network” and„Interfaces”. In „Server name”function enter Server name. Inthis example enter dss1 andclick apply button. (Allconnection will be restarted). www.open-e.com 14
  15. 15. NAS (NFS) Failover over a LAN Data Server (DSS1) Primary node 1. Hardware Configuration IP Address:192.168.0.220Again select „Interfaces” and inCreate new bond interfacefunction check two boxes with eth2and eth3. In field Create selectmode for bonding. In this exampleselected New balance-rr..Next enter IP Address in fieldAddress IP 192.168 .2.220,Netmask, and click create button. www.open-e.com 15
  16. 16. NAS (NFS) Failover over a LAN Data Server (DSS1) Primary node 1. Hardware Configuration IP Address:192.168.0.220After reloading page on the dss1server you have configuredbond0. Setting of the networkinterfaces on the secondary node isfinished. www.open-e.com 16
  17. 17. NAS (NFS) Failover over a LAN Data Server (DSS2) Secondary node 2. Configure the Secondary node IP Address:192.168.0.221Under the„CONFIGURATION” tab,select „volume manager” andnext Vol. Groups. Volume Groups (vg00)In Unit manager function addthe selected physical units(Unit S000 or other) to create anew volume group (in this case,vg00) and click apply button www.open-e.com 17
  18. 18. NAS (NFS) Failover over a LAN Data Server (DSS2) Secondary node 2. Configure the Secondary node IP Address:192.168.0.221Select the appropriate volumegroup (vg00) from the list on theleft and create a new NASvolume of the required size.This logical volume will be thedestination of the replicationprocess.Next check the box with Usevolume replicationAfter assigning an appropriateamount of space for the NASvolume, click the apply button www.open-e.com 18
  19. 19. NAS (NFS) Failover over a LAN Data Server (DSS2) Secondary node 2. Configure the Secondary node IP Address:192.168.0.221The destination NAS Volume isnow configured. NAS volume (lv0000) www.open-e.com 19
  20. 20. NAS (NFS) Failover over a LAN Data Server (DSS2) Secondary node 2. Configure the Secondary node IP Address:192.168.0.221 Now, select the Vol. replication and check the box under Destination and click the apply button Next, under Mirror Server IP function, enter the IP address of the Primary node (in our example, this would be 192.168.1.220) and click the apply buttonNOTE:The Mirror server IP Address must be on the samesubnet in order for the replication to communicate.VPN connections can work if you are not using aNAT. Please follow example:•Source: 192.168.1.220•Destination: 192.168.1.221 www.open-e.com 20
  21. 21. NAS (NFS) Failover over a LAN Data Server (DSS2) Secondary node 2. Configure the Secondary node IP Address:192.168.0.221Choose „CONFIGURATION”,and „NAS settings” from themenu on the secondary nodeIn the NAS settings function,check the box Use NFS, clickapply to confirm. www.open-e.com 21
  22. 22. NAS (NFS) Failover over a LAN Data Server (DSS1) Primary node 3. Configure the Primary node IP Address:192.168.0.220Under the „CONFIGURATION”tab, select „volume manager”and next „Vol. Groups”Add the selected physical units(Unit MD0 or other) to create anew volume group (in this case,vg00) and click apply button Volume Groups (vg00) www.open-e.com 22
  23. 23. NAS (NFS) Failover over a LAN Data Server (DSS1) Primary node 3. Configure the Primary node IP Address:192.168.0.220Select the appropriate volumegroup (vg00) from the list on theleft and create a new NASvolume of the required size.This logical volume will be thesource of the replicationprocessNext , check box Use volumereplicationAfter assigning an appropriateamount of space for the NASvolume, click the apply buttonNOTE:The source and destination volumes must be ofidentical size. www.open-e.com 23
  24. 24. NAS (NFS) Failover over a LAN Data Server (DSS1) Primary node 3. Configure the Primary node IP Address:192.168.0.220The source NAS Volume is nowconfigured. NAS volume (lv0000) www.open-e.com 24
  25. 25. NAS (NFS) Failover over a LAN Data Server (DSS1) Primary node 3. Configure the Primary node IP Address:192.168.0.220Now, select Vol. replication,and check the box underSource and click the applybuttonNext , under Mirror Server IPfunction, enter the IP address ofthe Secondary node (in ourexample this would be192.168.1.221) and click theapply button www.open-e.com 25
  26. 26. NAS (NFS) Failover over a LAN Data Server (DSS1) Primary node 3. Configure the Primary node IP Address:192.168.0.220Enter the task name in fieldTask name next click on the buttonIn the Destination volumefield select the appropriatevolume (in this example,lv0000) and click create toconfirm www.open-e.com 26
