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HIKVISION DS-A81024S/192 User Manual

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  • Page 1 Storage System User Manual...
  • Page 2 SYSTEMS, OR LOSS OF DOCUMENTATION, WHETHER BASED ON BREACH OF CONTRACT, TORT (INCLUDING NEGLIGENCE), PRODUCT LIABILITY, OR OTHERWISE, IN CONNECTION WITH THE USE OF THE PRODUCT, EVEN IF HIKVISION HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES OR LOSS.
  • Page 3 Storage System User Manual CYBER-ATTACK, HACKER ATTACK, VIRUS INFECTION, OR OTHER INTERNET SECURITY RISKS; HOWEVER, HIKVISION WILL PROVIDE TIMELY TECHNICAL SUPPORT IF REQUIRED. YOU AGREE TO USE THIS PRODUCT IN COMPLIANCE WITH ALL APPLICABLE LAWS, AND YOU ARE SOLELY RESPONSIBLE FOR ENSURING THAT YOUR USE CONFORMS TO THE APPLICABLE LAW.
  • Page 4 Storage System User Manual Regulatory Information FCC Information Please take attention that changes or modification not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. FCC compliance: 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.
  • Page 5 Storage System User Manual collection points. For more information see: http://www.recyclethis.info. 2006/66/EC (battery directive): This product contains a battery that cannot be disposed of as unsorted municipal waste in the European Union. See the product documentation for specific battery information. The battery is marked with this symbol, which may include lettering to indicate cadmium (Cd), lead (Pb), or mercury (Hg).
  • Page 6 Storage System User Manual Safety Instructions  Proper configuration of all passwords and other security settings is the responsibility of the installer and/or end-user.  In the use of the product, you must be in strict compliance with the electrical safety regulations of the nation and region.

  • Page 7: Table Of Contents

    Storage System User Manual Table of Contents Chapter 1 Get Started ........................9 HDD Installation .........................9 Access via Web Browser ......................10 Activation and Login ......................... 11 Chapter 2 Maintenance ........................12 System ............................. 12 Performance ..........................12 General............................ 13 2.3.1 View Version Information .....................
  • Page 8 Storage System User Manual 3.5.2 Configure Flickering Time ..................... 29 Chapter 4 SAN Management ......................30 Add/Modify CHAP User ......................30 One-Key Configuration ......................31 Enable iSCSI ..........................31 Disable iSCSI ..........................32 Chapter 5 Hybrid SAN ........................33 One-Key Configuration ......................33 Hybrid SAN Configuration ......................
  • Page 9 Storage System User Manual Log Management ........................59 6.9.1 Search Log ........................59 6.9.2 Export Log ........................59 6.9.3 Clear Log........................59 Chapter 7 Cluster ..........................60 Configure Cluster Heartbeat ..................... 60 Modify Resource IP ........................60 Chapter 8 System ..........................62 Network ..........................

  • Page 10: Chapter 1 Get Started

    Storage System User Manual Chapter 1 Get Started 1.1 HDD Installation Before you start: Prepare the following equipment and accessories.  A storage system  Hard HDDs  A pair of anti-static gloves  A screwdriver Steps: Press the blue button. Then the handle pops up. Press the Blue Button Hold the hander and pull the HDD dummy out of the slot.

  • Page 11: Access Via Web Browser

    Storage System User Manual Place HDD Adjust the HDD position. Ensure the HDD rear aligning with HDD dummy rear and the two screw holes aiming at the holes that marked with red frame in Figure 1. 4 HDD Position. HDD Position Use a screwdriver to fasten the four screws into the screw holes in both sides.

  • Page 12: Activation And Login

    Storage System User Manual interface. Configure the PC IP address. Ensure it is on the same network segment with the IP address of management network interface. The default IP address of management network interface is 10.254.254.254. Steps: Open web browser. Input the storage system IP address (https://10.254.254.254:2004) in Web browser address bar.

  • Page 13: Chapter 2 Maintenance

    Storage System User Manual Chapter 2 Maintenance Purpose: Maintenance function enables you to view login and iSCSI information, monitor running status, restore default settings, check and download logs, upgrade storage system, and so forth. Table 2. 1 Module Description Module Description ●...

  • Page 14: General

    Storage System User Manual Steps: Go to Maintenance > Performance. Performance Click Enable Graphical to show the real-time graphs of bandwidth usage, memory usage, and CPU usage. Optionally, click Disable Graphical to fold the graphs. Graph Monitor Click System Performance to pop up system performance window. System performance updates per second. Click of View IO Performance to unfold/fold input and output status.

  • Page 15: View Version Information

    Storage System User Manual 2.3.1 View Version Information Purpose: Version information includes SMI, hybrid SAN, StoreSDK, etc. Steps: Click Version Information to view version information. Click Cancel to close the window. 2.3.2 Default Settings Purpose: You can reset system to factory defaults when system is abnormal. You are recommended to reset system under the direction of professional technical support.

