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Chapter 12

Non-disruptive Storage Migration

This chapter describes the procedures for connecting and disconnecting paths and provides notes for when
the Non-disruptive Storage Migration function is used in the example Native Multipath environment that
runs HP-UX 11iv3.

■

Connecting Paths

The following procedure shows how to add a path to the migration destination storage system from the serv-
er (HP-UX 11iv3) after the migration destination storage system is connected.

1

Check the multipath status.
Check the added LUNs.

[Thu Aug 03 19:48:30 rx28001:/] ioscan -kfnNC lunpath
Class     I  H/W Path  Driver S/W State   H/W Type     Description
==================================================================
lunpath   0  0/0/0/1/0/0/0.0x0.0x0                                        eslpt   CLAIMED     LUN_PATH     LUN path for ctl0
lunpath   1  0/0/0/1/0/0/0.0x0.0x1000000c0000000                          eslpt   CLAIMED     LUN_PATH     LUN path for disk4
lunpath   2  0/0/0/1/0/0/0.0x0.0x1010000c0000000                          eslpt   CLAIMED     LUN_PATH     LUN path for disk5
lunpath   3  0/0/0/1/0/0/0.0x0.0x1020000c0000000                          eslpt   CLAIMED     LUN_PATH     LUN path for disk6

lunpath  39  0/0/0/7/0/0/0/5/0/0/0.0x2048000b5d6a0ba0.0x0                 eslpt   CLAIMED     LUN_PATH     LUN path for ctl7
lunpath  40  0/0/0/7/0/0/0/5/0/0/0.0x2048000b5d6a0ba0.0x4000000000000000  eslpt   CLAIMED     LUN_PATH     LUN path for disk76
lunpath  41  0/0/0/7/0/0/0/5/0/0/0.0x2048000b5d6a0ba0.0x4001000000000000  eslpt   CLAIMED     LUN_PATH     LUN path for disk77
lunpath  42  0/0/0/7/0/0/0/5/0/0/0.0x2048000b5d6a0ba0.0x4002000000000000  eslpt   CLAIMED     LUN_PATH     LUN path for disk78
lunpath  43  0/0/0/7/0/0/0/5/0/0/0.0x2048000b5d6a0ba0.0x4003000000000000  eslpt   CLAIMED     LUN_PATH     LUN path for disk79
lunpath  44  0/0/0/7/0/0/0/5/0/0/0.0x2048000b5d6a0ba0.0x4004000000000000  eslpt   CLAIMED     LUN_PATH     LUN path for disk80
lunpath  46  0/0/0/7/0/0/0/5/0/0/0.0x2048000b5d6a0ba0.0x4005000000000000  eslpt   CLAIMED     LUN_PATH     LUN path for disk81
lunpath  47  0/0/0/7/0/0/0/5/0/0/0.0x2048000b5d6a0ba0.0x4006000000000000  eslpt   CLAIMED     LUN_PATH     LUN path for disk82
lunpath  48  0/0/0/7/0/0/0/5/0/0/0.0x2048000b5d6a0ba0.0x4007000000000000  eslpt   CLAIMED     LUN_PATH     LUN path for disk83
lunpath  45  0/0/0/8/0/0/0/5/0/0/0.0x2049000b5d6a0ba0.0x0                 eslpt   CLAIMED     LUN_PATH     LUN path for ctl7
lunpath  49  0/0/0/8/0/0/0/5/0/0/0.0x2049000b5d6a0ba0.0x4000000000000000  eslpt   CLAIMED     LUN_PATH     LUN path for disk76
lunpath  50  0/0/0/8/0/0/0/5/0/0/0.0x2049000b5d6a0ba0.0x4001000000000000  eslpt   CLAIMED     LUN_PATH     LUN path for disk77
lunpath  51  0/0/0/8/0/0/0/5/0/0/0.0x2049000b5d6a0ba0.0x4002000000000000  eslpt   CLAIMED     LUN_PATH     LUN path for disk78
lunpath  52  0/0/0/8/0/0/0/5/0/0/0.0x2049000b5d6a0ba0.0x4003000000000000  eslpt   CLAIMED     LUN_PATH     LUN path for disk79
lunpath  53  0/0/0/8/0/0/0/5/0/0/0.0x2049000b5d6a0ba0.0x4004000000000000  eslpt   CLAIMED     LUN_PATH     LUN path for disk80
lunpath  54  0/0/0/8/0/0/0/5/0/0/0.0x2049000b5d6a0ba0.0x4005000000000000  eslpt   CLAIMED     LUN_PATH     LUN path for disk81
lunpath  55  0/0/0/8/0/0/0/5/0/0/0.0x2049000b5d6a0ba0.0x4006000000000000  eslpt   CLAIMED     LUN_PATH     LUN path for disk82
lunpath  56  0/0/0/8/0/0/0/5/0/0/0.0x2049000b5d6a0ba0.0x4007000000000000  eslpt   CLAIMED     LUN_PATH     LUN path for disk83

