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xStack Storage Management Center Software User’s Guide

103

Chapter 8 Best Practices

This chapter provides suggestions and guidelines for optimizing your management experience
with the xStack Storage Management Center.

The topics covered in this chapter are:



Section 8.1, Saving Configuration Settings (page 104)



Section 8.2, Resetting Display Preferences (page 104)



Section 8.3, Working with Firewalls (page 104)

Summary of Contents for DSN-1100

Page 1: ...D Link xStack Storage iSCSI SAN Arrays Managed SAN Solutions DSN 1100 DSN 2100 DSN 3200 DSN 3400 Storage Management Center Software User s Guide Version 1 0...

Page 2: ...t to change without notice The only warranties for D Link products and services are set forth in the express warranty statements accompanying such products and services Nothing herein should be constr...

Page 3: ...d it is very possible that you will never need to replace it However should you need to replace it consult your service documentation Do not dispose of the battery along with household waste Contact y...

Page 4: ...iv Preface Document Revision Level Revision Date Notes Version 1 0 November 17 2008...

Page 5: ...ystems Inc This document assumes that the user is computer literate familiar with storage array products and has a basic understanding of storage products and concepts Typographic Conventions Notes No...

Page 6: ...r by phone Tech Support for customers within the United States D Link Technical Support over the Telephone Please see our support site for current number http support dlink com Monday to Friday 8 00am...

Page 7: ...ding Admin Accounts 22 2 3 3 Adding User Accounts 22 2 3 4 Modifying Accounts 24 2 3 5 Deleting User Accounts 24 2 4 Logging Out 25 2 5 Exiting the xStack Storage Management Center 25 2 6 Powering Off...

Page 8: ...tings Tab 76 5 2 5 Restoring Factory Default Settings 77 5 2 6 Upgrading Software Settings Tab 78 5 2 7 Restarting the xStack Storage System Settings Tab 79 5 2 8 Shutting Down the xStack Storage Syst...

Page 9: ...5 Storage Menu 108 A 6 Network Menu Management Port Selected 109 A 7 Network Menu Ethernet Port Selected 109 A 8 Network Menu Group Ethernet Port Selected 109 A 9 Network Menu Group Selected 109 A 10...

Page 10: ......

Page 11: ...lower total cost of ownership This User s Guide describes how to use the xStack Storage Management Center to configure provision and manage the storage on xStack Storage arrays It includes an overview...

Page 12: ...e xStack Storage Management Center is a graphical Web based interface used to perform centralized storage configuration management administrative and network activities for one or more xStack Storage...

Page 13: ...tch from Volume View to Physical Storage View for example the Volume menu changes to Storage and all the volume related commands in the Volume menu change to commands relevant to managing the physical...

Page 14: ...me tasks can also be performed by pressing the right mouse button and clicking an option from a shortcut menu that appears In Volume View for example selecting a volume in the Main Display and pressin...

Page 15: ...In the View panel in Figure 1 5 the xStack Storage system corresponding to IP address 192 168 0 34 is being managed The checkmark and OK next to this IP address and the green color coding of the IP ad...

Page 16: ...The top panel acquires its name from the current view In Volume View for example the top panel becomes the Volume Actions panel and contains actions associated with volumes If you switch to Physical S...

Page 17: ...ctivities Figure 1 8 Example of Detail Tabs in Volume View 1 3 7 Status Bar The status bar appears at the bottom of the main window If an action such as an alert or event requires your attention it ap...

Page 18: ...D Link recommends that you perform Optional tasks that are suggested but not required to use the xStack Storage system Table 1 1 xStack Storage Management Center User Tasks Task See Section Required...

Page 19: ...in this chapter are Section 2 1 Logging In page 10 Section 2 2 Customizing the Date and Time page 18 Section 2 3 Setting Up Accounts page 19 Section 2 4 Logging Out page 25 Section 2 5 Exiting the xSt...

Page 20: ...gin the start up wizard appears and you should proceed to section 2 1 1 For all subsequent logins the home page appears and you should proceed to section 2 1 2 2 1 1 Using the Start up Wizard The xSta...

Page 21: ...r computer click Click here to download the End User License Agreement on the Welcome screen Figure 2 2 Admin Account Page 2 The Admin Account page lets you set up an administrator account Additional...

