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6 July 2004

M-Series Service Manual

System description

System description

The M-Series iVDR is a standard PCI bus-based Windows computer with extensive
enhancements to provide the video disk recorder functionality. This section explains
the major architectural blocks.

Real Time
Processor

Board

AGP
Board

ATX Motherboard

Codec Board

XLR
Board

RS422
Boards

Power Supply

Fan Module

VAR

JOG

SHTL

VGA Monitor

Mouse

Keyboard

Front Panel

System
Drive (C:)

Ethernet Port

iVDR Inputs and Outputs:

Audio, Video, Timecode, Reference, Monitor, GPI

Remote

Control

Devices

Floppy
Drive

CD-RW
Drive

Media
Drives (V:)

SCSI

Application
System

System
Resources

Real
Time
System

PCI Bus

AGP

Bus

PCI
Bus

Summary of Contents for M-Series

Page 1: ...M Series INTELLIGENT VIDEO DIGITAL RECORDER Service Manual 071 8229 01 JULY 6 2004 the most watched worldwide ...

Page 2: ...roprietary rights may be found at www thomsongrassvalley com Disclaimer Product options and specifications subject to change without notice The information in this manual is furnished for informational use only is subject to change without notice and should not be construed as a commitment by Thomson Broadcast and Media Solutions Inc Thomson Broadcast and Media Solutions Inc assumes no responsibil...

Page 3: ...s Video problems 28 Audio problems 29 Timecode problems 30 Operational problems 31 System problems 32 Storage problems 33 Media File System problems 33 Media disk problems 34 Checking the storage system 36 Network transfer and streaming problems 37 Thermal problems 39 Floppy DVD CD drive problems 39 Power supply problems 40 Front Panel problems 40 Start up problems 43 Motherboard BIOS startup 43 W...

Page 4: ...dia file system 62 Backing up the media file system 63 Restoring the media file system 63 Cleaning the media file system 64 Updating the media file system 64 Downloading disk drive microcode 65 Resetting disk mode pages 65 Exporting log files 65 Exporting log files using the StatusPane 66 Exporting log files using the Windows command line 67 Chapter 4 Removing and replacing FRUs External Parts Rem...

Page 5: ...y features and system components of the M Series iVDR Chapter 2 Troubleshooting problems Contains problem descriptions with steps for diagnosing and correcting the cause of the problem Use this information if you are having trouble with your M Series iVDR Chapter 3 Service Procedures Contains procedures for periodic maintenance Also contains procedures for repairing the software components of the ...

Page 6: ...nd playing clips trimming clips and making a playlist M Series iVDR Release Notes Contains the latest information about the M Series iVDR software shipped on your system The information in this document includes software upgrade instructions software specifications and requirements feature changes from the previous releases and any known problems M Series iVDR User Manual Describes the M Series iV...

Page 7: ...u The M Series Help home page is displayed or In any M Series application or tool select the context menu then choose Help Online help for the application is displayed Printed manuals in PDF format All printed manuals are available in the Acrobat file format pdf on the M Series iVDR System Software CD ROM The manuals are located in the CD ROM Documentation directory Thomson Grass Valley Web site T...

Page 8: ...rt is available for warranty and contract customers Authorized Support Representative A local authorized support representative may be available in your country To locate the support representative for your country visit the product support Web page on the Grass Valley Web site United States 800 547 8949 Toll Free France 33 1 34 20 77 77 Latin America 800 547 8949 Toll Free Germany 49 6155 870 606...

Page 9: ...nected to earth ground Before making connections to the input or output terminals of the product ensure that the product is properly grounded Do Not Operate Without Covers To avoid electric shock or fire hazard do not operate this product with covers or panels removed Do Not operate in Wet Damp Conditions To avoid electric shock do not operate this product in wet or damp conditions Do Not Operate ...

Page 10: ... practices that can result in personal injury or loss of life CAUTION Caution statements identify conditions or practices that may result in damage to equipment or other property or which may cause equipment crucial to your business environment to become temporarily non operational Terms on the Product These terms may appear on the product DANGER indicates a personal injury hazard immediately acce...

Page 11: ...s Certifications and Compliances Canadian Certified Power Cords Canadian approval includes the products and power cords appropriate for use in the North America power network All other power cords supplied are approved for the country of use FCC Emission Control This equipment has been tested and found to comply with the limits for a Class A digital device pursuant to Part 15 of the FCC Rules Thes...