lunpath   4  0/0/0/31/2.0x0.0x0                                           eslpt   CLAIMED     LUN_PATH     LUN path for disk7
[Thu Aug 03 19:48:43 rx28001:/]

2

Connect the multipath.
Add the host affinity setting to the migration destination storage system.

3

Rescan the device.

[Thu Aug 03 20:00:51 rx28001:/] ioscan

37

FUJITSU Storage ETERNUS AF, ETERNUS DX Configuration Guide -Server Connection- (Fibre Channel) for HP-UX

Copyright 2020 FUJITSU LIMITED

P3AM-3772-22ENZ0

Содержание eternus af

Страница 1: ...FUJITSU Storage ETERNUS AF ETERNUS DX Configuration Guide Server Connection Fibre Channel for HP UX P3AM 3772 22ENZ0 ...

Страница 2: ...This page is intentionally left blank ...

Страница 3: ...storage systems and server Chapter 4 Checking the Server Information page 13 This chapter describes how to check the server s WWN settings Chapter 5 Setting Up the ETERNUS AF DX page 15 This chapter describes how to set up the ETERNUS AF DX storage systems using ETERNUS Web GUI Chapter 6 Setting Up the Fibre Channel Switches page 16 This chapter describes how to set up the Fibre Channel switches C...

Страница 4: ...M Notes 12 3 6 Veritas Volume Manager VxVM Notes 12 3 7 Notes for Veritas Volume Manager Dynamic Multipathing VxVM DMP 12 3 8 Veritas Cluster Server VCS Notes 12 3 9 Server Startup and Power Supply Control Notes 12 Chapter 4 Checking the Server Information 13 Chapter 5 Setting Up the ETERNUS AF DX 15 Chapter 6 Setting Up the Fibre Channel Switches 16 Chapter 7 Installing Drivers and Setting Up the...

Страница 5: ...ing PV Links 23 9 2 Multipath Configuration Using Native Multipath 24 9 2 1 Setting the I O Load Balance Policy load_bal_policy 24 9 2 2 Enabling ALUA alua_enabled 25 Chapter 10 SAN Boot 27 Chapter 11 Storage Migration 28 Chapter 12 Non disruptive Storage Migration 37 Table of Contents 5 FUJITSU Storage ETERNUS AF ETERNUS DX Configuration Guide Server Connection Fibre Channel for HP UX Copyright 2...

Страница 6: ...uired to operate the ETERNUS AF DX Also check the WWN of the Fibre Channel card for the server that is required to set the ETERNUS AF DX Chapter 4 Checking the Server Information page 13 Chapter 5 Setting Up the ETERNUS AF DX page 15 Checking the setup and maintenance operations ETERNUS Web GUI User s Guide Setting up the ETERNUS AF DX Configuration Guide Server Connection Storage System Settings ...

Страница 7: ...he Server to Recognize the Logical Units page 21 Setting the Server to Match the System Configuration Set up the server as required by the system configuration Multipath configurations Set PV Links 9 1 Multipath Configuration Using PV Links page 23 Set Native Multipath 9 2 Multipath Configuration Using Native Multipath page 24 Veritas Volume Manager Dynamic Multipathing VxVM DMP Facility 3 6 Verit...

