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Data changes during disconnection

In case of the replication link interruption, DRBD uses its own metadata to keep the history of modified

data blocks since the connection break up. Later when the connection is reestablished, the missing data

blocks are synchronized on the standby node in parallel with the online changes propagation. The

following image depicts the data changes history marked in the DRBD metadata during the propagation

link disconnection:

How System Platform High Availability Failover works

98     Installing and Configuring Avaya Aura

™

 System Platform

April 2010

Содержание Aura System Platform

Страница 1: ...Installing and Configuring Avaya Aura System Platform Release 1 1 1 April 2010...

Страница 2: ...ses the pricing of its licenses and can be without limitation an agent port or user an e mail or voice mail account in the name of a person or corporate function e g webmaster or helpdesk or a directo...

Страница 3: ...on Tatham Downloading documents For the most current versions of documentation see the Avaya Support Web site http www avaya com support Contact Avaya Support Avaya Inc provides a telephone number for...

Страница 4: ...4 Installing and Configuring Avaya Aura System Platform April 2010...

Страница 5: ...mage on a linux machine 23 Verifying the ISO image on a Windows machine 24 Chapter 4 Server installation and connectivity 25 Installing and connecting the S8510 Server 25 Server installation checklist...

Страница 6: ...ring the time zone for the System Platform server 67 Configuring date and time for the System Platform server 67 NTP daemon 68 Configuring System Platform passwords 69 Passwords field descriptions 70...

Страница 7: ...rive for System Platform installation 87 Using USB drive for installation 87 Checking the USB drive format and suitability 88 Formatting a USB drive 89 Setting up a USB drive 92 Appendix B How System...

Страница 8: ...8 Installing and Configuring Avaya Aura System Platform April 2010...

Страница 9: ...stomer s network and to each other for System Platform High Availability Failover Both the servers must be connected with a gigabit crossover cable on the ports identified as eth2 on operating system...

Страница 10: ...2B VPN connection or other IP based connectivity to deliver remote services SAL does not support modem connections Pre installation checklist for System Platform Being prepared for the installation ma...

Страница 11: ...flash drive s See Setting up a USB flash drive for System Platform installation on page 23 Save the ISO image s to the USB flash drive s If you are installing System Platform through a laptop do the...

Страница 12: ...System Platform installation 12 Installing and Configuring Avaya Aura System Platform April 2010...

Страница 13: ...5 On the Home page expand Asset Mgmt and click View Downloads 6 On the Downloads page enter your company s name in the Company field 7 In the Application drop down menu choose the template or applicat...

Страница 14: ...See the relevant solution template documentation for more information 14 Burn a DVD of the installer files or copy the installer files to a USB flash drive to use for installation Downloading the Sys...

Страница 15: ...Standard equipment rack properly installed and solidly secured USB keyboard USB mouse video monitor and associated cables or laptop PC with an Ethernet crossover cable Gigabit ethernet crossover cable...

Страница 16: ...Customer provided equipment The customer must provide the following equipment Standard 19 in 4 post equipment rack properly installed and solidly secured Rack must meet the following standards Americ...

Страница 17: ...the stabilizer s before installing components in the rack After installing system components in a rack never pull more than one component out of the rack on its slide assemblies at one time The weight...

Страница 18: ...provided equipment The customer must provide the following equipment Standard 19 inch 4 post equipment rack that is properly installed and solidly secured The rack must meet the following standards Am...

Страница 19: ...ore than one extended component could cause the rack to tip over and may result in serious injury Note Your system is safety certified as a free standing unit and as a component for use in a rack cabi...

Страница 20: ...staller application requires you to fill in several fields Having the information available at the time of installation makes it go faster and ensures accuracy Print out the following tables and work...

Страница 21: ...passwords Field Value requirement Notes root admin cust ldap Preparing for installation You can use a DVD or a USB flash drive for installing System Platform After you decide your preferred media for...

Страница 22: ...ws machine on page 24 If you want to use a DVD to install System Platform perform the following tasks to set up the DVD Burn the ISO image of the System Platform installer on a DVD You can burn a DVD...

Страница 23: ...mporary work directory 4 Type cd path to tempdir usbkey change directory to the usbkey directory in this temporary work directory 5 Connect your USB flash drive to the USB port in the server or the la...

Страница 24: ...m PLDS Web site 2 Refer to one of the following links and follow the instructions to verify that the ISO image you have downloaded is not corrupted http www md5summer org http zero sys net portal inde...

Страница 25: ...necting the S8800 Server topics for more information Installing and connecting the S8510 Server Server installation checklist Task Notes 1 Verify that all equipment is on site Compare the list of item...

