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3-8Sun MediaCenter Server Administrator’s Guide • December 1997

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Contents

Sun MediaCenter Server Administrator’s Guide ReleaseA Sun Microsystems, Inc. Business 901 San Antonio Road Palo Alto, CA 94303 USA 415 960-1300 fax 4151997 Sun Microsystems, Inc. All rights reserved 2. Preparing and Loading Content Contents1. Introduction iv Sun MediaCenter Server Administrator’s Guide December 4. Moving Content3. Monitoring the Server 5. Sun MediaCenter Server Utilities 6. Sun MediaCenter Server FTP Daemon8.2.1 mfs df 8.2.2 mfs diskusg 8.2.3 mfs repair 8.2.4 mkmfs vi Sun MediaCenter Server Administrator’s Guide December9. Access Control Lists 10. TroubleshootingA. Setting up the SNMP Agent B. Creating a Content Package B-1viii Sun MediaCenter Server Administrator’s Guide December Glossary Glossary-1 Index Index-1Preface Who Should Use This BookHow This Book Is Organized The Sun MediaCenter Documentation Suitex Sun MediaCenter Server Administrator’s Guide December What Typographic Changes Mean TABLE P-1 Typographic ConventionsShell Prompts in Command Examples xii Sun MediaCenter Server Administrator’s Guide DecemberTABLE P-2 Shell Prompts ShellIntroduction 1.1 Introduction1.2 Sun MediaCenter Hardware Control Content From tape, network-accessible ﬁle, or live source Sun MediaCenter ServerFast Ethernet or ATM Fast/Wide or Ultra SCSI Media File System Files1.3 Sun MediaCenter Software FIGURE 1-2 Sun MediaCenter Software ArchitectureGuaranteed stream delivery rate Recovery from single-disk failures1.3.1 Media File System MFS Independent streamsHigh-resolution rate control Random accessHot swappability Efﬁcient use of disk bandwidth1.3.2 Media Stream Manager Media File System Layout Manager Scheduler Bit Pump BuffersDisk Driver Output Driver1.3.3 Content Manager 1.4 Video Output Interfaces1.3.4 Web-based Tools MediaCenter Server Programmer’s Guide1.4.2 LAN 1.4.1 ATMFIGURE 1-4 Sun MediaCenter Servers in ATM Environment 1.5 Content Preparation and Loading FIGURE 1-5 Sun MediaCenter Servers in LAN environment1.6 Server Management 1.7 Push Model1.8 Design Beneﬁts 1-12 Sun MediaCenter Server Administrator’s Guide DecemberPreparing and Loading Content 2.1 General MPEG Encoding Requirements2.2 MPEG Encoding Requirements for Trick Play 2.3 Splice Points 2.3.1 Packet Boundary2.3.3 payloadunitstartindicator 2.3.5 randomaccessindicator2.3.2 closedgop 2.3.4 adaptationﬁeldcontrol2.4 Content Loading To copy to or extract from a tape device, use smctar 2.5 References 2-8 Sun MediaCenter Server Administrator’s Guide December Monitoring the Server 3.1 Overview3.2 Using the WebAdmin Tool 3.2.1 Invoking the ToolFIGURE 3-1 Sun MediaCenter Page Chapter 3 Monitoring the ServerOnce the applet loads, the Resource Utilization page is displayed 3-4 Sun MediaCenter Server Administrator’s Guide DecemberFIGURE 3-2 Resource Utilization Page 3.3 Resource Utilization 3.2.2 Common Page Elements3.4 Streaming Videos TroubleshootingVideos being copied Disk CapacityFIGURE 3-3 Streaming Videos Page 3-8 Sun MediaCenter Server Administrator’s Guide December the title being viewedspeed Fast-Forward, Slow Motion, Stopped, Playing, Reverse FIGURE 3-4 Streaming Videos Page with Stream Detail3.5 Copy Sessions title of the content being transferred FIGURE 3-6 Session Information Page The Session Information page is shown belowChapter 3 Monitoring the Server 3.6 Disk Capacity FIGURE 3-7 Disk Capacity Page The Disk Info page is shown below 3.7 Troubleshooting The bottom portion of the page shows any late events or disk errorsThe Troubleshooting page is shown below Chapter 3 Monitoring the ServerThe Troubleshooting page contains the following links 3.7.1 Disk Health This page shows the status of disks in the MFSThe Disk Health page is shown below Chapter 3 Monitoring the Server3.7.2 Console Log FIGURE 3-11 Console Log Page Chapter 3 Monitoring the Server3-20 Sun MediaCenter Server Administrator’s Guide December 3.7.3 Scheduler and BitpumpThe Bitpump page