Страница 8: ...System OS Refer to the Server Support Matrix 2 3 Fibre Channel Cards Refer to the Server Support Matrix 2 4 Multipath Configuration Refer to the Server Support Matrix 2 5 Integrity VM Refer to the Server Support Matrix 2 6 Veritas Volume Manager VxVM Refer to the Server Support Matrix 8 FUJITSU Storage ETERNUS AF ETERNUS DX Configuration Guide Server Connection Fibre Channel for HP UX Copyright 20...

Страница 9: ... Server Support Matrix Chapter 2 Checking the Server Environment 2 7 Veritas Cluster Server VCS 9 FUJITSU Storage ETERNUS AF ETERNUS DX Configuration Guide Server Connection Fibre Channel for HP UX Copyright 2020 FUJITSU LIMITED P3AM 3772 22ENZ0 ...

Страница 10: ...el Fibre Channel Switch Settings Set the Fibre Channel switch domain ID to anything other than 8 When the domain ID is set to 8 the device cannot be recognized correctly When carrying out maintenance on the Fibre Channel switches the switch domain ID must be the same after maintenance as it was before Make certain that reconnection is made to the correct port after carrying out the maintenance of ...

Страница 11: ...ed Set AD355A and AD299A Fibre Channel card connected Fibre Channel switch ports to not LinkUp via the L Port This is because AD355A and AD299A Fibre Channel cards do not support PublicLoop LinkUp and this setting prevents them from attempting to do so Example When an AD355A is connected to switch port 4 of an ETERNUS SN200 series execute the following com mand to disable LinkUp via the L Port on ...

Страница 12: ...e installed according to the directions given in the documentation provided with Veritas Cluster Server 3 9 Server Startup and Power Supply Control Notes Before turning the server on check that the ETERNUS AF DX storage systems and Fibre Channel switches are all Ready If the server is turned on and they are not Ready the server will not be able to recognize the ETERNUS AF DX storage systems Also w...

Страница 13: ...e Channel cards being used In the following example the recognized Fibre Channel card s device files are dev fcd0 dev fcd1 dev fcd2 and dev fcd3 ioscan funC fc Class I H W Path Driver S W State H W Type Description fc 0 0 3 1 0 fcd CLAIMED INTERFACE HP 2Gb Dual Port PCI PCI X Fibre Channel Adapter Port 1 dev fcd0 fc 1 0 3 1 1 fcd CLAIMED INTERFACE HP 2Gb Dual Port PCI PCI X Fibre Channel Adapter P...

Страница 14: ... Loop_id is 125 N_Port Node World Wide Name 0x50060b00001d69c9 N_Port Port World Wide Name 0x50060b00001d69c8 Switch Port World Wide Name N A Switch Node World Wide Name N A Driver state ONLINE Hardware Path is 0 3 1 0 Maximum Frame Size 2048 Driver Firmware Dump Available YES Driver Firmware Dump Timestamp Mon Aug 23 19 09 27 2004 Driver Version libfcd a HP Fibre Channel ISP 23x x Driver B 11 23 ...

Страница 15: ...For details on how to perform these settings refer to the following manuals Configuration Guide Server Connection Storage System Settings that corresponds to the ETERNUS AF DX to be connected ETERNUS Web GUI User s Guide 15 FUJITSU Storage ETERNUS AF ETERNUS DX Configuration Guide Server Connection Fibre Channel for HP UX Copyright 2020 FUJITSU LIMITED P3AM 3772 22ENZ0 ...

Страница 16: ...ult values set the Host Response again The following examples show configurations in which a server is connected to a Fibre Channel switch with zoning The following example shows a configuration for multiple servers Port2 Port0 Port6 Port4 Port3 Port1 Port7 Port5 Port2 Port0 Port6 Port4 Port3 Port1 Port7 Port5 ZONE1 ZONE2 ZONE3 ZONE4 Name Server 1 Port1 Port0 Name Server 2 Port1 Port0 Cascading li...

Страница 17: ...3 Port1 Port7 Port5 Cascading line ZONE1 ZONE2 ZONE3 ZONE4 FC switch FC switch Server Port0 Port1 CM0 CM1 ETERNUS AF DX Port0 Port0 Port1 Port1 Chapter 6 Setting Up the Fibre Channel Switches 17 FUJITSU Storage ETERNUS AF ETERNUS DX Configuration Guide Server Connection Fibre Channel for HP UX Copyright 2020 FUJITSU LIMITED P3AM 3772 22ENZ0 ...