Page 12: ...including interference that may cause undesirable operation Laser Compliance Laser Safety Requirements The device used in this product is a Class 1 certified laser product Operating this product outside specifications or altering its original design may result in hazardous radiation exposure and may be considered an act of modifying or new manufacturing of a laser product under U S regulations con...

Page 13: ...mpliance with ANSI UL60950 CAN CSA C22 2 No 60950 00 12 01 2000 Safety of Information Technology Equipment including Electrical Business Equipment Third edition IEC 950 Safety of Information Technology Equipment including Electrical Business Equipment Third edition 1999 EN60950 Safety of Information Technology Equipment including Electrical Business Equipment Third Edition 2000 ...

Page 14: ...14 M Series Service Manual 6 July 2004 Safety Summaries ...

Page 15: ...ur channels of simultaneous record and playback Media is stored on internal disk drives Storage capacity depends on the disk option installed and the video compression settings selected The iVDR includes a built in disk recorder application that handles essential tasks record edit play and create play event lists The optional front panel includes an LCD display with touch screen and transport cont...

Page 16: ...o audio tracks and one timecode track Note that an E to E playback path is provided for monitoring purposes The E to E path allows the play channel output to switch to the record channel input when the play channel is in stop mode or not asset is loaded on the channel You can configure the iVDR so that the play channel does not use E to E but instead freezes on the last frame when the play channel...

Page 17: ... major architectural blocks Real Time Processor Board AGP Board ATX Motherboard Codec Board XLR Board RS422 Boards Power Supply Fan Module VAR JOG SHTL R1 P2 P1 R2 VGA Monitor Mouse Keyboard Front Panel System Drive C Ethernet Port iVDR Inputs and Outputs Audio Video Timecode Reference Monitor GPI Remote Control Devices Floppy Drive CD RW Drive Media Drives V SCSI Application System System Resourc...

Page 18: ... mapped to the Windows operating system using the V drive letter The Application system uses a Windows operating system upon which all M Series applications run for configuration and control of the iVDR Real Time System The Real Time system uses Grass Valley boards to provide the core video disk recorder functionality Primary components are as follows Real Time Processor RTP Board This board provi...

Page 19: ...apter provides one IEEE 1394 port for recording media from a DV device NOTE Other optional boards may be available Contact Thomson Grassvalley for more information Board Slot Comments ATX Motherboard Assigned to Com Ports 1 and 2 AGP AGP slot RS422 PCI 1 Assigned to Com Ports 3 and 4 Labeled on rear panel as Port 1 Port 2 RTP PCI 2 RS422 PCI 3 Assigned to Com Ports 5 and 6 Labeled on rear panel as...

Page 20: ... its core a conventional desktop PC type system In the iVDR it is dedicated to control configuration and networking functions that do not require real time accuracy The Application system has the following components Application software provides the user interface for operating the iVDR The software runs as Windows programs Application servers use DCOM a standard Microsoft technology which allows...

Page 21: ...mechanisms to serve media processing needs while maintaining real time accuracy When you control iVDR play and record operations from within the Application System you trigger a chain of events that eventually crosses over into the Real Time System and results in media access The following sequence is an example of this type of chain of events 1 A user operates the Player application to play a par...

Page 22: ...en the iVDR starts up Status Service reports system health and if there is a problem Status Service takes appropriate action to limit AppCenter functionality Grass Valley FTP Daemon This service acts as the server for remote file streaming transfers SNMP Service This is a standard Windows service that has been adapted for the iVDR It is required only for remote monitoring via NetCentral or other S...

Page 23: ...se chassis For some serious system faults or for mechanical damage the entire iVDR as described earlier in this chapter can be replaced as a base chassis FRU Refer to Replacing an iVDR on page 46 Front Panel and cable VAR JOG SHTL R1 P2 P1 R2 Channel Select Buttons Remote Indicator Jog Shuttle Knob Jog Shuttle Controls Variable Speed Play Control Transport Control Buttons Phone Jack Level Control ...

Page 24: ... Front Panel display The knob is located on the back of the Front Panel The cable and connection is a DVI D connector with a modified pin out specific to the iVDR The DVI connection provides graphical audio and USB control signals to the Front Panel It also provides a 12 volt power source For local mounting the Front Panel is connected to the AGP board via a front facing connector and short cable ...