Страница 26: ...1 U space of 15 9 mm 15 9 mm and 12 7 mm 0 625 in 0 625 in and 0 5 in for the front and back vertical rails Rack cabinets may have round or square holes Note The vertical rails may be marked by horiz...

Страница 27: ...up three holes in a rack and mark the rack s front vertical rails with a felt tipped pen or masking tape If you counted holes place a mark just above the top hole This mark or piece of tape indicates...

Страница 28: ...tructions Next steps If the server is being installed in a cabinet reattach the doors following the cabinet manufacturer s instructions Turning on the server Once the server is installed in the rack y...

Страница 29: ...onnect a monitor and a keyboard to the server use the video connector and USB port in the server See the Front view of server topic Connect the server to the customer s network connect the cable to Et...

Страница 30: ...the SAMP card 1 Remote access controller unused 2 Serial connector 3 Video connector for optional use of monitor 4 USB ports for optional use of mouse and keyboard 5 GB 1 eth 0 6 GB 2 eth 1 services p...

Страница 31: ...rver installation checklist Task Notes 1 Verify that all equipment is on site Compare the list of items that were ordered to the contents of the boxes Use the inventory list provided by your project m...

Страница 32: ...net doors if necessary See the cabinet manufacturer s documentation 10 Turning on the server on page 36 11 Troubleshoot the installation Attaching rails to the rack Prerequisites If the slide rails in...

Страница 33: ...ortant When you install a 2U server be sure to install the slide rails in the bottom U of the 2U area in the rack 4 Drop the slide rail down 4 until it latches into place See the preceding figure 5 Pu...

Страница 34: ...ch front latch is fully engaged Next steps Install the server in the rack Installing the server in the rack Prerequisites Attach rails to the rack 1 Pull the slide rails forward 1 until they click two...

Страница 35: ...rails See the preceding figure 5 Make sure that the front latch 5 slides over the nail heads See the preceding figure 6 Lift the locking levers 6 on the slide rails See the following figure 7 Push th...

Страница 36: ...r nonswitched outlet Approximately five seconds after the server is connected to power one or more fans might start running to provide cooling and the power on LED will blink quickly three flashes per...

Страница 37: ...the customer s network connect the cable to Ethernet connector port eth0 which is labelled as port 1 See the Back view of server topic Connect the server for High Availability Failover connect the eth...

Страница 38: ...release latch 12 USB connector 2 13 DVD eject button 14 DVD drive activity LED 15 DVD drive 16 Drive bay 5 17 Drive bay 3 18 Drive bay 1 19 Rack release latch Back of server 1 PCIe slot 1 used for opt...

Страница 39: ...erial connector 14 System error LED amber 15 System locator LED blue 16 Power LED green 17 Ethernet connector 2 which is eth1 18 Ethernet connector 1 which is eth0 19 eth2 NIC for High Availability is...

Страница 40: ...Server installation and connectivity 40 Installing and Configuring Avaya Aura System Platform April 2010...

Страница 41: ...laptop and installing using the laptop Note It is possible to complete the installation using only a keyboard and monitor by navigating between fields using the tab key Installation media You can inst...

Страница 42: ...screen and times out after receiving no input from you Installation checklist for System Platform The flow of System Platform installation is as follows Task Notes Turn on the server See Starting the...

Страница 43: ...em Platform Management Console See Accessing System Platform Management Console on page 58 Register system and configure the SAL gateway for remote access and alarming See Registering system and confi...

Страница 44: ...move to the next field Once you are at the last field on a form use the Tab key to highlight a button such as the OK button and press Enter or Space to select the button Use the Space key to select or...

Страница 45: ...ing the laptop on page 46 Connecting a laptop to the server on page 46 Starting a telnet session on page 47 Disable or bypass proxy server in your Web browser by one of the following ways Disabling pr...

Страница 46: ...f server for S8800 Server If you do not have a crossover cable you can use an IP hub The system assigns the IP address 192 11 13 6 to eth1 by default eth1 is the second interface on the server 2 Start...

Страница 47: ...es port you must disable the proxy server that exist within your Firefox Web browser 1 Open your Internet browser 2 Click Tools Options 3 Select the Advanced option 4 Click the Network tab 5 Click Set...

Страница 48: ...USB flash drive to the USB port If USB flash drive is selected for installing System Platform the boot up sequence must be changed for the server to boot from the USB flash drive Therefore monitor an...

Страница 49: ...oard type on page 50 Open a PuTTY session to display the Keyboard Type screen Important If you use a telnet client other than PuTTY or if you forget to set the proper terminal emulation for the PuTTY...