is shown below TABLE 3-1 describes the ﬁelds in this page TABLE 3-1 Scheduler and Bitpump StatisticsTABLE 3-1 Scheduler and Bitpump Statistics Continued bitPump bitPumpStreamsCurrent number of bit pump streams bitPumpBandwidth3-24 Sun MediaCenter Server Administrator’s Guide December Moving Content 4.1 Overview4.2 Using CmTool 4.2.1 Invoking the ToolChapter 4 Moving Content FIGURE 4-1 Sun MediaCenter PageFIGURE 4-2 Table of Contents Page 4-4 Sun MediaCenter Server Administrator’s Guide December4.3 Loading Content 4.2.2 Common Page ElementsFIGURE 4-3 Server Login Page Upon successful login, the Load Content page is displayed4-6 Sun MediaCenter Server Administrator’s Guide December FIGURE 4-4 Load Content Page FIGURE 4-5 Content on Remote System 4-8 Sun MediaCenter Server Administrator’s Guide DecemberChapter 4 Moving Content FIGURE 4-6 Specifying a Local Title4-10 Sun MediaCenter Server Administrator’s Guide December FIGURE 4-7 Copy ConﬁrmationFIGURE 4-8 Session Information FIGURE 4-9 Table of Contents Page 4.4 Table of Contents Page4-12 Sun MediaCenter Server Administrator’s Guide December 4.4.1 View Menu FIGURE 4-10 Display Attributes Dialog BoxFIGURE 4-11 Sort Dialog Box 4-14 Sun MediaCenter Server Administrator’s Guide DecemberFIGURE 4-12 Filter Dialog Box 4.4.2 Selected Menu FIGURE 4-13 Title Information Page4-16 Sun MediaCenter Server Administrator’s Guide December 5.1 Setting a Title Access Control List Sun MediaCenter Server UtilitiesTo extend access for a title that you own, use the smcsettacl command where username is a Solaris login name title 5.2 The smccopy Utilityhostnametitle ﬁlename hostnameﬁlenamer rate s speedt type The following are examples of smccopy useThe following command copies a ﬁle between two local ﬁlesystems 5.3.1 Syntax and Options 5.3 The smctar Utilityb blknum 5.3.2 Content Loading 5.3.3 Copying Content FIGURE 5-1 Loading Content with smctarSun MediaCenter MFS Titletar Device or File Optional Sun MediaCenter Title MFS5.3.4 Remote Copying and Extraction 5.3.5 Examplesserver# tar cf - your title.TOC your content.mpg smctar xf remotehost# tar cf - your title.TOC your content.mpg smctar xf \server# smctar xf /dev/rmt/0 smcserverbambi remotehost# smctar cf /dev/rmt/0 smcserverbambiAn alternative to the preceding commands is #!/bin/sh # smcbackup Script to archive multiple SMC titles to tape 5-16 Sun MediaCenter Server Administrator’s Guide December 5.4 The smcls Utility Display the format of this title Display the time the title was last modiﬁed client% smcls -lt 5-20 Sun MediaCenter Server Administrator’s Guide Decembersmcls my-server”a-z*” smcls -lrtB 5.5 The smcrm Utilityserver% smcrm SUNWbambi SGIquovadis 5-22 Sun MediaCenter Server Administrator’s Guide December Sun MediaCenter Server FTP Daemon 6-2 Sun MediaCenter Server Administrator’s Guide December FIGURE 6-1 Sun MediaCenter FTP FunctionsStandard Daemon6.1 Keyword for Video-File Functions 6.2 Video-File Attributes 6.3 Video-File Commands delete dir get ls mget mls mput put renameftp dir smctitle=\ 6-6 Sun MediaCenter Server Administrator’s Guide Decemberftp dir smctitle=Bat\ list continues to conclusion 6.3.1 Listing Fileslist continues to conclusion 6-8 Sun MediaCenter Server Administrator’s Guide December 6.3.2 Moving Files 6.3.2.1 Moving Single Titles Directions of put/ get CommandsPage 6.3.2.2 Moving Multiple Titles 6.3.3 Renaming Files 6.4 Loading Content with ftp 6.3.4 Deleting Files331 Password required for clinton. Password encodingmachine% ftp smcserverone Connected to smcserverone230 User clinton logged in. ftp lcd /home/encode ftp bin 200 Type set to6-16 Sun MediaCenter Server Administrator’s Guide December Server Output Data Format 7.1 IntroductionContent 7.2 ATM Encapsulation7.2.1 MPEG-2 Transport Stream Packet Encapsulation Sun MediaCenter Server7.2.2 MPEG-2 Program Stream Packet Encapsulation 7.2.3 MPEG-1 System Stream Packet Encapsulation7.2.4 Thomson Electronics Packet Encapsulation 7.2.5 MPEG-2 Encapsulation over Classical IP over AAL57.3.1 MPEG over AAL5 7.3 ATM Addressing7.3.2 MPEG-2 over