Page 25: ...It has a fan with automatic speed control and status LEDs that indicate the current state and health of the power supply Refer to Power supply problems on page 40 for LED descriptions The power supply has protection for over voltage over current over temperature and short circuits Refer to Power supply removal on page 72 for procedures Fan module The fan module contains two fans which provide cool...

Page 26: ...26 M Series Service Manual 6 July 2004 Chapter 1 Product Description ...

Page 27: ...o problems on page 29 Timecode problems on page 30 Operational problems on page 31 System problems on page 32 Storage problems on page 33 Network transfer and streaming problems on page 37 Thermal problems on page 39 Floppy DVD CD drive problems on page 39 Power supply problems on page 40 Front Panel problems on page 40 Start up problems on page 43 ...

Page 28: ...ailable in model M 122A On the Configuration Manager System page increase the MPEG data rate The picture level modulates at a particular frequency There is excessive hum riding on the video input signal The automatic gain control AGC circuits will tend to modulate the picture level at that frequency in an attempt to compensate for the problem Check the video input signal for excessive hum Try turn...

Page 29: ...clipping caused by excessive audio input level Check for input audio clipping Adjust the audio input trim Adjust the Player audio level Reduce the source audio input level Analog audio level is too low Audio level needs to be adjusted Adjust the audio input trim Adjust the Player or Recorder audio level Increase the source audio input level Audio level is too low Audio level needs to be adjusted A...

Page 30: ...d VITC timecode VITC reader is set to automatic and there are two sets of VITC in the VBI Use Look for timecode on lines VITC detection and specify lines where VITC should be read Incorrect or no recorded VITC timecode The VITC reader is set to Look for timecode on lines and there are two sets of VITC in the VBI and the wrong VITC lines may be specified Verify location of VITC signals and set up L...

Page 31: ...pt Delete and re record the clip A clip does not play or can not be edited The clip is locked Unlock the clip Can t rename a clip or modify mark in mark out points The clip loaded or playing is still being recorded In this case Read Only is displayed in the StatusBar Wait until recording is complete Cannot load and play a list The application currently selected for the channel is not Playlist Sele...

Page 32: ...controls are not displayed on the VGA monitor The resolution of the VGA monitor is incorrect Make sure the resolution is higher than 640 X 480 If the resolution is 640 X 480 AppCenter is displayed as if it were on a Front Panel with no transport controls If you change the resolution restart AppCenter The VGA monitor is blank The monitor is connected to the motherboard connector Connect to the AGP ...

Page 33: ... delete the problem clips If the problem persists proceed with the next step 3 Work through Checking the media file system on page 62 If the file system fails the check process you must make a new file system When you do so you lose all media currently stored on the media disks See Making a media file system on page 61 During AppCenter startup a no file system running message appears The file syst...

Page 34: ...ed and which are not displayed Determine if all slots are operating correctly Temporarily move a disk that checks out as good displayed in Storage Utility and identified with a flashing disk light into the slot of a disk that does not check out as good If the good disk still checks out as good in the same slot then you know the slot is operating correctly If you find a faulty slot contact Support ...

Page 35: ...destination iVDR is out of space Make space on the media drives by deleting unused clips and emptying the Recycled Bin Playbackflashes After this occurs for several seconds a decoder error occurs and the play channel hangs One of the disks is not part of the stripe group because there is a disk error or because disks have been re arranged in their slots If you have recently removed and replaced di...

Page 36: ... the Windows operating system over tax the capabilities of the motherboard processor This commonly happens when unsupported software has been installed that competes with iVDR applications Virus scanners and screen savers can cause this type of problem since they can start automatically and consume system resources Encoder overrun This occurs when an encoder is flooded with more data than it can p...

Page 37: ...network a failed to connect message appears and the operation fails The iVDR to which you are trying to connect is not operating or the high speed network is mis configured Verify that the iVDR to which you are trying to connect is operational and that the network is configured according to the requirements for a high speed network including static IP addresses and hosts files Verify that the name...

Page 38: ...pport browsing a non M Series device You must select the Profile XP Media Platform then specify the target manually by entering the disk volume and bin name e g EXT default Files do not appear in Send To or Export dialogs File names do not have proper extensions The dialogs only see files with either AVI or GXF extensions Rename files with proper extensions Problem Possible Causes Corrective Actio...