Страница 18: ... of simultaneous command processes per CA port num ber of Fibre Channel ports connected to a single CA port number of LUNs Round the result down to the nearest whole number The maximum number of simultaneous command processes per CA port is as follows The value is used by multiple servers that share the CA port The commands are processed until the limit is reached Model Maximum number of simultane...

Страница 19: ... B 10 LUNs recognized on this path Number of LUNs 10 Number of LUNs 12 12 LUNs recognized on this path For multipath connection the command queue depth is determined similarly For the multipath connection example shown below 20 LUNs are recognized on each path so the command queue depth is set to 51 For all types of multipath the command queue depth is always decided by the number of LUNs recogniz...

Страница 20: ...mple Setting the command queue depth of disk20 to 8 scsimgr save_attr D dev rdisk disk20 a max_q_depth 8 Refer to the HP UX manuals for details of the scsimgr command Chapter 7 Installing Drivers and Setting Up the Server 7 2 Setting Up the Server 20 FUJITSU Storage ETERNUS AF ETERNUS DX Configuration Guide Server Connection Fibre Channel for HP UX Copyright 2020 FUJITSU LIMITED P3AM 3772 22ENZ0 ...

Страница 21: ... to Recognize the Logical Units Make the server recognize the logical units LUN set in the ETERNUS AF DX storage systems 1 Use the ioscan command to check which devices are connected Enter as follows for LegacyView old format results ioscan fn Enter as follows for AgileView HP UX11iv3 and newer format results ioscan fnN Check that all connected devices are listed in the ioscan output and CLAIMED i...

Страница 22: ...ows and execute insf H hw_path_to_device e The device file is displayed in the following format LegacyDSF Format dev r dsk cXtYdZ X Position of Fibre Channel card Y Target number 0 to 15 Z LUN 0 to 7 ETERNUS AF DX storage systems LUNs and device files correspond as follows ETERNUS AF DX LUN ID LUN 0x00 cXt0d0 LUN 0x07 cXt0d7 LUN 0x08 cXt1d0 LUN 0x0F cXt1d7 LUN 0x10 cXt2d0 Server device file Persis...

Страница 23: ...sing PV Links note the following Confirm that the PV Links paths have identical target IDs For a direct connection confirm that the PV Links paths have identical target IDs Confirm that the PV Links paths have identical target IDs by checking the ETERNUS AF DX CA port settings for each PV Link path and comparing the target IDs When set correctly the device files for all paths that connect to a giv...

Страница 24: ...ocedure of I O load balance policy setting Setting the I O load balance policy to round_robin scsimgr save_attr D dev rdisk disk25 a load_bal_policy round_robin Execute this load_bal_policy setting command for all LUNs in the ETERNUS AF DX If the I O load balance policy is preferred_path a priority path must be set Set the path that is used when the I O load is balanced as the priority path Exampl...

Страница 25: ...the operations described below are not required 2 Check the alua_enabled setting Use the scsimgr command to check the alua_enabled attribute for each LUN Execute the command for all LUNs in the ETERNUS AF DX Example for checking the alua_enabled setting scsimgr get_attr D dev rdisk disk25 a alua_enabled SCSI ATTRIBUTES FOR LUN dev rdisk disk25 name alua_enabled current true default true saved true...

Страница 26: ...ue Value of attribute alua_enabled saved successfully Chapter 9 Setting the Multipaths 9 2 Multipath Configuration Using Native Multipath 26 FUJITSU Storage ETERNUS AF ETERNUS DX Configuration Guide Server Connection Fibre Channel for HP UX Copyright 2020 FUJITSU LIMITED P3AM 3772 22ENZ0 ...

Страница 27: ... the Fibre Channel card that is to be used When using a logical unit LUN of the ETERNUS AF DX storage systems as a boot disk make sure that the LUN has enough capacity to install the OS 27 FUJITSU Storage ETERNUS AF ETERNUS DX Configuration Guide Server Connection Fibre Channel for HP UX Copyright 2020 FUJITSU LIMITED P3AM 3772 22ENZ0 ...