Page 22: ...ort The settings you specify must be compatible with your local network and accessible to client computers that may be used to access the xStack Storage Management Center By default the host name is t...

Page 23: ...t this time is optional To skip this screen click Skip to Email Notification However if you skip this screen you will need to specify these addresses through the xStack Storage Management Center befor...

Page 24: ...ture If you check Enable Email Support to enable this feature specify the SMTP server IP address and port number an email address to be shown as originating the email and an email address where email...

Page 25: ...settings in the future refer to the appropriate section in this document for instructions This completes the start up wizard After the storage system restarts the home page appears see section 2 1 2 2...

Page 26: ...ack Storage Management Center requires the latest version of Java Runtime Environment JRE If the latest version of JRE is not installed on the management PC xStack will let you download it if the PC h...

Page 27: ...omatically A browser cookie will be placed on the management PC that will let the xStack Storage Management Center know who you are the next time you log in and log you in automatically If you use a d...

Page 28: ...e from any view 1 On the Tools menu click Customize Time Display The Customize Time Display dialog box appears see Figure 2 9 Figure 2 9 Customize Time Display Dialog Box 2 Select the appropriate time...

Page 29: ...s are reserved for admins only 2 3 1 Changing the Default Admin Login Password The xStack Storage Management Center comes with a single user account called admin whose default login password is admin...

Page 30: ...pter 2 Getting Started Figure 2 10 Settings Tab 3 Click the User Accounts button on the left side of the Settings tab The Settings tab displays your user account settings an example is shown in Figure...

Page 31: ...unt The Confirm New Password field becomes available 6 In the Confirm New Password field retype the same case sensitive password that you typed in the previous step For security each typed password ch...

Page 32: ...admin must specify to log in to the xStack Storage Management Center The Confirm New Password field becomes available 7 In the Confirm New Password field re enter the same case sensitive login passwo...

Page 33: ...gement Center The Confirm New Password field becomes available 7 In the Confirm New Password field re enter the same case sensitive login password that you typed in the previous step Figure 2 12 shows...

Page 34: ...word for this user account enter a new case sensitive password in the New Password field retype the same password in the Confirm New Password field and type the user s current password in the Old Pass...

Page 35: ...ge in the View panel and click Log Out from the shortcut menu Performing any of these steps displays the login screen and keeps the xStack Storage Management Center running You can then log in to the...

Page 36: ...ower degradation if a UPS is not used If the battery charge exhausts you will lose data 1 Log off from all initiators 2 In the View panel click System Administration 4 Click the Settings tab The Setti...

Page 37: ...om extents A volume typically consists of extents from several drives Volumes are managed in the Volume View Volume View is the initial view that appears when you log in to the xStack Storage Manageme...

Page 38: ...nitiators displayed above the volumes associated with them see Figure 3 2 If you click a volume in the Main Display An icon to the left of the Detail Tabs shows the composition of the volume you selec...

Page 39: ...fine tune the volume for you As you create volumes record the information in Table C 1 Drives that have volumes cannot be reserved for use as spares If you intend to use a drive as a spare perform the...

Page 40: ...og when staring this wizard 3 Click Next The Volume Name screen appears see Figure 3 4 Figure 3 4 Volume Name Screen 4 In the Volume Name field enter a name for the volume Volume names can contain fro...

Page 41: ...36 This method is for advanced users who want to customize or fine tune the volume 3 2 1 Letting the Wizard Choose the Best Volume Organization If you selected Help me choose the best volume organizat...

Page 42: ...d you should proceed to the next step If you selected Less Important the Number of Drives screen appears see Figure 3 8 and you should skip to step 4 Figure 3 7 Storage Efficiency Screen 3 Select the...

Page 43: ...prove performance or to use the fewest drives possible Click Next The Volume Size screen appears see Figure 3 9 Figure 3 9 Volume Size Screen 5 In the Volume Size screen use the Capacity field and dro...

Page 44: ...me If you decide to select multiple iSCSI initiators from the list you can use the following shortcuts For adjacent iSCSI initiators click the first one then hold down the Shift key and click the last...

Page 45: ...lume Otherwise click the Back button to return to the screen where you need to change a selection Then click Next until you return to this screen and click Finish to create the volume If the volume is...