Page 39: ...irty or faulty 1 Make sure a correctly formatted disk is inserted correctly Try another disk if necessary Refer to the M Series User Manual for formatting instructions If the problem persists with a correctly formatted and inserted disk proceed with the next step 2 Watch the disk drive access lights while you attempt access to the disk If the lights do not flash correctly restart the iVDR and try ...

Page 40: ...indicators on the power supply itself Refer to the following table Power supply condition Power LED Green Predictive Fail LED Amber Fail LED Amber No AC power to power supply OFF OFF OFF AC present Standby Outputs ON Blinking OFF OFF Power supply DC outputs ON and OK ON OFF OFF Power supply failure indicates over voltage over temperature OFF OFF ON Current limit ON OFF Blinking Predictive failure ...

Page 41: ...ness control on the back of the Front Panel Go to the Windows desktop right click and select Properties You can also use the Windows operating system Display Troubleshooter If you find no problems continue with the next step 2 Check the Front Panel cable connections and watch the screen for corresponding effects If you find a disconnected or faulty cable reconnector replace the cable If the Front ...

Page 42: ... The Jog Shuttle knob the Selection knob or the Headphone level knob operates poorly or not at all The knob is bent or broken Inspect the knob to confirm that there is a mechanical problem with the knob If so replace the Front Panel Problem Possible Causes Corrective Actions ...

Page 43: ...matically log on without any input When the Windows startup is complete the Windows desktop is momentarily displayed If the Windows startup screen does not proceed automatically or if a message appears that requires your input it indicates a problem at the operating system level If the problem cannot be corrected with a supported procedure such as networking the Windows operating system is not ope...

Page 44: ...th control application disabled Additional checks take place as displayed in AppCenter s lower pane When all system checks are successful control applications become fully enabled in AppCenter If one of the system checks fails a message appears Messages of this type indicate problems with the specialized iVDR hardware or software To correct problems of this nature follow the instructions embedded ...

Page 45: ...ery in case of a system fault You can back up your iVDR using the following mechanisms Software recovery disk image Refer to Using the software recovery disk image on page 50 A software recovery disk image is a file that contains an image of the entire system drive C of your iVDR When you restore your system drive from this image you effectively undo any software faults that might have been introd...

Page 46: ...re all settings at once The default configuration file is part of the software recovery disk image Media backup There is no built in mechanism in the iVDR for backing up the media itself The media files in total can become very large so if you need to back up your media you should establish a mechanism that is suited to your facility and its resources You can stream media to another iVDR or Profil...

Page 47: ...ackup files do the following While in Normal mode backup your current configurations as a saved configuration file Refer to the M Series User Manual for instructions on using Configuration Manager Restart into Storage Maintenance mode and backup the media file system Refer to Backing up the media file system on page 63 Save the backup files to the system drive s second partition then copy the file...

Page 48: ...r opens automatically There should be no error messages since the media disks are now properly incorporated into the Media File System Skip ahead to step 11 10 If you are restoring from a backup you made previously prior to the problem on the faulty iVDR the Media File System references are not all correct Any media that is new or modified since you made the backup is not referenced and is therefo...

Page 49: ...AppCenter opens with only partial functionality because of the error conditions If you see no error messages and the Storage Utility opens automatically it means the iVDR is in Storage Maintenance mode In this case you can skip ahead to step 5 4 From AppCenter select System Shutdown Then in the Shutdown dialog select Storage Maintenance and OK The iVDR restarts into Storage Maintenance mode and th...

Page 50: ...r Yes and restart in Normal mode Your iVDR is now operational but with an empty file system and no media stored You can now record your media Using the software recovery disk image You can restore the complete software on the system disk from a disk image stored on the system disk s second partition This simplifies the process of troubleshooting and correcting software faults Creating the software...

Page 51: ... Creating an Image wizard opens The Select Source Partitions screen appears It displays the partitions on the iVDR s system drive 4 From the partition list select Local Disk This is the system drive which should be at the top of the list and reported as Active in the Status column 5 Click Next The Name Image File screen appears ...

Page 52: ... the disk image you are creating It is recommended that you incorporate the name of the iVDR and the current date in the file name so that you can easily identify the disk image for the iVDR NOTE For the file name use DOS format eight characters or less with no spaces or extended characters 8 In the Drive drop down list select disk1 part2 This is the second partition on the ...