Classical IP over AAL5 7.4 Fast Ethernet Encapsulation host=IP hostname,udpport=UDPport num7.4.1 MPEG-2 Transport Stream Packet Encapsulation FIGURE 7-2 LAN/Enterprise Scenario7.5 Fast Ethernet Addressing 7.4.2 MPEG-2 Program Stream Packet Encapsulation7.4.3 MPEG-1 System Stream Packet Encapsulation 7.4.4 Thomson Electronics Encapsulation7.6 Specifying Encapsulation TABLE 7-1 Value of encap Field in MsmConnect7.7 Differences Among Different Types of Links 7.8 References7-10 Sun MediaCenter Server Administrator’s Guide December Administering MFS Disks 8.1 Monitoring MFS Disks8.2 MFS Utilities 8.2.1 mfs dfmfs df usage is as follows 8.2.2 mfs diskusg 8.2.3 mfs repair d device mfs repair usage is as followsTo ﬁnd out which MFS disk has failed, you enter 8.2.4 mkmfs Drive name /dev/rdsk/c1t1d0s2 Drive name /dev/rdsk/c1t2d0s2 8.3 Replacing a Failed Disk 8-10 Sun MediaCenter Server Administrator’s Guide Decemberserver# mfs repair -p -d /dev/rdsk/c1t4d0s2 server# mfs repair -r -d /dev/rdsk/c1t4d0s2server# mfs repair -rp -d /dev/rdsk/c1t4d0s2 Note -Two overlapping disk failures result in a system panic Access Control Lists 9.1 ACL Files9.2 Permissions 9.3 Server ACLuserpermission nobodypermission9.4 Player ACL 9.5 Title ACL 9.6 Session ACLA session ACL has a single type of permission 9-6 Sun MediaCenter Server Administrator’s Guide December 10.1 Symptoms and Possible Solutions/ Workarounds TroubleshootingServer watchdog resets on start of video stream playback No video displays on client Underperforming stream output10-2 Sun MediaCenter Server Administrator’s Guide December Poor video quality Corrupt disk labelsKernel panic with SAHI queue threshold messages Disk failure10.2.1 Server Console Messages 10.2 Error MessagesUnable to create title on the MFS 10.2.2 MFS Error Messages WARNING stream id 107 ba@426,3,80@ xmit error Q sizeNOTICE ba0 qsize OK NOTICE ba3 qsize 9 above hiwat10-6 Sun MediaCenter Server Administrator’s Guide December Setting up the SNMP Agent A.1 The Sun MediaCenter Server MIB TABLE A-1 Sun MediaCenter Server MIB DeﬁnitionsAppendix A Setting up the SNMP Agent A-3 diskErrordiskErrorTable bitPumpA-4 Sun MediaCenter Server Administrator’s Guide December diskTablefailure onlineAppendix A Setting up the SNMP Agent A-5 sysZonesPerDisksysTimePeriodLength sysNumberOfBuffersA.2 Enabling Management by Solstice Domain Manager 1. Become root5. Run $SNMHOME/bin/mib2schema smsvod.mib This command creates smsvod.mib.schema and smsvod.mib.oid4. Copy smsvod.mib to $SNMHOME/agents Under “instance elementCommand”6. Run buildoid with no arguments A.3 Enabling Trap Handling The Sun MediaCenter software ensures delivery of media streams at the same rate at which they were recorded. The bit pump’s missing of a deadline indicates that the machine was, at least momentarily, unable to keep up with the rate of a title. This indicates a resource conﬂict on the server Creating a Content Package B.1 Content Package B.2 The TOC File A TOC ﬁle is described with the following structures B.2.1 ContentObjects B.2.1.1 titleB.2.1.2 version B.2.1.3 formatB.2.2 BitStreamObjects B.2.1.4 descriptionB.2.2.1 description B.2.2.2 speedB.2.3 DataFileObjects B.2.2.3 bitrateB.2.2.4 indexﬁle B.2.2.5 indexsizeB.2.3.2 ﬁlepath B.3 Simplest Case TOC FileB.2.3.3 ﬁlesize B.4 TOC File for Large Files titleversion formatB.5 Index File Requirements B.5.1 Normal Play Time B.5.2 File Offset B.6 Tape Storage FormatB.6.1 Tar Format Appendix B Creating a Content Package B-13 FIGURE B-2 Tape Storage FormatB.7 Example B.6.2 TapesCODE EXAMPLE B-1 Example Content Package Appendix B Creating a Content Package B-15B-16 Sun MediaCenter Server Administrator’s Guide December For a ﬁle bambi.1x index ﬁle for normal-speed play B.8 References Appendix B Creating a Content Package B-19 B-20 Sun MediaCenter Server Administrator’s Guide December Glossary Glossary-1Media Stream Manager Table of Contents Glossary-3Glossary-4 Sun MediaCenter Server Administrator’s Guide December Index Page Page Page Page Index-6 Sun MediaCenter Server Administrator’s Guide December