Sun StorEdge Network Data Replicator 3.0.1 Release Notes
Contents
1. s Guide Sun Gigabit Ethernet FC AL P Combination Adapter Installation Guide Sun Gigabit Ethernet S 2 0 Adapter Installation and User s Guide Sun Gigabit Ethernet P 2 0 Adapter Installation and User s Guide N A 806 7678 806 7514 806 7675 805 0331 805 6552 806 2385 805 2784 805 2785 Sun StorEdge Network Data Replicator 3 0 1 Release Notes 3 4 Application Title Part Number System administration Configuration Sun Enterprise 10000 InterDomain Networks User Guide Sun Cluster 3 0 U1 and Sun StorEdge 3 0 Software Integration Guide Sun StorEdge Network Data Replicator 3 0 System Administrator s Guide Sun StorEdge Instant Image 3 0 System Administrator s Guide TCP IP and Data Communications Administration Guide Sun StorEdge Network Data Replicator 3 0 Configuration Guide Sun Enterprise 10000 Inter Domain Network Configuration Guide 806 4131 816 1544 806 7512 806 7677 805 4003 806 7550 806 5230 Sun StorEdge Network Data Replicator 3 0 1 Release Notes December 2001 Documentation on CD The Sun SNDR Version 3 0 1 documentation is available on the Sun SNDR product CD in Adobe Acrobat PDF format m Sun StorEdge Network Data Replicator 3 0 System Administrator s Guide m Sun StorEdge Network Data Replicator 3 0 1 Installation Guide m Sun StorEdge Network Data Replicator 3 0 Configuration Guide m Sun Cluster 3 0 U1 and Sun StorEdge 3 0 Software Integration Gu2. SNDR software is supported on server hosts using the Solaris operating environment and any network interface card supported by Sun Hosts include but are not limited to e Sun Enterprise server models 2x0 through 4x0 e Sun Enterprise server models 3x00 through 10000 e Sun Fire server models 3800 4800 4810 and 6800 Disk Space The Sun SNDR software requires approximately 1 4 Mbytes The Sun StorEdge configuration location requires 4 5 Mbytes Supporting packages require approximately 3 Mbytes Supported The Sun SNDR software is storage hardware independent Attached Storage Supported Hardware and Software Ina Sun Cluster 3 0 Update 1 Environment If you are using the Sun StorEdge services software in a Sun Cluster 3 0 Update 1 environment see the Sun Cluster 3 0 U1 and Sun StorEdge Software 3 0 Integration Guide for more information Sun Cluster 3 0 Update 1 is also known as the Sun Cluster 3 0 07 01 release Note You cannot use the Sun StorEdge Fast Write Cache FWC product all versions including the SUNWnvm Version 3 0 software in any Sun Cluster environment because cached data is inaccessible from other machines in a cluster To compensate you can use a Sun caching array 8 Sun StorEdge Network Data Replicator 3 0 1 Release Notes December 2001 Product Notes This section describes the Sun SNDR 3 0 1 product notes including the following topics Which Version Do I Have on page 10 Vo
3. and puts the volumes into logging mode You issue the sndradm 1 command as follows m From the primary host if a synchronization is in progress a From the secondary host if the primary host or volume has failed m From either host if there is no replication occurring When you place the secondary host into logging mode the primary host continues in replication mode that is the primary host is not automatically placed into logging mode If you place the primary host into logging mode both the primary and the secondary hosts begin logging Assigning a New Scoreboard Bitmap to a Volume Set Note A bug about this errata has been filed 4527634 On page 40 of this guide the section named Assigning a New Scoreboard Bitmap to a Volume Set does not include the following information Note Before assigning a new bitmap to a volume set place the volume set into logging mode using the sndradm 1 command from the primary host machine usr opt SUNWesm sbin sndradm 1 set name where set name is the name of the Sun SNDR software volume set as assigned by the Sun SNDR software Also the syntax for the command syntax in this section is incorrect This section states that the g io groupname option for the sndradm R b pls command is valid it is not Incorrect m sndradm R b p s new bitmap name g io groupname C tag n config file SNDR set set name 24 Sun StorEdge Network Da
4. b Command After issuing a sndradm R b pls command that fails the Sun SNDR software writes an incomplete entry to the var opt SUNWesm ds log file This bug is related to 4523443 Bitmap Is Reconfigured Inconsistently on page 28 Workaround No workaround exists 4522559 Sun SNDR Volume Sets Do Not Enable in an IPv6 Only Environment If you have configured all hosts where the Sun SNDR software is to be used with the Internet Protocol version 6 IPv6 network interface only volumes sets will not be enabled with the sndradm e command Workaround Make sure that you have also configure an Internet Protocol version 4 IPv4 on each host The Sun StorEdge Network Data Replicator 3 0 1 Installation Guide describes this step 28 Sun StorEdge Network Data Replicator 3 0 1 Release Notes December 2001 4527634 Sun SNDR 3 0 System Administrator s Guide States that the Q io groupname is a Valid Option for the sndradm R b pls Command See Assigning a New Scoreboard Bitmap to a Volume Set on page 24 4527765 Sun SNDR 3 0 System Administrator s Guide Contains Incorrect Syntax for Enabling Volume Sets See Sun SNDR Software Enable Command sndradm e E on page 23 Sun StorEdge Network Data Replicator 3 0 1 Release Notes 29 30 Sun StorEdge Network Data Replicator 3 0 1 Release Notes December 2001