Page 53: ...the process fails NOTE NTFS drives are un named so make sure you do not select the system drive 9 Click OK The New Image File dialog box closes 10 On the Name Image File screen enter image file comments such as the date time and software versions contained on the disk image you are creating Click Next The Compress Image File screen appears 11 On the Compress Image File screen select High Click Nex...

Page 54: ...Advanced Options dialog box closes 14 On the Ready to Create Image File screen confirm that the information displayed is correct for the disk image you are creating Click Finish 15 On the Creating an Image screen monitor progress bars as the DeployCenter program writes the disk image files to the second partition If the file name is iVDR1_91 files are named iVDR1_91 PQI iVDR1_91 002 iVDR1_91 003 a...

Page 55: ...e Maintenance and OK The iVDR restarts into Storage Maintenance mode which allows you to backup the Media File System You must backup the Media File System before restoring the iVDR system drive from a disk image This is because media that has changed since the disk image was created is not referenced by the Media File System on the image However with the Media File System backup file you can rest...

Page 56: ...ile dialog box opens 7 In the Drive drop down list select the disk1 part2 drive 8 Click the file name of the disk image file Make sure that the correct file name appears in the File Name box 9 Click OK The Open Image File dialog box closes 10 On the Select Image File screen click Next The Select Destination Partition screen appears ...

Page 57: ...restoring from the image file 14 The Restoring the Image dialog appears tracking the progress of the image restore Upon completion the following message appears Image was restored successfully 15 Click Yes return to the ImageCenter main screen and exit the DeployCenter program 16 Remove the CD and use the standby switch to restart the iVDR The iVDR should start in Storage Maintenance mode if you m...

Page 58: ...e mode In this mode the Storage Utility runs Storage Maintenance mode automatically logs on using the following Windows user account Username administrator Password mseries AppCenter cannot run in Storage Maintenance mode This means all media access operations are disabled while you are using the Storage Utility You switch between these startup modes by opening and closing the Storage Utility as e...

Page 59: ...stem menu and select Shutdown The Shutdown dialog appears On the Shutdown dialog select Storage Maintenance and select OK The iVDR restarts into Storage Maintenance mode If AppCenter is not currently running open the Storage Utility shortcut on the Windows desktop A message appears Select Yes to confirm the reboot into the Storage Maintenance mode If you get a message about restarting in Normal mo...

Page 60: ... mode 1 Complete all the service work that you need to do using the Storage Utility 2 On the Storage Utility window select Close A message appears that asks if you want to reboot 3 Answer the reboot message as follows Select Yes In most cases this is the appropriate answer given that your work with the Storage Utility is complete and you are ready to restart into Normal mode When you select Yes a ...

Page 61: ... procedure if you need to identify the location of a particular media disk 1 If you have not already done so remove the Front Panel or door and the Fan module so that you can see the media disks lights Refer to Front Panel or door removal on page 70 and Fan module removal on page 71 2 Open the Storage Utility as explained in Opening and closing the Storage Utility on page 58 The Storage Utility de...

Page 62: ...tart 4 Select OK to restart into Normal mode The iVDR restarts Your new blank file system is ready to store your media Checking the media file system This procedure checks the media file system but retains current media files 1 Open the Storage Utility as explained in Opening and closing the Storage Utility on page 58 2 Open the Storage Utility context menu and select Check Media File System A pro...

Page 63: ...firm saving the backup file 3 Select Yes to confirm the backup A Save dialog opens 4 Navigate to your backup location name the backup file and save it A progress indicator appears When the backup completes a message appears confirming the successful backup 5 Select OK Your Media File System is backed up Restoring the media file system This procedure restores your iVDR s references to the media tha...

Page 64: ...s successful the backup file will not be needed 3 Open the Storage Utility context menu and select Clean Media File System A dialog opens to confirm that you do not need to backup your media file system 4 Select No to skip the backup and continue A progress indicator appears as the Media File System is cleaned 5 Respond to messages as follows a If unreferenced movies are found a message is display...

Page 65: ...ges Use this procedure if you are directed by Grass Valley Support to restore the disk mode pages to the iVDR default settings Do not use this procedure unless directed 1 Open the Storage Utility as explained in Opening and closing the Storage Utility on page 58 2 Open the Storage Utility context menu and select Check Disk Mode Pages A progress indicator appears as the Storage Utility resets the d...