Page 46: ...ect to individual drive failure Parity volumes support 3 to 17 drives although the effective storage capacity of the volume will be reduced by one drive which is reserved for parity data Mirror create...

Page 47: ...ipe box to specify the number of the members that will be in the stripe Click Next The Number of Drives screen appears see Figure 3 15 Figure 3 15 Number of Drives Screen 5 By default the Wizard will...

Page 48: ...d 6 Click Next If you selected Stripe Mirror Parity or Stripe a Stripe Depth screen similar to the one in Figure 3 16 appears and you should proceed to the next step Otherwise the Volume Size screen a...

Page 49: ...down list to select the size to be allocated for this volume Do not exceed the maximum volume size shown in the screen Click Next The Grant Access screen appears see Figure 3 18 Figure 3 18 Grant Acce...

Page 50: ...t selected For non adjacent initiators click the first one then hold down the Ctrl key and click each subsequent initiator To deselect an initiator hold down the Ctrl key and click an initiator that i...

Page 51: ...3 2 Destroy a volume See section 3 3 3 Grow a volume See section 3 3 4 Reconfigure a volume See section 3 3 5 Show advanced extents in the Extents tab See section 3 4 2 3 3 1 Granting or Revoking iSCS...

Page 52: ...selection uncheck this option and select one of the following Grant access to Initiator Enter the name of an initiator that will have access to this volume To enable CHAP check Require CHAP Logon Auth...

Page 53: ...remove unused iSCSI initiators if desired 3 3 2 Scanning a Volume After you create a volume you can scan it for errors This task reads every block in the volume to ensure that parity and media are co...

Page 54: ...er Then Under Scan Frequency specify how often the scan is to be performed Click the icon next to the right of the Date and time drop down list and select a date and time from the pop up calendar see...

Page 55: ...a volume does not sanitize data on the drive s To destroy a volume 1 In the Volume View click a volume in the Main Display 2 Perform one of the following steps On the Volumes menu click Destroy Volum...

Page 56: ...Perform one of the following steps On the Volumes menu click Grow Volume Click Grow Volume in the Volume Actions panel Press the right mouse button and click Grow Volume from the shortcut menu Any of...

Page 57: ...in the Detail Tabs lets you view information about the volume being reconfigured see section 3 4 3 The volume keeps its original composition until it is reconfigured After it is reconfigured the Reco...

Page 58: ...d see Figure 3 27 Click Close to remove this screen During the volume reconfiguration the Main Display in the Volume View can be used to view the progress of the reconfiguration In Figure 3 28 for exa...

Page 59: ...igure 3 27 Started Reconfiguring Volume Screen Figure 3 28 Example of the HR Documents Volume Being Reconfigured If you reconfigure a volume you can use the Schedule tab in the System Administration V...

Page 60: ...advanced settings for a volume See section 3 4 5 3 4 1 Changing Volume Names and Viewing Volume Information Volume Properties Tab When a volume is selected in the Main Display the volume name is inhe...

Page 61: ...f extents from several drives When a volume is selected in the Main Display you can use the Extents tab to view information about the extents on the selected volume Initially the Extents tab shows bas...

Page 62: ...ormation in the Extents tab for the selected volume On the Volumes menu check Show Advanced Extents Check Show Advanced Extents in the Volume Actions panel Press the right mouse button and click Exten...

Page 63: ...ed in the Main Display is being reconfigured see section 3 3 5 a Reconfigure tab appears between the Extents and Security tabs This read only screen shows the description and status of the drive being...

Page 64: ...volume you can enable CHAP If you want to change this setting you can use the Security tab to enable or disable CHAP or change the CHAP secret Record your settings in Table C 1 3 4 4 1 Enabling CHAP S...

Page 65: ...pears as a bullet 5 Click Apply 3 4 4 2 Changing the CHAP Secret To change the CHAP secret 1 In the Volume View click the volume in the Main Display whose CHAP secret you want to change 2 Click the Se...

Page 66: ...ed Settings tab lets you view or change advanced settings for that volume Figure 3 34 shows the advanced settings tab and Table 3 1 describes the settings To change a setting 1 In the Volume View clic...

Page 67: ...w the command Default is 8192 bytes Default Time To Wait Maximum time to wait in seconds for a login PDU to be received from the target in response to a login request sent by the initiator before fail...