5. data services installation order see the Sun StorEdge Network Data Replicator 3 0 1 Installation Guide Install the Sun StorEdge core services software first To help ensure maximum data integrity operate the Sun SNDR Version 3 0 1 software with the Sun StorEdge Instant Image Version 3 0 1 software The Sun SNDR software and the Instant Image software integrate to help ensure that data consistency can be maintained during the Sun SNDR software resynchronization operations Before you start a resynchronization operation ensure that you have an appropriate Instant Image software copy of the Sun SNDR software target volume For more information about these products see the Sun SNDR and Instant Image documentation listed in Related Documentation on page 3 Rebooting Your Server Using the shutdown Command During the Sun StorEdge core and data services installation and upgrade processes the Sun SNDR and Instant Image 3 0 1 installation guides instruct you to shut down and restart your server Do not use the reboot command As described in the instructions always use the shutdown 1M command The shutdown command also ensures that any shutdown scripts in the etc init d directory are executed 18 Sun StorEdge Network Data Replicator 3 0 1 Release Notes December 2001 Upgrading the Solaris Operating Environment with the Sun SNDR Software Installed If you installed the Sun SNDR software in a Solaris 7 operating environment and no
6. on as the root user 2 Open the usr kernel drv nsctl conf file using a text editor such as vi 1 or ed 1 3 Search for the nsc _ max _ devices field 4 Edit the number in this field to increase your volume limit 5 Save and exit the file 6 Reboot your server using the shutdown command Bitmap Files Are Not Supported in Version 3 0 1 If you used bitmap files in the Sun SNDR Version 2 0 software you must convert them to volumes after you upgrade from Version 2 0 to Version 3 0 1 The Sun SNDR 3 0 1 software does not support bitmap files The Sun StorEdge Network Data Replicator 3 0 1 Installation Guide describes how to convert bitmap files to volumes 14 Sun StorEdge Network Data Replicator 3 0 1 Release Notes December 2001 Bitmap Size Requirements The bitmap size can be calculated using the following formula m 4 Kbytes per Gbyte of device storage space 1 Kbyte For example a 2 Gbyte data device requires a bitmap size of 9 Kbytes a 5 Gbyte data device requires a bitmap size of 21 Kybtes and so on You can create bitmaps that are larger than the calculated size About Replicating File Systems If a file system is replicated remember that the Sun SNDR software is not a file system replicator but a volume replicator When you replicate a Sun SNDR volume that contains a file system the secondary host volume gets an exact copy of the bits on the primary host volume including any file systems on that volume When
7. S amp SUN microsystems Sun StorEdge Network Data Replicator 3 0 1 Release Notes Sun Microsystems Inc 901 San Antonio Road Palo Alto CA 94303 4900 U S A 650 960 1300 Part No 806 7513 11 December 2001 Revision A Send comments about this document to docfeedback sun com Copyright 2001 Sun Microsystems Inc 901 San Antonio Road Palo Alto CA 94303 4900 U S A All rights reserved This product or document is distributed under licenses restricting its use copying distribution and decompilation No part of this product or document may be reproduced in any form by any means without prior written authorization of Sun and its licensors if any Third party software including font technology is copyrighted and licensed from Sun suppliers Parts of the product may be derived from Berkeley BSD systems licensed from the University of California UNIX is a registered trademark in the U S and other countries exclusively licensed through X Open Company Ltd Sun Sun Microsystems the Sun logo AnswerBook2 docs sun com Sun StorEdge SunATM Sun Enterprise Sun Fire and Solaris are trademarks registered trademarks or service marks of Sun Microsystems Inc in the U S and other countries All SPARC trademarks are used under license and are trademarks or registered trademarks of SPARC International Inc in the U S and other countries Products bearing SPARC trademarks are based upon an architecture developed by Sun Mi
