File_System_Migration

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CDMS Overview PS0 PS1 PS2 PS3 PS4 SMB0 SMB1 Source File Server VNX Figure 5 Transferring /Mail/Users directory attributes 3. The /Mail/Users/Joe directory is opened. In this step, the /Mail/Users/Joe directory is migrated by transferring the attributes for the /Mail/Users/Joe/mail.txt file, as shown in Figure 6 on page 40. Figure 6 Transferring /Mail/Users/Joe directory attributes 40 VNX File System Migration Version 2.0 for NFS and CIFS User Guide 7.1 Mail Options Mail Users Alex Ted Joe Options Users mail.txt Alex Ted Joe mail.txt SB14 SB12 SB10 SB10 SB8 SB6 SB4 SB2 SB0 Mail Options SB15 SB13 Users Source File Server VNX SB14 SB14 SB12 SB10 SB8 SB6 SB4 SB2 SB0 Mail SB11 Alex SB9 SB7 SB5 SB3 SB1 PS0 PS1 PS2 PS3 PS4 SMB0 SMB1 Ted Joe Options SB15 SB13 Users SB11 Alex SB9 SB7 SB5 SB3 SB1 Ted Joe mail.txt VNX-000054
CDMS Overview 4. The mail.txt file is read, as shown in Figure 7 on page 41. The first 8 KB of the mail.txt file is migrated to satisfy the client’s application program request. The remainder of the file is migrated when the last byte of the file is read. If no application program reads the last byte of the file, it is read by the internal migration command later. Mail Options Users Alex Ted Joe mail.txt Source File Server VNX Figure 7 Migration of an 8 KB file SB14 SB14 SB12 SB12 SB10 SB10 SB8 SB6 SB4 SB2 SB0 Mail Options PS0 PS1 PS2 PS3 PS4 SMB0 SMB1 PS0 PS1 PS2 PS3 PS4 SMB0 SMB1 SB15 SB15 SB13 SB13 Users SB11 SB11 Alex SB9 SB7 SB5 SB3 SB1 Ted Joe mail.txt VNX-000055 CDMS functionality 41
Page 1 and 2: EMC ® VNX Series VNX File System
Page 3 and 4: Preface Contents Chapter 1 CDMS Ove
Page 5 and 6: Administrative share methodology...
Page 7 and 8: Figures Title Page 1 NFS configurat
Page 9 and 10: Tables Title Page 1 CIFS migration
Page 11 and 12: Preface As part of an effort to imp
Page 13 and 14: Typographical conventions EMC uses
Page 15 and 16: Invisible Body Tag 1 CDMS Overview
Page 17 and 18: Supported capabilities CDMS Overvie
Page 19 and 20: CIFS specific The following support
Page 21 and 22: Scope CDMS Overview This section co
Page 23 and 24: Assumptions CDMS Overview This sect
Page 25 and 26: Configuring VNX User Mapping provid
Page 27 and 28: CDMS Overview ◆ The user account
Page 29 and 30: System requirements CDMS Overview T
Page 31 and 32: Restrictions and limitations CDMS O
Page 33 and 34: CDMS Overview ◆ Microsoft guarant
Page 35 and 36: NFS specific The following tools ar
Page 37 and 38: CDMS Overview Figure 2 on page 37 s
Page 39: Mail Options Users Alex Ted Joe mai
Page 43 and 44: Issue tracker CDMS Overview The iss
Page 45 and 46: Invisible Body Tag 2 Site Preparati
Page 47 and 48: Checklist This section contains a c
Page 49 and 50: Site Preparation ❑ Configure the
Page 51 and 52: Using the server_cdms command Table
Page 53 and 54: User interfaces choices GUI support
Page 55 and 56: Determining file system size Runnin
Page 57 and 58: Site Preparation ◆ If the source
Page 59 and 60: Site Preparation ◆ Creating print
Page 61 and 62: Usermapper methods Site Preparation
Page 63 and 64: Adding Win32 API to Perl script (CI
Page 65 and 66: Step Action Table 5 Adding Win32 AP
Page 67 and 68: Invisible Body Tag 3 Migration Proc
Page 69 and 70: Personnel qualifications Migration
Page 71 and 72: Invisible Body Tag 4 Planning and D
Page 73 and 74: Planning and Design migrations, a c
Page 75 and 76: Planning and Design Do files get co
Page 77 and 78: Planning and design Planning and De
Page 79 and 80: Step Action Planning and Design 4 (
Page 81 and 82: Data Migration Analysis and detaile
Page 83 and 84: Step Action To complete the file sy
Page 85 and 86: Planning and Design File format The
Page 87 and 88: Invisible Body Tag 5 NFS The follow
Page 89 and 90: Summary Table 6 on page 89 summariz
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2. If the Data Mover assumes the IP
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Step 2: Preparing file systems for
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Action To create an MGFS, use this
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6. Check that the file system is mo
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Step 4: Starting the CDMS migration
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Action localPort= = port number use
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3. Check the server log to ensure t
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The fstab must be modified as follo
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Step 6: Ensuring that all data is m
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Output $ server_2 : pmacF30: path =
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Extending disk space If you run out
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Step 8: Verifying migration complet
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Action To verify the status of a mi
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Step 9: Converting the migration fi
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Many-to-one migration Step 5: Conne
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-type {nfsv2|nfsv3} = NFS version 3
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Parallelization or serialization Si
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Ensure that you monitor the progres
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Postmigration testing Assuming the
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Invisible Body Tag 6 CIFS The follo
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Administrative share methodology Us
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One-to-one migration Source file se
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Summary Table 8 on page 135 summari
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Step 1: Creating an account Create
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For a Windows NT 4.0 environment If
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Output SHAREDUP 01.06 Copyright (c)
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where: exclude = default prefix =
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Step 4: Identifying high-priority f
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Note: Kerberos is a security system
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3. Enable Unicode for the Data Move
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Action To configure interfaces betw
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Perform the following: 1. Create st
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Output Note id = 18 name = mgfs1 ac
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Step 8: Preparing for migration Per
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a. If migrating from a Windows 2000
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Step 9: Setting up the CIFS environ
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3. For Windows environments, ensure
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Two rights are required for the lgd
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Step 11: Creating CDMS connections
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For a Windows NT 4.0 environment Ac
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Configure the Data Mover by using a
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Step 14: Ensuring that all data is