Страница 28: ...he multipath driver in a non cluster environment 1 Acquire and save the configuration information that is used when importing the volume group 2 Unmount the file system 3 Deactivate the volume group 4 Export the LVM volume and remove the LUN 5 Turn off the server 6 Start Storage Migration change the connection destination to the migration destination ETERNUS AF DX and then reboot the server 7 Impo...

Страница 29: ...t0d0 dev rdsk c4t0d0 disk 13 0 4 0 0 0 0 10 1 0 2 0 1 sdisk CLAIMED DEVICE FUJITSU ETERNUS_DX400 dev dsk c4t0d1 dev rdsk c4t0d1 Omitted disk 19 0 4 0 0 0 0 10 1 0 2 0 7 sdisk CLAIMED DEVICE FUJITSU ETERNUS_DX400 dev dsk c4t0d7 dev rdsk c4t0d7 strings etc lvmtab Omitted dev vg01 dev dsk c2t0d0 dev dsk c4t0d0 dev vg02 dev dsk c2t0d1 dev dsk c4t0d1 Omitted dev vg08 dev dsk c2t0d7 dev dsk c4t0d7 vgdis...

Страница 30: ...119 Total PVG 0 Total Spare PVs 0 Total Spare PVs in use 0 Logical volumes LV Name dev vg08 lvol1 LV Status available syncd LV Size Mbytes 20000 Current LE 5000 Allocated PE 5000 Used PV 1 Omitted Physical volumes PV Name dev dsk c4t0d7 PV Name dev dsk c2t0d7 Alternate Link PV Status available Total PE 5119 Free PE 119 Autoswitch On Proactive Polling On ls l dev group crw r 1 root sys 64 0x000000 ...

Страница 31: ... n dev vg08 fDeactivate the volume group Volume group dev vg08 has been successfully changed vgdisplay v dev vg01 vgdisplay Volume group not activated fConfirm that the volume group is deactivated vgdisplay Cannot display volume group dev vg01 Omitted vgdisplay v dev vg08 vgdisplay Volume group not activated fConfirm that the volume group is deactivated vgdisplay Cannot display volume group dev vg...

Страница 32: ... 0 0 0 0 10 2 0 2 0 0 sdisk CLAIMED DEVICE FUJITSU ETERNUS_DXH dev dsk c8t0d0 dev rdsk c8t0d0 disk 29 0 4 0 0 0 0 10 2 0 2 0 1 sdisk CLAIMED DEVICE FUJITSU ETERNUS_DXH dev dsk c8t0d1 dev rdsk c8t0d1 Omitted disk 34 0 4 0 0 0 0 10 2 0 2 0 6 sdisk CLAIMED DEVICE FUJITSU ETERNUS_DXH dev dsk c8t0d6 dev rdsk c8t0d6 disk 35 0 4 0 0 0 0 10 2 0 2 0 7 sdisk CLAIMED DEVICE FUJITSU ETERNUS_DXH dev dsk c8t0d7...

Страница 33: ...group Information collected before migration mknod dev vg01 group c 64 0x010000 omitted mknod dev vg08 group c 64 0x080000 Same as the setting values from before migration Device name Settings after migration Minor number A setting example for when vg01 is defined is described in Step 3 3 Check the adapter numbers and LUNs for both the Primary Link 1 and the Alternate Link 2 from before migration ...

Страница 34: ...t0d0 and the Alternate Link device name dev dsk c4t0d0 For dev vg01 the H W path for the Primary Link is 0 2 0 0 0 0 202 2 0 2 0 0 and the H W path for the Alternate Link is 0 4 0 0 0 0 10 1 0 2 0 0 ioscan kfn Class I H W Path Driver S W State H W Type Description omitted disk 4 0 2 0 0 0 0 202 2 0 2 0 0 sdisk CLAIMED DEVICE FUJITSU ETERNUS_DX400 dev dsk c2t0d0 dev rdsk c2t0d0 omitted disk 12 0 4 ...

Страница 35: ...imary Link and the Alternate Link for all volume groups af ter the migration 5 Import the volume group Execute the vgimport command in the following format vgimport m map file name vg device name Primary Link device name Alternate Link de vice name vgimport m var tmp map vg01 map dev vg01 dev dsk c6t0d0 dev dsk c8t0d0 fImport the volume group hPrimary Link hAlternate Link vgimport Warning Volume G...