8. StorEdge Network Data Replicator 3 0 1 Release Notes December 2001 Documentation Additions and Errata Note You can use the Sun StorEdge Network Data Replicator 3 0 System Administrator s Guide Sun Cluster 3 0 U1 and Sun StorEdge 3 0 Software Integration Guide and Sun StorEdge Network Data Replicator 3 0 Configuration Guide with the Sun SNDR Version 3 0 1 software This information in this section supplements or corrects the product documentation This section contains the following topics a Sun SNDR 3 0 System Administrator s Guide on page 21 Sun SNDR 3 0 System Administrator s Guide This section supplements the Sun StorEdge Network Data Replicator 3 0 System Administrator s Guide part number 806 7512 10 m Volume Size Requirements on page 22 a Using the Sun StorEdge Data Services in a Sun Cluster Environment on page 22 a Sun SNDR Software Enable Command sndradm e E on page 23 a Putting Sun SNDR Volume Sets into Logging Mode on page 24 m Assigning a New Scoreboard Bitmap to a Volume Set on page 24 a Moving a Volume Set to a Different I O Group on page 25 Sun StorEdge Network Data Replicator 3 0 1 Release Notes 21 22 Volume Size Requirements This guide includes a section titled Volume Size Requirements This section makes the following statement In fact no warning message is displayed when the secondary volume is larger than the primary volume Inco
9. When you perform a forward resynchronization you can synchronize one volume set or all volume sets Ensure that you issue a separate command for each set You can also update the primary volume using a specific secondary volume In a multihop set the secondary host volume of one volume set can be the primary host volume of another volume set Creating and Configuring Sun StorEdge Volume Sets Caution Only one system administrator or root user at a time is allowed to create and configure Sun StorEdge volume sets This restriction helps avoid corrupting the Sun StorEdge services configuration Two administrators should not be writing to the Sun StorEdge services configuration at the same time The operations that access the configuration include but are not limited to Creating and deleting volume sets Adding and removing volume sets from I O groups Assigning new bitmap volumes to a volume set Updating the disk device group or resource name Any operation that changes the Sun StorEdge services and related volume set configuration 12 Sun StorEdge Network Data Replicator 3 0 1 Release Notes December 2001 Using More Than 64 Sun SNDR Software Volume Sets Note After editing the usr kernel drv rdc conf file shut down and restart your server using the shutdown command If you configure more than 64 Sun SNDR software volume sets you must edit the rdc_max_sets field in the usr kernel drv rdc conf file on each mac
10. ces in the U S contact Sun at the following number 1 800 USA4SUN 1 800 872 4786 For installation services outside the U S contact your local sales or service representative For information about service sales consulting and support go to http www sun com service support contactsalesoffice html http www sun com service support sunsolve index html Sun StorEdge Network Data Replicator 3 0 1 Release Notes December 2001 Related Documentation Note You can use the Sun StorEdge Network Data Replicator 3 0 System Administrator s Guide Sun Cluster 3 0 U1 and Sun StorEdge 3 0 Software Integration Guide and Sun StorEdge Network Data Replicator 3 0 Configuration Guide with the Sun SNDR Version 3 0 1 software For late breaking news about this release go to the following web site http www sun com storage software For the latest version of released storage software documentation go to http www sun com products n solutions hardware docs Software Application Title Part Number man pages Release Installation and user sndradm 1M dscfg 1M ds log 4 4 scmadm 1M svadm 1M iiadm 1M shutdown 1M sndrd im sndrsyncd 1im rdc cf 4 Sun StorEdge Instant Image 3 0 1 Release Notes Sun StorEdge Network Data Replicator 3 0 1 Installation Guide Sun StorEdge Instant Image 3 0 1 Installation Guide SunATM 3 0 Installation and User s Guide Sun ATM 4 0 Installation and User
11. cribes the syntax and use of the Sun SNDR enable command sndradm e E incorrectly In the guide the enable syntax incorrectly shows that you can add a volume set to an I O group using the g io groupname option and to a disk device or resource group using the C tag option Incorrect a sndradm e g io groupname C tag n config file SNDR set a sndradm E g io groupname C tag n config file SNDR set When you enable a volume set and wish to add the volume set to an I O group or disk device or resource group use this syntax Correct m sndradm e n config file SNDR set a sndradm E n config file SNDR set Specify the I O group or disk device or resource group in the SNDR set definition phost pdev pbitmap shost sdev sbitmap ip sync async g io groupname C tag where g io groupname indicates the I O group name and C tag indicates the disk device or resource group name You can use the g io groupname and C tag options with other sndradm commands when you wish to restrict operations to only those previously enabled volume sets in the respective groups Sun StorEdge Network Data Replicator 3 0 1 Release Notes 23 Putting Sun SNDR Volume Sets into Logging Mode On page 27 this guide contains a section on page 27 named Which Host Do I Issue Commands From This section explains the Sun SNDR sndradm 1 logging command This command stops any replication