Page 66: ...e 2 Select the StatusPane menu button then choose Export Log The ExportLog dialog box is displayed 3 In the ExportLog dialog box browse to locate the destination directory 4 Select the File Name edit control then enter a file name for the exported log file 5 Use the Logs tab to select the log files to export 6 Select Export 7 When the export confirmation message appears click OK 8 Retrieve the log...

Page 67: ...ottom edge of the Front Panel 2 In the Windows task bar select Start Run 3 Type the following in the Run dialog box then click OK c profile exportlog The ExportLog dialog box is displayed 4 In the ExportLog dialog box browse to locate the destination directory 5 Select the File Name edit control then enter a file name for the exported log file 6 Use the Logs tab to select the log files to export 7...

Page 68: ...68 M Series Service Manual 6 July 2004 Chapter 3 Service Procedures ...

Page 69: ...eed only a Torx tool with T15 magnetic tip to remove and replace parts in the M Series iVDR NOTE Only Grass Valley components are supported Do not attempt to use components procured from a different source NOTE Do not discard any hardware unless specifically instructed to do so WARNING To avoid serious injury from high currents ensure that the power cord is disconnected prior to removing or replac...

Page 70: ...om the front of the cabinet Front Panel or door removal If the optional Front Panel is currently installed on your iVDR remove it using the following procedure If the Media Drive door is currently installed on your iVDR remove it using the following procedure also However disregard steps for the latch and the cable as these are not applicable to the Media Drive door Press latch and raise Front Pan...

Page 71: ... proceed as illustrated Media disk removal To remove a media disk first remove the Front Panel or door and the Fan module as described in the previous procedures then proceed as illustrated When installing a media drive push it in firmly and make sure that it clicks into place completely 1 1 2 Push in on drive to release tension on latch 1 Press latch until it clicks 2 Slide out 3 ...

Page 72: ...nd replacing FRUs Power supply removal Access the power supply from the rear panel Remove as illustrated Power supply installation Remove two screws Disconnect power cord Open handle and slide out 1 2 3 1 3 2 Attach two screws Slide in until seated Close handle ...

Page 73: ...to remove internal parts from the M Series iVDR CAUTION To avoid possible damage to circuit boards and other sensitive parts turn off the iVDR and disconnect AC power before opening the top cover or removing any internal parts Top cover removal 2 3 Remove rear screw 1 Remove top screw Push back 1 cm to release then lift off ...

Page 74: ...ove the full width drives such as the CD and DVD drives also remove the Front Panel or door as described in previous procedures This creates clearance for the drive mounting tab Procedures for removing the different drives from the drive bay are similar as illustrated by the following procedure for the 3 5 inch floppy drive Disconnect cables 3 IDE cable Power cable Release latch and lower door 1 R...

Page 75: ...anual 75 Removing floppy CD DVD drives When replacing a drive make sure that the master slave jumper on the rear of the drive is in the same position as on the drive originally removed and that you connect to the same IDE connector ...

Page 76: ...76 M Series Service Manual 6 July 2004 Chapter 4 Removing and replacing FRUs ...

Page 77: ...Configuration Manager application 46 cover removal 73 CPU troubleshooting 36 cradle 24 CVFS troubleshooting 33 D database backup 46 description 20 troubleshooting 33 DCOM 20 decoder underrun troubleshooting 36 DeployCenter 50 description FRUs 23 functional 16 overview 15 system 17 disk drive microcode 65 image 45 removal 71 replacing 49 troubleshooting 34 36 disk mode pages 65 door removal 70 DVD ...

Page 78: ... files exporting 66 67 logging database 66 67 logon 58 M media backup 46 media disk drive description 24 door removal 70 identify 61 naming 60 61 properties 61 removal 71 replacing 49 transfer to replacement iVDR 47 troubleshooting 34 media file system backup 46 63 checking 62 cleaning 64 description 20 making 61 restoring 63 troubleshooting 33 updating 64 microcode 65 mode pages 65 M Series iVDR ...

Page 79: ...ap 19 software recovery disk image creating 50 description 45 restoring 55 start up problems 43 storage maintenance mode description 58 restarting 59 storage system description 21 storage utility using 58 streaming troubleshooting host names 37 troubleshooting transfer failure 35 stripe group description 24 troubleshooting disk error 35 troubleshooting drives added 33 support Grass Valley 8 synchr...

Page 80: ...80 M Series Service Manual 6 July 2004 Index ...

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