Страница 36: ...olling On 9 Mount the file system bdf fConfirm that the file system is not mounted Filesystem kbytes used avail used Mounted on dev vg00 lvol3 2097152 284816 1798200 14 Omitted dev vg00 lvol5 106496 8496 97240 8 home mount dev vg01 lvol1 mnt file01 fMount the file system mount dev vg02 lvol1 mnt file02 mount dev vg05 lvol1 mnt file05 mount dev vg06 lvol1 mnt file06 bdf fCheck the mounted file syst...

Страница 37: ...CLAIMED LUN_PATH LUN path for disk80 lunpath 46 0 0 0 7 0 0 0 5 0 0 0 0x2048000b5d6a0ba0 0x4005000000000000 eslpt CLAIMED LUN_PATH LUN path for disk81 lunpath 47 0 0 0 7 0 0 0 5 0 0 0 0x2048000b5d6a0ba0 0x4006000000000000 eslpt CLAIMED LUN_PATH LUN path for disk82 lunpath 48 0 0 0 7 0 0 0 5 0 0 0 0x2048000b5d6a0ba0 0x4007000000000000 eslpt CLAIMED LUN_PATH LUN path for disk83 lunpath 45 0 0 0 8 0 ...

Страница 38: ...21 0x4006000000000000 eslpt CLAIMED LUN_PATH LUN path for disk82 fAdded path lunpath 60 0 0 0 7 0 0 0 5 0 0 0 0x500000e0da120921 0x4007000000000000 eslpt CLAIMED LUN_PATH LUN path for disk83 fAdded path lunpath 45 0 0 0 8 0 0 0 5 0 0 0 0x2049000b5d6a0ba0 0x0 eslpt CLAIMED LUN_PATH LUN path for ctl7 lunpath 49 0 0 0 8 0 0 0 5 0 0 0 0x2049000b5d6a0ba0 0x4000000000000000 eslpt CLAIMED LUN_PATH LUN pa...

Страница 39: ...th for disk80 lunpath 63 0 0 0 7 0 0 0 5 0 0 0 0x500000e0da120921 0x4005000000000000 eslpt CLAIMED LUN_PATH LUN path for disk81 lunpath 64 0 0 0 7 0 0 0 5 0 0 0 0x500000e0da120921 0x4006000000000000 eslpt CLAIMED LUN_PATH LUN path for disk82 lunpath 60 0 0 0 7 0 0 0 5 0 0 0 0x500000e0da120921 0x4007000000000000 eslpt CLAIMED LUN_PATH LUN path for disk83 lunpath 45 0 0 0 8 0 0 0 5 0 0 0 0x2049000b5...

Страница 40: ...sport protocol fibre_channel State ACTIVE Last Open or Close state ACTIVE During the migration LUN PATH INFORMATION FOR LUN dev rdisk disk80 Total number of LUN paths 4 World Wide Identifier WWID 0x6000b5d0006a0000006a0ba0002a0000 LUN path lunpath44 Class lunpath Instance 44 Hardware path 0 0 0 7 0 0 0 5 0 0 0 0x2048000b5d6a0ba0 0x4004000000000000 SCSI transport protocol fibre_channel State ACTIVE...

Страница 41: ...SI transport protocol fibre_channel State FAILED Last Open or Close state ACTIVE LUN path lunpath59 Class lunpath Instance 59 Hardware path 0 0 0 7 0 0 0 5 0 0 0 0x500000e0da120921 0x4004000000000000 SCSI transport protocol fibre_channel State ACTIVE Last Open or Close state ACTIVE LUN path lunpath72 Class lunpath Instance 72 Hardware path 0 0 0 8 0 0 0 5 0 0 0 0x500000e0da120931 0x400400000000000...

Страница 42: ...s prepared with the utmost attention to detail However Fujitsu shall assume no responsibility for any operational problems as the result of errors omissions or the use of information in this manual Fujitsu assumes no liability for damages to third party copyrights or other rights arising from the use of any information in this manual The content of this manual may not be reproduced or distributed ...

Страница 43: ......

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