12. crosystems Inc The OPEN LOOK and Sun Graphical User Interface was developed by Sun Microsystems Inc for its users and licensees Sun acknowledges the pioneering efforts of Xerox in researching and developing the concept of visual or graphical user interfaces for the computer industry Sun holds a non exclusive license from Xerox to the Xerox Graphical User Interface which license also covers Sun s licensees who implement OPEN LOOK GUIs and otherwise comply with Sun s written license agreements Federal Acquisitions Commercial Software Government Users Subject to Standard License Terms and Conditions DOCUMENTATION IS PROVIDED AS IS AND ALL EXPRESS OR IMPLIED CONDITIONS REPRESENTATIONS AND WARRANTIES INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY FITNESS FOR A PARTICULAR PURPOSE OR NON INFRINGEMENT ARE DISCLAIMED EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD TO BE LEGALLY INVALID Copyright 2001 Sun Microsystems Inc 901 San Antonio Road Palo Alto CA 94303 4900 Etats Unis Tous droits r serv s Ce produit ou document est distribu avec des licences qui en restreignent l utilisation la copie la distribution et la d compilation Aucune partie de ce produit ou document ne peut tre reproduite sous aucune forme par quelque moyen que ce soit sans l autorisation pr alable et crite de Sun et de ses bailleurs de licence s il y en a Le logiciel d tenu par des tiers et qui comprend la technologie relati
13. dware and Software In a Nonclustered Environment TABLE 1 shows the supported software in a nonclustered environment If you have a SunSolve service subscription patches are available at http sunsolve sun com TABLE 2 shows the supported hardware in a nonclustered environment TABLE 1 Supported Software Noncluster Environments Operating Environment and Software Patches Required Solaris 2 6 05 98 Solaris 7 8 99 also known as Update 3 Solaris 7 11 99 Update 4 Solaris 8 Solaris 8 6 00 also known as Update 1 Solaris 8 10 00 Update 2 Solaris 8 01 01 Update 3 Solaris 8 04 01 Update 4 105181 28 kernel super patch 106639 06 rpcmod None None Sun StorEdge Version 3 0 1 software including the Sun StorEdge core services TCP IP network transport software such as SunATM or Gigabit Ethernet transports Sun StorEdge Instant Image software is an optional software component Install this package for additional point in time capability 111945 nn Storage Cache Manager 111946 nn Storage Volume Driver 111948 nn Sun SNDR software None 111945 nn Storage Cache Manager 111946 nn Storage Volume Driver 111947 nn Sun StorEdge Instant Image Sun StorEdge Network Data Replicator 3 0 1 Release Notes 7 TABLE2 Supported Hardware Noncluster Environments Hardware A CD ROM drive connected to the host server where the Sun SNDR software is to be installed The Sun
14. es Fails On the Secondary remote Host on page 27 m 4512334 The sndradm p Command Does Not Work for Non root Users on page 28 m 4523443 Bitmap Is Reconfigured Inconsistently on page 28 m 4523447 ds log Entry is Incomplete Following a Failed sndradm R b Command on page 28 m 4522559 Sun SNDR Volume Sets Do Not Enable in an IPv6 Only Environment on page 28 m 4527634 Sun SNDR 3 0 System Administrator s Guide States that the g io groupname is a Valid Option for the sndradm R b p s Command on page 29 m 4527765 Sun SNDR 3 0 System Administrator s Guide Contains Incorrect Syntax for Enabling Volume Sets on page 29 Sun StorEdge Network Data Replicator 3 0 1 Release Notes December 2001 4480728 System Panic Occurs When Manually Switching Over More Than 160 Sun SNDR Volume Sets If you use the scswitch 1M command to manually switch over more than 160 Sun SNDR volume sets while the volume sets are synchronizing a system panic might occur Workaround Before you try to manually switch over more than 160 Sun SNDR volumes sets place your Sun SNDR volume sets into logging mode Logging mode stops the Sun SNDR replication and starts scoreboard bitmap logging for the volume sets Check the status of your Sun SNDR volumes This optional step enables you to see the volume sets that are currently synchronizing usr opt SUNWscm sbin scmadm S Place all volume sets into loggin
15. g mode This step halts any synchronization operations and starts logging changes to volumes usr opt SUNWesm sbin sndradm 1 Check the status again to make sure the volume sets are in logging mode Manually switch over the volume sets using the scswitch command To resynchronize the volume sets use the sndradm mor sndradm m r commands 4509306 Bitmap Reconfiguration Sometimes Fails On the Secondary remote Host If you attempt to reconfigure or change a volume set s bitmap volume using the sndradm R b pls command it sometimes fails on the secondary or remote host See also 4523443 Bitmap Is Reconfigured Inconsistently on page 28 Workaround No workaround exists Sun StorEdge Network Data Replicator 3 0 1 Release Notes 27 4512334 The sndradm p Command Does Not Work for Non root Users You must be superuser root to use Sun SNDR 3 0 1 commands Workaround No workaround exists 4523443 Bitmap Is Reconfigured Inconsistently If you attempt to reconfigure or change a volume set s bitmap volume using the sndradm R b pls command when the volume set is in replicating mode an error message displays When reconfiguring a bitmap volume make sure the volume set is in logging mode See Putting Sun SNDR Volume Sets into Logging Mode on page 24 and Assigning a New Scoreboard Bitmap to a Volume Set on page 24 4523447 ds log Entry is Incomplete Following a Failed sndradm R