Page 68: ...er Indicates whether the data PDUs within a sequence of data PDUs must be located at continuously increasing addresses Choices are Enabled the data PDUs within a sequence of data PDUs must be located...

Page 69: ...not set as Read Only default Set as Read Only 3 5 Removing iSCSI Initiators To remove an iSCSI initiator 1 In the Volume View click an iSCSI initiator 2 Perform one of the following steps to remove th...

Page 70: ...60 Chapter 3 Managing Volumes THIS PAGE LEFT INTENTIONALLY BLANK...

Page 71: ...you are in a different console view you can display the Physical Storage View by performing any of the following steps Clicking Physical Storage on the View menu Clicking Physical Storage in the View...

Page 72: ...acity used The status If you click a drive in the Main Display The Drive Actions panel lists the actions you can perform on the selected drive See section 4 2 The Detail Tabs let you view the properti...

Page 73: ...lected drive to be relocated onto different drives The Down Drive feature handles this requirement by performing a reconfigure task on every volume that uses space on the drive This operation is condu...

Page 74: ...rive can be reserved as a spare so long as no volumes have been created on the drive If you select a drive that has volumes the Reserve Drive as Spare option in step 2 will not be available 2 Perform...

Page 75: ...e is selected in the Main Display The SMART Attributes tab shows SMART attributes for a SATA drive this information is defined differently by each drive vendor See section 4 3 2 This tab does not appe...

Page 76: ...o monitor various aspects of the drive s performance determines from this information if the drive is behaving normally or not and makes available status information to software that probes the drive...

Page 77: ...When a drive is selected in the Main Display you can use the Extents tab to view information about the extents on the selected drive Initially the Extents tab shows basic extent information as shown...

Page 78: ...the Storage menu check Show Advanced Extents Check Show Advanced Extents in the Drive Actions panel Press the right mouse button and click Extent Table View Advanced from the shortcut menu Press the F...

Page 79: ...ation View If you are in a different console view you can display the System Administration View by performing any of the following steps Clicking System Administration on the View menu Clicking Syste...

Page 80: ...nt of storage and the amount of storage available Number of volumes that have been configured Number of initiators defined and the number of initiators currently connected Below the Main Display are t...

Page 81: ...8 Specify a battery policy for the xStack Storage See section 5 2 9 Set up user accounts See sections 5 2 10 and 2 3 View and change advanced settings See section 5 2 10 5 2 1 Viewing Historical Info...

Page 82: ...steps On the Tools menu click Save Event History In the System Actions panel click Save Event History Any of these steps displays the Save Event History dialog box see Figure 5 3 Figure 5 3 Save Event...

Page 83: ...onfiguration and downing of a drive The tab provides Suspend Cancel and Delete buttons for suspending canceling or deleting scheduled activities To suspend a scheduled activity click the activity and...

Page 84: ...llows you to propagate the configuration to other xStack Storage systems that will use the same settings When you save the current configuration the following settings are saved in a configuration fil...

Page 85: ...ation click the Save button The Open dialog box appears see Figure 5 7 Figure 5 7 Open Dialog Box 3 Using the Open dialog box go to the location where you want to store the configuration file 4 In the...

Page 86: ...restore the configuration 1 In the System Administration View click the Settings tab to display the general settings in Figure 5 6 on page 75 Or if you are already in the Settings tab but another scr...

Page 87: ...ation View click the Settings tab to display the general settings in Figure 5 6 on page 75 Or if you are already in the Settings tab but another screen is displayed click the General button on the lef...

Page 88: ...ation where the file has been downloaded 2 In the System Administration View click the Settings tab to display the general settings in Figure 5 6 on page 75 Or if you are already in the Settings tab b...

Page 89: ...Figure 5 11 Precautionary Message 3 Click OK to reboot the xStack Storage system or click Cancel to not reboot the xStack Storage system 5 2 8 Shutting Down the xStack Storage System Settings Tab The...

Page 90: ...e battery policy 1 In the System Administration View click the Settings tab 2 Click the System Policy button on the left side of the Settings tab The battery options in Figure 5 12 appear Figure 5 12...

Page 91: ...nt Center to manage the xStack Storage Thereafter you can use the User Accounts button in the Settings tab to edit user accounts in case you need to change a user s login password or delete user accou...