Страница 50: ...after a few minutes Next steps Configure the network settings for System Domain Domain 0 Configuring network settings for System Domain Domain 0 1 On the System Domain Network Configuration screen co...

Страница 51: ...y for each interface you should specify only one default gateway Specifying more than one default gateway may result in an unusable internal networking configuration Specifying one valid default gatew...

Страница 52: ...fault value of Subnet Mask if required The default value is 255 255 255 0 Default gateway IP The default gateway IP address for each Ethernet interface This default gateway IP address will be used for...

Страница 53: ...e Domain does not have a physical interface it has a virtual interface that uses the physical interface in System Domain Domain 0 As System Domain acts like a bridge the IP address you enter here must...

Страница 54: ...ent date and time Tip Avaya recommends that you use an NTP server within your network to synchronize the time of the System Platform server Note Ensure that the time set here is correct Changing the t...

Страница 55: ...rce that is time server which can be either another computer on the network or a clock connected to the local computer Reference time sources are specified using IP addresses or host names which can b...

Страница 56: ...r capabilities Avaya recommends that you change these default passwords after your first login Passwords must be at least six characters long Avaya recommends using only alphanumeric characters The cr...

Страница 57: ...ing System Platform through services port You must enable IP forwarding on System Domain Dom 0 to access System Platform through services port You can set IP forwarding status as enabled or disabled d...

Страница 58: ...rd login passwords are root root01 admin admin01 and cust cust01 The root and admin logins have advanced administrator capabilities while the cust login has normal administrator capabilities The root...

Страница 59: ...stem displays the Virtual Machine List page in the System Platform Management Console The various administrative options are located in the left navigation menu Installing System Platform software Ins...

Страница 60: ...Installing System Platform using laptop 60 Installing and Configuring Avaya Aura System Platform April 2010...

Страница 61: ...latform USB flash drive to the USB port The server boots up from the System Platform DVD or USB flash drive and displays the Avaya screen Note If you are using a USB flash drive for installing System...

Страница 62: ...iacheck in the boot prompt and press Enter to verify that the image on the System Platform DVD or the USB flash drive is not corrupted Next steps Select the required keyboard type Selecting the requir...

Страница 63: ...r System Domain Domain 0 Configuring network settings for System Domain Domain 0 1 On the System Domain Network Configuration screen complete the following fields Hostname Primary DNS Optional Seconda...

Страница 64: ...each interface you should specify only one default gateway Specifying more than one default gateway may result in an unusable internal networking configuration Specifying one valid default gateway is...

Страница 65: ...t value of Subnet Mask if required The default value is 255 255 255 0 Default gateway IP The default gateway IP address for each Ethernet interface This default gateway IP address will be used for all...

Страница 66: ...ain Static IP The IP address for the Console Domain Note The Console Domain does not have a physical interface it has a virtual interface that uses the physical interface in System Domain Domain 0 As...

Страница 67: ...een Next steps Configure date and time for the System Platform server Configuring date and time for the System Platform server 1 On the Date Time and NTP setup screen set the current date and time Tip...

Страница 68: ...form passwords NTP daemon The NTP daemon reads its configuration from a file named ntp conf The ntp conf file contains at least one or more lines starting with the keyword server Each of those lines s...

Страница 69: ...typing The default logins passwords for System Platform are root root01 admin admin01 and cust cust01 and for ldap the default password is manager root01 The root and admin logins have advanced admini...

Страница 70: ...word The password for the ldap login System Platform uses an LDAP server to store logins and passwords details The LDAP server requires a manager login password Accessing System Platform through servi...

Страница 71: ...d User ID Important The standard login passwords are root root01 admin admin01 and cust cust01 The root and admin logins have advanced administrator capabilities while the cust login has normal admini...

Страница 72: ...isplays the Virtual Machine List page in the System Platform Management Console The various administrative options are located in the left navigation menu Installing System Platform using server conso...

Страница 73: ...m support Documentation Administration System Programming S System Platform b For an understanding of how to administer the customer s network to support SAL follow the instructions provided in Secure...

Страница 74: ...Configuring the SAL Gateway 74 Installing and Configuring Avaya Aura System Platform April 2010...

Страница 75: ...installation steps Selecting a template to install Note This operation is not supported on the system running in High Availability Failover Mode To proceed to install stop the High Availability Failo...

Страница 76: ...named avprivate Keep in mind that the template you install may take additional addresses on the private bridge The range of addresses start with System Domain s Dom 0 interface on avprivate 3 Select a...

Страница 77: ...he list will contain all the templates to which your company is entitled Each line in the list begins with the sold to number to allow you to select the appropriate template for the site where you are...