16. he pkginfo command displays the above information you have the Sun SNDR 3 0 1 software Other patch information might display but as long as the two patch numbers are shown you have version 3 0 1 This step is more precise than the sndradm v command which displays as follows sndradm v SNDR version 3 xx where xx is a software build number Sun StorEdge Network Data Replicator 3 0 1 Release Notes December 2001 Volume Size Requirements for the Sun StorEdge Configuration Sun StorEdge configuration e Ensure that you have at least 4 5 Mbytes of disk space for the location Sun StorEdge configuration used by the Sun StorEdge data services e The configuration location must be a file name or block device for the single configuration location used by all Sun StorEdge data service software you plan to install For example dev ask cit1d0s7 or config e If you select a file name its file system must be the root or usr file system If you select a volume manager controlled volume it must be available when the Sun StorEdge data services software is started Primary and secondary e The size of the secondary site volume must be equal to or volumes greater than the corresponding primary site volume If you enable a volume set where the secondary volume is smaller than the primary volume the Sun SNDR command sndradm fails with an error Raw Partitions and Volumes Used with the Sun SNDR Software When selec
17. hine running the Sun SNDR software The default number of configured volume sets is 64 For example to use 128 sets change the file as follows note the semicolon character at the end of the rdc_max_sets field rdc_max_sets Configure the maximum number of RDC sets that can be enabled on this host The actual maximum number of sets that can be enabled will be the minimum of this value and nsc_max_devices see nsctl conf at the time the rdc kernel module is loaded rdc_max_sets 128 Sun StorEdge Network Data Replicator 3 0 1 Release Notes 13 Increasing the Storage Volume Limit The Sun StorEdge Version 3 0 data services software has a default limit of 1024 storage volumes for use with the software For example if you use Instant Image only you can have 341 volume sets each consisting of master shadow and bitmap volumes Also If you use Sun SNDR and Instant Image Version 3 0 software packages together the number of volume sets are divided between the two packages The limit is divided among the number of Version 3 0 data services you have installed The following procedure describes how to increase this default limit v To Increase the Storage Volume Limit have to adjust the nsc_global_pages value in the usr kernel drv mc_rms conf file Only an experienced system administrator should make these changes A Caution Increasing this limit causes more memory to be consumed You might 1 Log
18. ide To access this documentation Log on as root Insert the Sun SNDR Version 3 0 1 software CD into the CD ROM drive that is connected to your system Start the Volume Manager daemon vold 1M if needed and change to the Docs directory etc init d volmgt start cd cdrom cdrom0 Docs From this location you can view the documentation using the free Adobe Acrobat Reader software This CD also contains the Adobe Acrobat Reader software in the Acro_Read directory Install this software to your local machine if you do not currently have the Adobe Reader software installed It is also available from Adobe Systems at http www adobe com Sun StorEdge Network Data Replicator 3 0 1 Release Notes 5 Reading the Sun SNDR and Related Man Pages Note The Sun StorEdge Network Data Replicator 3 0 1 Installation Guide describes how to set your environment variables to include the Sun SNDR man page paths in your shell To read the Sun SNDR man pages type man M usr opt SUNWesm SUNWrdc man manpage where manpage is one of the following manpage sndradm 1m sndrd im sndrstat im sndrsyncd 1im rdc cf 4 To read related manpages type man M usr opt SUNWesm SUNWscm man manpage where manpage is one of the following manpage ds log 4 dscfg ilm scmadm 1m 6 Sun StorEdge Network Data Replicator 3 0 1 Release Notes December 2001 Supported Har
19. lume Size Requirements for the Sun StorEdge Configuration on page 11 Raw Partitions and Volumes Used with the Sun SNDR Software on page 11 Secondary Volume Mirroring on page 12 Creating and Configuring Sun StorEdge Volume Sets on page 12 Using More Than 64 Sun SNDR Software Volume Sets on page 13 Increasing the Storage Volume Limit on page 14 Bitmap Files Are Not Supported in Version 3 0 1 on page 14 Bitmap Size Requirements on page 15 About Replicating File Systems on page 15 Log File on page 15 Differences Between Versions 2 0 and 3 0 1 on page 16 The Sun StorEdge 3 0 1 Services Software is Not Compatible with Previous Versions on page 17 Installing the Sun StorEdge Instant Image Software Version 3 0 1 with the Sun SNDR Software Version 3 0 1 on page 18 Rebooting Your Server Using the shutdown Command on page 18 Upgrading the Solaris Operating Environment with the Sun SNDR Software Installed on page 19 Sun StorEdge Network Data Replicator 3 0 1 Release Notes 9 10 Which Version Do I Have To find out which version of the Sun SNDR software you have installed perform the following step Use the pkginfo 1M command by typing pkginfo 1 SUNWrdcu grep VERSION VERSION 3 0 28 REV 5 8 0 2001 06 21 pkginfo 1 SUNWrdcu grep PATCHLIST PATCHLIST 111948 nn 112046 nn where mn is the revision level of the patch If t