  27. 27. NAS (NFS) Failover over a LAN Data Server (DSS1) Primary node 3. Configure the Primary node IP Address:192.168.0.220Now, in the Replication taskmanager function, click on button under to start theReplication task on the Primarynode www.open-e.com 27
  28. 28. NAS (NFS) Failover over a LAN Data Server (DSS1) Primary node 3. Configure the Primary node IP Address:192.168.0.220In the Replication tasksmanager function informationis available about the currentrunning replication task. www.open-e.com 28
  29. 29. NAS (NFS) Failover over a LAN Data Server (DSS1) Primary node 3. Configure the Primary node IP Address:192.168.0.220 Under the „STATUS” tab, select „tasks” and Volume Replication Click on the button with task name (in this case MirrorTask) to display detailed information on the current replication taskNOTE:Please allow the replication task to completesimilar to above with status being “Consistent”before writing to the NAS Logical Volume via NFS. www.open-e.com 29
  30. 30. NAS (NFS) Failover over a LAN Data Server (DSS1) Primary node 3. Configure the Primary node IP Address:192.168.0.220Choose „CONFIGURATION”,and „NAS settings” from themenuIn the NAS settings function,check the box Use NFS, clickapply to confirm. www.open-e.com 30
  31. 31. NAS (NFS) Failover over a LAN Data Server (DSS1) Primary node 3. Configure the Primary node IP Address:192.168.0.220Next, choose„CONFIGURATION”, „NASresources” and „Shares” fromthe menu.Enter share name in field„Name” and click apply toconfirm. www.open-e.com 31
  32. 32. NAS (NFS) Failover over a LAN Data Server (DSS1) Primary node 3. Configure the Primary node IP Address:192.168.0.220In the NFS share accesfunction, check the box UseNFS, and click apply toconfirm. www.open-e.com 32
  33. 33. NAS (NFS) Failover over a LAN Data Server (DSS1) Primary node 4. Configure Failover IP Address:192.168.0.220Next choose „SETUP”,„network”, end select Failoveron the primary node.In the Failover configurationfunction, check the box EnableFailover functionality. SelectNetwork connection mode (inthis example Unicast) andselect Network interface forunicast (bond0). Next enterthe Secondary node IP and thePing Node IP (must be on thesame subnet) and click theapply button. www.open-e.com 33
  34. 34. NAS (NFS) Failover over a LAN Data Server (DSS2) Secondary node 4. Configure Failover IP Address:192.168.0.221Now, select Failover on thesecondary nodeNow, in Failoverconfiguration function , checkthe box Enable Failoverfunctionality. Select Networkconnection mode (in thisexample Unicast) and selectNetwork interface for unicast(bond0). After chooseSecondary node on localhostenter Primary node IP addressand click the apply button www.open-e.com 34
  35. 35. NAS (NFS) Failover over a LAN Data Server (DSS1) Primary node 5. Configure Virtual IP and Auxillary connection IP Address:192.168.0.220 Now, select the bond0 within Failover. In the Virtual IP Settings function check box Enable virtual IP and enter IP address, Netmask, Broadcast, and click the apply button. By setting the address of the secondary node in a Failover configuration, automatic detection of the interface for communication. This step is necessary to complement the destination IP address used in unicast.NOTE:There need to be at least two auxiliary connections. The interface withthe virtual IP can also serve as one of the auxiliary connections. Pleaseset the Virtual IP Address in a different network subnet then thephysical IP Address. To have additional Failover systems, please setthis pair in a different network subnet from the other Failover systems. Ifthe virtual IP must be in the same network subnet, there will be extraconfiguration steps required. Please refer to other document whichdescribe configuration with static routing. www.open-e.com 35
  36. 36. NAS (NFS) Failover over a LAN Data Server (DSS1) Primary node 5. Configure Virtual IP and Auxillary connection IP Address:192.168.0.220Now, select the eth1 withinFailover.In the Auxiliary connectionfunction check box Use thisnetwork interface tocommunicate between thenodes next enter IP address forUnicast remote IP and click theapply button. www.open-e.com 36
  37. 37. NAS (NFS) Failover over a LAN Data Server (DSS2) Secondary node 5. Configure Virtual IP and Auxillary connection IP Address:192.168.0.221Choose, „SETUP” and„network” and „Interfaces”from the menuNow, select the bond0 withinFailover.In the Virtual IP Settingsfunction check the box Enablevirtual IP and enter IPaddress, Netmask, Broadcast,and click the apply button.By setting the address of theprimary node in a Failoverconfiguration, automaticdetection of the interface forcommunication. This step isnecessary to complement thedestination IP address used inunicast. www.open-e.com 37