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If the error log is not empty, foll
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Monitoring progress Action To monit
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Action To verify the status of a mi
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Step 17: Converting the MGFS to a U
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! CAUTION Step 18: The next step If
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Summary The steps to implement many
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Retained server name merge New serv
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Step 4: Evaluating the source file
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Output Note id = 246 name = stv1 ac
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Output id = 33 name = mgfs2 acl = 0
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Two rights are required for the lgd
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Step 10: Setting up the CIFS enviro
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For a Windows NT 4.0 environment Ac
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Step 11: Migrating local group info
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Action To migrate the local group i
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Create connections for each CIFS so
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To perform this task, use a command
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= mount point name of the MGFS (wit
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The sharedup.exe utility output fil
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Step 14: Ensuring all data is migra
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Step 6: Backing up the source file
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Step 10: Setting up the CIFS enviro
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Step 16: The next step If all CIFS
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Invisible Body Tag 7 Troubleshootin
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Problems and solutions Troubleshoot
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CDMS connect fails on session setup
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Migration suspension (hang) conditi
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For example, if the system server_3
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Connection command failures (CIFS)
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Time skews too much in a Windows 20
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Example SMB: 3: CIFSCallBackForMGFS
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Managing a failed verification or c
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Step Action Troubleshooting CDMS 5
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Using the server_cdms command Troub
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Table 14 Migration error codes (pag
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CDMS server log error messages Trou
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Invisible Body Tag A Using CDMS Mig
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Tool description summary Using CDMS
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ackupWrapper.exe utility Using CDMS
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# #SHAREDUP FILE @Revision:1 @Sourc
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Using CDMS Migration Tools to migra
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ch_group.pl script Tool location UN
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Using CDMS Migration Tools “Migra
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Using CDMS Migration Tools ◆ If t
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Running the script Run the scripts
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Displaying directory structure (Win
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Using CDMS Migration Tools Using a
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Using CDMS Migration Tools If the a
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Using CDMS Migration Tools Function
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Step Action Using CDMS Migration To
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Using CDMS Migration Tools xxxxxxxx
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International multibyte character s
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Subdirectory open successfully Clie
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Known issues There are known issues
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diskUsage.pl script Using CDMS Migr
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Entering the pathname for the log f
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Using CDMS Migration Tools ========
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Using CDMS Migration Tools As shown
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lgdup.exe utility Using CDMS Migrat
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Table 19 The shareup.exe utility op
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Invisible Body Tag B Estimating NFS
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Assumptions Estimating NFS Data Mig
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Initial time estimate Example Estim
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Small file data migration rates Est
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Estimating NFS Data Migration Times
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Parallel migration Estimating NFS D
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Invisible Body Tag C NFS Mount and
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Constructing read requests NFS Moun
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NFS Mount and Export Options File i
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NFS Mount and Export Options The an
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Migrating files with the SetGroupID
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Invisible Body Tag D Logging The fo
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Sample session The following is an
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. Using a text editor, open the par
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Invisible Body Tag E Network Applia
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Procedure Step Action Network Appli
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! Output Network Appliance Consider
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Network Appliance Considerations 7.
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Symbols .ckpt file, disposition 269
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connection command spaces in share
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converting 51 exporting for NetApp
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duration variables 110, 174 example
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Windows systems 33 sequential migra
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X xlt.cfg file, editing for interna
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File_System_Migration

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