20. oftware on a primary host and attempt to enable volumes on a secondary host running the Sun SNDR 3 0 1 software This configuration is not supported Upgrade all hosts to the Version 3 0 1 software according to the information described in the Sun StorEdge Network Data Replicator 3 0 1 Installation Guide The Sun StorEdge 3 0 1 services software is binary incompatible with the Sun StorEdge software Versions 1 x 2 0 and 2 0 1 When you plan to install or upgrade to a Version 3 0 1 service you must remove all Version 1 X 2 0 and 2 0 1 services first If your system includes Versions 1 x and 2 0 of the Sun StorEdge Instant Image software including Instant Image 2 0 1 with the Sun target emulation utility version 1 2 and the Sun SNDR software you must remove them before installing the Version 3 0 1 services For example you cannot use the Sun StorEdge Instant Image software Version 2 0 with the Sun SNDR software Version 3 0 1 Sun StorEdge Network Data Replicator 3 0 1 Release Notes 17 However the Sun StorEdge core services Version 3 0 1 CD contains the Sun StorEdge SUNWnvm Version 3 0 1 software package This package is intended for those users whose systems include Version 2 0 of the Sun FWC hardware and software product and who wish to continue using the Sun FWC product Installing the Sun StorEdge Instant Image Software Version 3 0 1 with the Sun SNDR Software Version 3 0 1 Note For information on the Sun StorEdge core and
21. replicating the primary host file system is mounted Do not mount the file system on the secondary host until you are ready to fail over to that site Changes appear on a replicated file system volume only after a remount Also a file system on secondary host can be mounted only in read only mode while the Sun SNDR volume set continues to replicate Once secondary host volumes are placed into logging mode the file system can be mounted for read write operations Log File The var opt SUNWesm ds 1log file contains operation log messages for the Sun SNDR commands Sun StorEdge Network Data Replicator 3 0 1 Release Notes 15 Differences Between Versions 2 0 and 3 0 1 TABLE 3 briefly describes differences between the Sun SNDR software Versions 2 0 and 3 0 1 See the Sun StorEdge Network Data Replicator 3 0 System Administrator s Guide for more information TABLE3 Version Differences rdcadm command line The Version 3 0 1 sndradm command is linked to the rdcadm command and is interface generally compatible with Sun SNDR software Version 2 0 rdcadm command Like the Sun SNDR Version 2 0 software Version 3 0 1 does not contain a graphical user interface GUI Bitmap Files and volumes If you used files as bitmaps in the Sun SNDR Version 2 0 software you must convert them to volumes after you upgrade from Version 2 0 to Version 3 0 1 The Sun SNDR software Version 3 0 1 software does not support bitmap files The Sun StorEdge Network Da
22. rment aux licences crites de Sun LA DOCUMENTATION EST FOURNIE EN L ETAT ET TOUTES AUTRES CONDITIONS DECLARATIONS ET GARANTIES EXPRESSES OU TACITES SONT FORMELLEMENT EXCLUES DANS LA MESURE AUTORISEE PAR LA LOI APPLICABLE Y COMPRIS NOTAMMENT TOUTE GARANTIE IMPLICITE RELATIVE A LA QUALITE MARCHANDE A L APTITUDE A UNE UTILISATION PARTICULIERE OU A L ABSENCE DE CONTREFA ON Lo cok Ca Adobe PostScript Contents Sun StorEdge Network Data Replicator 3 0 1 Release Notes 1 Installation and Service Information 2 Related Documentation 3 Documentation on CD 5 Reading the Sun SNDR and Related Man Pages 6 Supported Hardware and Software In a Nonclustered Environment 7 Supported Hardware and Software In a Sun Cluster 3 0 Update 1 Environment 8 Product Notes 9 Which Version Do I Have 10 Volume Size Requirements for the Sun StorEdge Configuration 11 Raw Partitions and Volumes Used with the Sun SNDR Software 11 Secondary Volume Mirroring 12 Creating and Configuring Sun StorEdge Volume Sets 12 Using More Than 64 Sun SNDR Software Volume Sets 13 Increasing the Storage Volume Limit 14 v To Increase the Storage Volume Limit 14 Bitmap Files Are Not Supported in Version 3 0 1 14 Bitmap Size Requirements 15 About Replicating File Systems 15 Log File 15 Differences Between Versions 2 0 and 3 0 1 16 The Sun StorEdge 3 0 1 Services Software is Not Compatible with Previous Versions 17 Installing the Sun StorEdge Instant Image Software Ve
23. rrect The primary and secondary volumes must be the same size If you initiate a resynchronization on a Sun SNDR software volume set where the secondary is larger than the primary a warning message appears but the initiation is allowed to continue If you initiate a resynchronization on a Sun SNDR software volume set where the secondary volume is smaller than the primary the Sun SNDR software fails with an error Correct The size of the secondary site volume must be equal to or greater than the corresponding primary site volume If you initiate a resynchronization on a Sun SNDR software volume set where the secondary volume is smaller than the primary the Sun SNDR software fails with an error Using the Sun StorEdge Data Services in a Sun Cluster Environment This guide includes a section titled Using the Sun StorEdge Data Services in a Sun Cluster Environment This section describes the Solaris 7 operating environment patch 109206 06 for use with Sun Cluster 2 2 and the Sun SNDR Version 3 0 data services software The Version 3 0 and 3 0 1 data services are not supported in a Sun Cluster 2 2 Solaris 7 operating environment See the Sun Cluster 3 0 and Sun StorEdge 3 0 Software Integration Guide for more information Sun StorEdge Network Data Replicator 3 0 1 Release Notes December 2001 Sun SNDR Software Enable Command sndradm e Cd wn Note A bug about this errata has been filed 4527765 This guide des