Page 92: ...column perform one of the following steps If the value is selected from a drop down list click in the field and select the desired value If the value is entered in the field double click in the field...

Page 93: ...er to send a time stamp reply back to the originating computer Systems can use time stamp requests and replies to measure the transmission speed of datagrams on a network Choices are Enabled TCP IP ti...

Page 94: ...server will be listening for email alerts from the xStack Storage Default is 25 iSNS Enabled Indicates whether iSNS is enabled Choices are Enabled iSNS is enabled and will register clients automatical...

Page 95: ...etwork Settings in the View panel Clicking the Network View button on the toolbar When you switch to the Network Settings View the Network Settings icon at the top of the Main Display may show a progr...

Page 96: ...an Ethernet iSCSI port in the Main Display the Port tab shows the settings for the selected port and lets you change the MTU size The Network Actions panel allows you to create a portal on the selecte...

Page 97: ...Startup Wizard Thereafter you can use the following procedure to view or change the xStack Storage s management port settings If you change these settings you must Restart the xStack Storage system f...

Page 98: ...ort If you encounter or suspect a problem with the management port you can originate an outgoing ping from the management port to the management host To ping from the management port 1 In the Network...

Page 99: ...r s IP address is not active elsewhere on the network 6 3 Viewing Ethernet Port Settings or Changing the MTU Setting You can view the settings of the xStack Storage s Ethernet iSCSI ports and change t...

Page 100: ...MTU size and default value is 1500 However you can select a larger value if your iSCSI network can handle a larger frame size to see whether it improves performance Selecting a higher MTU value known...

Page 101: ...P address es will be assigned to which the xStack Storage data port s before performing this procedure As you create network portals record your settings in Table C 4 Your iSCSI initiator must be awar...

Page 102: ...d to specify the ID of the VLAN to which this portal will belong 8 Click the OK button The network portal appears below the selected Ethernet port in the Main Display 6 4 2 Deleting a Network Portal I...

Page 103: ...of the following steps On the Network menu click Ping from Portal In the Network Actions panel click Ping from Portal Press the right mouse button and click Ping from Portal from the shortcut menu Any...

Page 104: ...it Ethernet switch In this example multiple workgroups join to form one high speed aggregated link In this figure the xStack Storage system is connected to a Gigabit Ethernet switch using eight 1000 M...

Page 105: ...option of creating a VLAN enabled group To group ports 1 In the Network Settings View click an Ethernet port in the Main Display 2 Perform one of the following steps On the Network menu click Group P...

Page 106: ...then hold down the Ctrl key and click each additional port you want to select If you decide not to include a port you selected hold down the Ctrl key and click the port to deselect it 6 Click OK 7 Rec...

Page 107: ...gs View of the Main Display click a LAG 2 Perform one of the following steps On the Network menu click Ungroup Ports In the Network Actions panel click Ungroup Ports Press the right mouse button and c...

Page 108: ...nce can be improved through careful logical and physical separation For example iSCSI SAN traffic should never be mixed with ordinary Ethernet user traffic This not only impairs SAN performance but al...

Page 109: ...ork menu click Replace Port with VLAN enabled Port Click Replace Port with VLAN enabled Port in the Network Actions panel Press the right mouse button and click Replace Port with VLAN enabled Port fro...

Page 110: ...steps On the Network menu click Replace Group with VLAN enabled Group Click Replace Group with VLAN enabled Group in the Network Actions panel Press the right mouse button and click Replace Group with...

Page 111: ...by the xStack Storage Management Center See section 7 2 Log Out lets you log out of the current xStack Storage Management Center session See section 2 4 7 1 Adding an xStack Storage The Add xStack Sto...

Page 112: ...panel start with step 4 in section 2 1 to log in to the xStack Storage system 7 2 Removing an xStack Storage If you no longer need to manage an xStack Storage system use Remove xStack Storage in the...

Page 113: ...ides suggestions and guidelines for optimizing your management experience with the xStack Storage Management Center The topics covered in this chapter are Section 8 1 Saving Configuration Settings pag...

Page 114: ...and resized to suit user preferences If the window s default preferences have been changed you can reset them to their default settings by clicking Reset Display Preferences on the View menu 8 3 Worki...

Page 115: ...Storage system via these ports Table 8 1 xStack Storage Ports Port Description 23 Telnet 80 http Web Server 443 https Web Server 5988 CIM 5989 CIM HTTPS For outgoing traffic from the xStack Storage sy...