  38. 38. NAS (NFS) Failover over a LAN Data Server (DSS2) Secondary node 5. Configure Virtual IP and Auxillary connection IP Address:192.168.0.221Now, select the eth1 withinFailover.In the Auxiliary connectionfunction check box Use thisnetwork interface tocommunicate between thenodes next enter IP address forUnicast remote IP and click theapply button. www.open-e.com 38
  39. 39. NAS (NFS) Failover over a LAN Data Server (DSS1) Primary node 6. Select services used in Failover IP Address:192.168.0.220 Now, in Failover services function (on primary node), uncheck the box with iSCSI, then check box witch NFS, and click the apply buttonNOTE:Selecting NFS in Failover service will reduce theaccess to shares on volumes used in FailoverTasks to NFS access only. Activating FailoverService will automatically deactivate all otherservices for those shares. www.open-e.com 39
  40. 40. NAS (NFS) Failover over a LAN Data Server (DSS1) Primary node 7. Start Failover Service IP Address:192.168.0.220Next, in the Failover Tasksfunction, move the FailoverTasks to be used for the failoverservice to the Failover Tasksarea clicking button andclick apply www.open-e.com 40
  41. 41. NAS (NFS) Failover over a LAN Data Server (DSS1) Primary node 7. Start Failover Service IP Address:192.168.0.220At this point both nodes areready to start the Failoverservice www.open-e.com 41
  42. 42. NAS (NFS) Failover over a LAN Data Server (DSS1) Primary node 7. Start Failover Service IP Address:192.168.0.220 After clicking the start button configuration of both nodes will be completeNOTE:You can now mount the NFS client computers. www.open-e.com 42
  43. 43. NAS (NFS) Failover over a LAN Data Server (DSS1) Primary node 7. Start Failover Service IP Address:192.168.0.220After start Failover, check thestatus in Failover statusfunction. All must read OK NAS Failover/Volume Replication www.open-e.com 43
  44. 44. NAS (NFS) Failover over a LAN Data Server (DSS1) Primary node 7. Start Failover Service IP Address:192.168.0.220In the Task status, (afterclickling button) thedestination volumes must beconsistent. NAS Failover/Volume Replication www.open-e.com 44
  45. 45. NAS (NFS) Failover over a LAN Data Server (DSS1) Primary node 8. Test Failover Function IP Address:192.168.0.220In order to test Failover inManual Failover, function,click on the Manual failoverbutton. www.open-e.com 45
  46. 46. NAS (NFS) Failover over a LAN Data Server (DSS1) Primary node 8. Test Failover Function IP Address:192.168.0.220After clicking on the Manualfailover button, primary nodeenters suspend mode www.open-e.com 46
  47. 47. NAS (NFS) Failover over a LAN Data Server (DSS1) Primary node 8. Test Failover Function IP Address:192.168.0.220The Failover status functionshows the Global status of theprimary node. Status service isin suspend mode and the nodeis inactive. www.open-e.com 47
  48. 48. NAS (NFS) Failover over a LAN Data Server (DSS2) Secondary node 8. Test Failover Function IP Address:192.168.0.221In Failover status functionGlobal status shows the statusof the secondary node. Theservice status is degraded andNode status is active. www.open-e.com 48
  49. 49. NAS (NFS) Failover over a LAN Data Server (DSS2) Secondary node 9. Run Failback Function IP Address:192.168.0.221In order to run Failback inFailover manager function clickon the Sync volumes buttonfirst. www.open-e.com 49
  50. 50. NAS (NFS) Failover over a LAN Data Server (DSS2) Secondary node 9. Run Failback Function IP Address:192.168.0.221After synchronization the taskstatus of the destination volumemust be Consistent www.open-e.com 50
  51. 51. NAS (NFS) Failover over a LAN Data Server (DSS2) Secondary node 9. Run Failback Function IP Address:192.168.0.221In order to return the activeserver state to the Primaryserver click on the Failbackbutton www.open-e.com 51
  52. 52. NAS (NFS) Failover over a LAN Data Server (DSS1) Primary node 9. Run Failback Function IP Address:192.168.0.220After clicking on Failbackbutton (in Failover managerfunction on Secondary node)Primary node is now active. www.open-e.com 52
  53. 53. NAS (NFS) Failover over a LAN Data Server (DSS1) Primary node 9. Run Failback Function IP Address:192.168.0.220Primary node is active againand ready for Failover.Failover/Volume ReplicationThe configuration and testing of NAS Failover/Failback is now complete. www.open-e.com 53
  54. 54. Thank you!Follow Open-E: www.open-e.com 54
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