24. rsion 3 0 1 with the Sun SNDR Software Version 3 0 1 18 Rebooting Your Server Using the shutdown Command 18 Upgrading the Solaris Operating Environment with the Sun SNDR Software Installed 19 v To Remove and Reinstall the Sun SNDR Software 19 Documentation Additions and Errata 21 Sun SNDR 3 0 System Administrator s Guide 21 Known Bugs 26 iv Sun StorEdge Network Data Replicator 3 0 1 Release Notes December 2001 Sun StorEdge Network Data Replicator 3 0 1 Release Notes This document contains important last minute product information about the Sun StorEdge Network Data Replicator Sun SNDR software This document describes the following topics Installation and Service Information on page 2 Related Documentation on page 3 Reading the Sun SNDR and Related Man Pages on page 6 Supported Hardware and Software In a Nonclustered Environment on page 7 Supported Hardware and Software In a Sun Cluster 3 0 Update 1 Environment on page 8 Product Notes on page 9 Documentation Additions and Errata on page 21 Known Bugs on page 26 Note If have already installed the Sun SNDR 3 0 software with the patches listed in TABLE 1 you do not need to install the version 3 0 1 software 2 Installation and Service Information If you are a Sun support or service provider for product information go to http webhome ebay networkstorage products For installation servi
25. ta Replicator 3 0 1 Installation Guide describes how to convert bitmap files to volumes Configuration files Version 2 0 required you to create an rdc cf configuration file containing the Sun SNDR volume sets and to place these volumes in the Storage Volume manager sv cf configuration file Version 3 0 1 does not when you enable a volume set the Sun SNDR software automatically includes the volume set in the data service configuration used and accessible by all installed Sun StorEdge data services You can continue to use the Version 2 0 configuration files using the sndradm f config file command See the Sun StorEdge Network Data Replicator 3 0 1 Installation Guide for details Ability to control groups of Version 3 0 1 enables you to perform functions on more than one volume set at a volume sets Version 3 0 1 time by grouping certain volume sets You can assign specific volume sets to a group to perform replication on these volume sets and not on others you have configured One to many and multihop One to many replicate data from one primary volume to many secondary sets Version 3 0 1 volumes residing on one or more hosts When you perform a forward resynchronization you can synchronize one volume set or all volume sets Issue a separate command for each set You can also update the primary volume using a specific secondary volume Multihop replicate data from one primary volume to a secondary volume the secondary volume then replica
26. ta Replicator 3 0 1 Release Notes December 2001 When you want to change a volume set s bitmap volume use this syntax Correct sndradm R b p s new bitmap name C tag n config file SNDR set set name Moving a Volume Set to a Different I O Group On page 44 of this guide the second tip under the Moving a Volume Set to a Different 1 0 Group is incorrect Incorrect Tip To remove a volume set from an I O group use double quotes to specify a null group used with the g command option as follows sndradm R g SNDR set set name To remove all volume sets from an I O group sndradm R g g io groupname To remove selected sets from an I O group enter the volume set information in a file and use the f config file option Correct Tip To remove a volume set from an I O group use double quotes to specify a null group as follows sndradm R g SNDR set set name To remove all volume sets from an I O group sndradm R g g io groupname To remove selected sets from an I O group enter the volume set information in a file and use the f config file option Sun StorEdge Network Data Replicator 3 0 1 Release Notes 25 26 Known Bugs This section provides workarounds to or information about the following known bugs m 4480728 System Panic Occurs When Manually Switching Over More Than 160 Sun SNDR Volume Sets on page 27 m 4509306 Bitmap Reconfiguration Sometim