Page 116: ...106 Chapter 8 Best Practices THIS PAGE LEFT INTENTIONALLY BLANK...

Page 117: ...ack Storage Management Center session see section 2 4 Exit closes the xStack Storage Management Center and exits the session see section 2 5 A 2 View Menu Volumes displays the Volume View see section...

Page 118: ...ume see section 3 3 1 Scan Volume scans a volume now or at a scheduled date time see section 3 3 2 Destroy Volume destroys a volume see section 3 3 3 Grow Volume grows a volume see section 3 3 4 Recon...

Page 119: ...individual ports see section 6 5 1 A 8 Network Menu Group Ethernet Port Selected Create Portal creates portals see section 6 4 1 Remove Port from Group removes a port from a LAG see section 6 5 3 A 9...

Page 120: ...110 Appendix A Menu Summary THIS PAGE LEFT INTENTIONALLY BLANK...

Page 121: ...ing Parameter Default Value Timezone UTC Table B 3 Modify System TCPIP Default Settings Parameter Default Value Max Segment Size 8960 Window Scale 0 Time To Live TTL 64 PMTU Enabled True Table B 4 Set...

Page 122: ...t 2 seconds Default Time To Retain 20 seconds Maximum R2T Outstanding 8 Maximum Connections 8 Error Recovery Level 0 session recovery class Initial R2T Enabled Immediate Data Enabled Data PDU In Order...

Page 123: ...cal time zone iSCSI Port Number 3260 TCP IP Time to Live 64 seconds TCP IP Maximum IP Segmentation 8960 bytes TCP IP Window Scale 0 TCP IP Timestamp Disabled TCP IP PMTU Enabled TCP IP Reset Upper Lay...

Page 124: ...114 Appendix B Factory Default Settings THIS PAGE LEFT INTENTIONALLY BLANK...

Page 125: ...me Size Volume Composition Parity Mirror etc Stripe Width Number of Stripes in Set Number of Drives Stripe Depth CHAP Security No Yes Secret ________________________ No Yes Secret ____________________...

Page 126: ...__ No Yes Secret ________________________ No Yes Secret ________________________ No Yes Secret ________________________ No Yes Secret ________________________ No Yes Secret ________________________ No...

Page 127: ..._____________________________ CHAP Secret_______________________________________________ Revoked for Initiator ________________________________ Granted to All Initiators Granted to Initiator _________...

Page 128: ...___________________________________ Revoked for Initiator ________________________________ Granted to All Initiators Granted to Initiator ________________________________ CHAP Secret__________________...

Page 129: ...xStack Storage Management Center Software User s Guide 119 Table C 3 Groups Created Using the xStack Storage Storage Array Physical Ethernet Ports Grouped VLAN Enabled Yes No MTU Size...

Page 130: ...tion Settings C 4 Recording Network Portals Use Table C 4 to record information about the network portals you create Table C 4 Network Portals Created Using the xStack Storage Storage Array IP Address...

Page 131: ...cording Scheduled Tasks Use Table C 5 to record information about the scheduled tasks you create Table C 5 Scheduled Tasks Created Using the xStack Storage Storage Array Operation Name Object Operatio...

Page 132: ...endix C Recording Your Configuration Settings C 6 Admin Login Password If you change the default admin login password record it in Table C 6 Table C 6 Admin Login Password xStack Storage Admin Login P...

Page 133: ...gement Center Software User s Guide 123 C 7 Configuration Files If you save a configuration to a configuration file record it in Table C 7 Table C 7 Configuration Files Configuration File Name File Lo...

Page 134: ...ppendix C Recording Your Configuration Settings C 8 Management Port Settings Record your management port settings in Table C 8 Table C 8 Management Port Settings IP Address Subnet Default Gateway Host...

Page 135: ...xStack Storage Management Center Software User s Guide 125 C 9 Data Port Settings Record your data port settings in Table C 9 Table C 9 Data Port Settings IP Address Subnet Default Gateway Host Name...

Page 136: ...26 Appendix C Recording Your Configuration Settings C 10 Email Settings Record your email settings in Table C 10 Table C 10 Email Setting Enable Email Support SMTP Server IP Address Port Number From T...

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