Страница 78: ...option Configure Proxy Active only when you select the HTTP option to search for a solution template Lets you configure a proxy for the HTTP address Install Installs the solution template Delete Inst...

Страница 79: ...supply make sure that both power supplies are plugged in If the server has a single power supply it must be installed in power supply bay 1 See Back of server Make sure that the UPS is plugged into a...

Страница 80: ...ng DVD does not mount The DVD does not mount automatically Troubleshooting steps 1 Log on to Console Domain as admin 2 Type su 3 Enter the root password 4 Run the following commands ssh dom0 vsp opt a...

Страница 81: ...al machines in a Linux screen You can see two virtual machines running at this time System Domain Domain 0 and Console Domain shown as udom in xm list The screen looks similar to the following 4 On th...

Страница 82: ...Troubleshooting the installation 82 Installing and Configuring Avaya Aura System Platform April 2010...

Страница 83: ...e standby node This is because there is a service impact to switching servers and if both servers are healthy then running on the preferred node offers no increased benefit If the user wants to migrat...

Страница 84: ...r works for more information Prerequisites The prerequisites for configuring System Platform High Availability Failover are as follows Two servers with exactly the same configuration Hardware supporte...

Страница 85: ...ing System Platform High Availability Failover Prerequisites Two servers with exactly the same configuration Hardware supported by System Platform The servers must have a spare Gigabit network interfa...

Страница 86: ...k Device is synchronizing the hard disks of the two servers Tip When the system finishes the disk synchronization process you can increase or decrease the speed of the sync with a slider bar provided...

Страница 87: ...st 2GB free space you do not have to erase the data on the drive The System Platform installer software can fit alongside your other data Note Avaya recommends that you backup the contents of the USB...

Страница 88: ...ce found at A typical screen output can appear as shown below 4 Run the command fdisk l dev sdb on the USB drive found in the output of the dmesg command to find the partition information The system d...

Страница 89: ...and fdisk on the device 3 Enter m to get a list of commands The system displays output similar to the one shown below 4 If required type d to delete a partition on the USB drive The system displays ou...

Страница 90: ...m displays output similar to the one shown below 7 Verify the partition information by typing p The system displays output similar to the one shown below 8 Change the partition type from default of Li...

Страница 91: ...one shown below 10 Set the bootable flag on partition 1 by typing a Type l for partition number 1 11 Verify the partition information by typing p The system displays output similar to the one shown b...

Страница 92: ...this example the directory root sp builds is created and used 2 Copy the ISO image to this directory 3 Create a directory in sp builds for temporarily mounting the ISO image by typing the command mkd...

Страница 93: ...using the device representation and a mountpoint by typing the command mount dev sdb1 mnt myusbkey If this command fails please check that the device is formatted as per the task Formatting a USB driv...

Страница 94: ...Using USB drive for System Platform installation 94 Installing and Configuring Avaya Aura System Platform April 2010...

Страница 95: ...0 network interface of the peer 3 eth2 network interface of the peer Every successful ping result gives a machine the same score amount for every ping target Therefore if both machines can reach all t...

Страница 96: ...s DRBD initial data synchronization System Platform High Availability Failover uses the Distributed Replicated Block Device DRBD component to propagate online changes that are made on the active node...

Страница 97: ...It uses its protocol C which ensures that writing to the local hard disk is only confirmed when the same write is acknowledged on the remote node This ensures that the machines are kept in consistent...

Страница 98: ...en the connection is reestablished the missing data blocks are synchronized on the standby node in parallel with the online changes propagation The following image depicts the data changes history mar...

Страница 99: ...a changes that occurred on the nodes must be discarded on one of them System Platform High Availability Failover uses a DRBD feature to recognize which node became active as the last one This node is...

Страница 100: ...How System Platform High Availability Failover works 100 Installing and Configuring Avaya Aura System Platform April 2010...

Страница 101: ...connection type 47 connectivity 25 craft password 57 70 cust password 57 70 customer provided equipment 16 customer provided items 15 D Default gateway 46 default gateway IP 52 65 direct connection 46...

Страница 102: ...25 server installation checklist 25 set up DVD for System Platform installation 22 set up USB for System Platform installation 23 setting up DVD 21 setting up USB 21 setting up USB drive 92 SP CD DVD...

Страница 103: ...rifying ISO image 21 verifying the ISO image 23 verifying the system platform image 43 Virtual Machine 75 vsp mediacheck 43 W window 47 Installing and Configuring Avaya Aura System Platform April 2010...

Страница 104: ...104 Installing and Configuring Avaya Aura System Platform April 2010...

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