27. tes the data again to another secondary volume and so on in a daisy chain fashion 16 Sun StorEdge Network Data Replicator 3 0 1 Release Notes December 2001 TABLE3 Version Differences Continued Logging Mode Security and Internet Protocols Version 3 0 1 Cluster Capability In Version 2 0 when you put a volume into logging mode the volumes in the volume set entered logging mode and stopped any replication operations In Version 3 0 1 the other volume in the volume set remains in replication mode In Version 3 0 1 if you put a volume that is part of an I O group into logging mode all volumes in the I O group stop replicating and are put into logging mode Version 3 0 1 operates in the Sun Solaris 7 and 8 operating environments which support Internet Security Protocol IPsec The Solaris 8 operating environment also supports Internet Protocol Version 6 IPv6 The Solaris 7 operating environment does not support IPv 6 Version 3 0 1 does not require the use of an rhosts file You place the hosts to be used in the etc hosts file of each host running the Sun SNDR Version 3 0 1 software in your configuration See the Sun Cluster 3 0 U1 and Sun StorEdge 3 0 Software Integration Guide The Sun StorEdge 3 0 1 Services Software is Not Compatible with Previous Versions Caution Do not attempt to mix Sun SNDR software versions on primary and secondary hosts For example do not run the Sun SNDR 2 0 s
28. ting a volume to be used in a Sun SNDR software volume set including the configuration location ensure that volume does not contain disk label private areas for example slice 2 on a Solaris operating environment formatted volume The disk label region is contained in the first sectors of a disk The safest method is to ensure that cylinder 0 is not part of any logical volume that is replicated except for volumes under Veritas Volume Manager control where cylinder 0 can be part of a logical volume that is replicated Caution When the volume to be used in a Sun SNDR software volume set is a raw partition the partition must not include the cylinder that contains the label for the disks On Sun disks this is cylinder 0 Sun StorEdge Network Data Replicator 3 0 1 Release Notes 11 Secondary Volume Mirroring RAID levels The secondary volume can be any RAID level It does not have to be the same the RAID level as the primary volume One to many and multihop sets The Sun SNDR software enables you to create one to many and multihop volume sets See the Sun StorEdge Network Data Replicator 3 0 System Administrator s Guide for more information In a one to many volume set you can replicate data from one primary volume to many secondary volumes residing on one or more hosts One primary volume and each secondary host volume with related bitmap volumes are a single volume set each volume requires its own unique bitmap volume
29. ve aux polices de caract res est prot g par un copyright et licenci par des fournisseurs de Sun Des parties de ce produit pourront tre d riv es des syst mes Berkeley BSD licenci s par l Universit de Californie UNIX est une marque d pos e aux Etats Unis et dans d autres pays et licenci e exclusivement par X Open Company Ltd Sun Sun Microsystems the Sun logo AnswerBook2 docs sun com Sun StorEdge Sun ATM Sun Enterprise Sun Fire et Solaris sont des marques de fabrique ou des marques d pos es ou marques de service de Sun Microsystems Inc aux Etats Unis et dans d autres pays Toutes les marques SPARC sont utilis es sous licence et sont des marques de fabrique ou des marques d pos es de SPARC International Inc aux Etats Unis et dans d autres pays Les produits portant les marques SPARC sont bas s sur une architecture d velopp e par Sun Microsystems Inc L interface d utilisation graphique OPEN LOOK et Sun a t d velopp e par Sun Microsystems Inc pour ses utilisateurs et licenci s Sun reconna t les efforts de pionniers de Xerox pour la recherche et le d veloppement du concept des interfaces d utilisation visuelle ou graphique pour l industrie de l informatique Sun d tient une licence non exclusive de Xerox sur l interface d utilisation graphique Xerox cette licence couvrant galement les licenci s de Sun qui mettent en place l interface d utilisation graphique OPEN LOOK et qui en outre se confo
30. w wish to upgrade to the Solaris 8 operating environment remove and reinstall the Sun SNDR software The following text describes this procedure Note Perform this procedure on each machine where the Sun SNDR software is installed and you are also upgrading the operating environment To Remove and Reinstall the Sun SNDR Software Log on as the root user Optional Back up your Sun StorEdge data services configuration by writing it to an ASCII file This step is optional When you remove the Sun SNDR packages your configuration information is preserved usr opt SUNWscm sbin dscfg 1 gt ASCII output file Remove the Sun SNDR software packages pkgrm SUNWrdcu SUNWrdcr Shut down and restart your server shutdown y i 6 g 0 Upgrade your operating environment to Solaris 8 Log on again as the root user Start the Volume Manager daemon vold 1M if needed etc init d volmgt start Sun StorEdge Network Data Replicator 3 0 1 Release Notes 19 8 Insert the Sun SNDR CD and install the Sun SNDR software a To install Sun SNDR software using the installation script type cd cdrom cdrom0 install_sndr The package installation starts 9 Remove the Sun SNDR software CD from the CD ROM drive cd eject cdrom 10 Shutdown and restart your server as follows etc shutdown y g 0 i 6 20 Sun
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