  • Page 16: Graphical Display

    Storage System User Manual 2.4 Graphical Display Purpose: The storage system provides a graph to show the front view status in Maintenance > Graphical Display. Graphical Display Front view shows you the HDD status. You can move the cursor in a green indicator slot to view details, or click Overview to view information of all HDDs.

  • Page 17: Environmental

    Storage System User Manual 2.5 Environmental Purpose: Environmental shows the fan information, module temperature, fan control panel version, and chassis power. Steps: Go to Maintenance > Control Message. Host Optionally, click Mute to turn off system audible warning. Optionally, click Position to position which controller is working. The FN indicator of working controller would light up and flash for 10 minutes.

  • Page 18: Chapter 3 Storage Management

    Storage System User Manual Chapter 3 Storage Management Table 3. 1 Module Description Module Description You can:  View HDD information and status.  Rescan, positioning, initialize, and detect HDDs. You can:  Create arrays.  Array Add hot spare. ...

  • Page 19: Rescan Hdd

    Storage System User Manual Undetected HDD failed the HDD detection. Lost HDD is unrecognized. Risky Exception occurs during HDD detection. But it can still work. HDD is kicked out by an array. Warning HDD read and writing speed is higher than 10 MB/S during pressure test. 3.1.2 Rescan HDD Purpose: If an HDD is installed or uninstalled, you can click Rescan to find or remove the HDD.

  • Page 20: Array

    Storage System User Manual HDD Detection Select the Detection Mode as Rapid or Comprehensive.  Rapid: Detect parts of all HDD blocks. It takes shorter time than Comprehensive.  Comprehensive: Detect all HDD blocks. It takes longer time than Rapid. ...

  • Page 21: Create Array

    Storage System User Manual Array 3.2.1 Create Array Purpose: You can use available HDDs to create array. Steps: Click Create Array. Create Array Input Array Name in text field. Select Array Type in drop-down list. RAID 0, RAID 1, RAID 3, RAID 5, RAID 6, RAID 10, and RAID 50 are selectable.

  • Page 22: Array Exception

    Storage System User Manual at least 4 even HDDs. RAID 50 RAID is made of RAID 0 and RAID 5 which requires at least 6 even HDDs. Select Array Block Size(KB) in drop-down list. Select I/O Priority as Performance Priority, Protection Priority, Balanced, or Smart. ...

  • Page 23: Rebuild Array

    Storage System User Manual  If array in storage pool fails, physical volume fails. 3.2.3 Rebuild Array Purpose: Rebuilding refers to the process of using a normal HDD or array to virtually replace a failed HDD in a degraded array. The normal HDD can be hot spare HDD, newly inserted HDD, and so forth.

  • Page 24: Repair Array

    Storage System User Manual 3.2.5 Repair Array Purpose: You can repair the data bit and parity data mismatch issue. If array in storage pool starts repairing, physical volume status is repairing. Steps: Click Maintenance of a degraded array in the array list. Click Repair to start repairing.

  • Page 25: Add Hot Spare

    Storage System User Manual 3.2.8 Add Hot Spare Purpose: The hot spare HDD can replace failed HDD in the degraded array. In order to protect data from damage in case of HDDs in array fail, it is recommended to add hot spare HDDs for a created array. RAID 0 will not degrade.

  • Page 26: Storage Pool

    Storage System User Manual 3.3 Storage Pool Purpose: Storage pool is made of physical volumes and contains arrays and HDDs, and it is designed for central management of storage capacity. Go to Storage > Storage Pool. Storage Pool Table 3. 5 Interface Description Area Name Description...

  • Page 27: Delete Storage Pool

    Storage System User Manual Add Storage Pool Select at least one array or HDD as storage pool. Or select the combination of array or HDD. Input PV Name in text field. Click OK to add the storage pool. Storage Pool 3.3.2 Delete Storage Pool Purpose: You can delete storage pool by deleting the added physical volumes.

  • Page 28: Lun (Logical Volume)

    Storage System User Manual Click Posion. The the HDD bottom indicator would keep flickering in green color. 3.4 LUN (Logical Volume) Purpose: Logical volume is the virtual HDD which is made of physical HDD. Go to Storage > LUN. Logical Volume 3.4.1 Create Logical Volume Purpose: You can create logical volumes by using available physical volumes.

  • Page 29: Delete Logical Volume

    Storage System User Manual 3.4.2 Delete Logical Volume Steps: Select logical volume(s) to delete. Click Delete to delete. The working logical volume cannot be deleted. Only free logical volume can be deleted. 3.4.3 Rename Logical Volume Only free logical volumes can be renamed. Steps: Click of the corresponding logical volume.

  • Page 30: Configuration

    Storage System User Manual Enter New Capacity (MB). Select Available Physical Volume to extend. Click OK. 3.5 Configuration Purpose: You can set the array synchronization speed type and flickering time of positioning indicator in Storage > Configuration. Configurations 3.5.1 Configure Synchronization Speed and Type Purpose: Array synchronization speed and synchronization type is editable.

  • Page 31: Chapter 4 San Management

    Storage System User Manual Chapter 4 SAN Management Purpose: You can add iSCSI disks to your computer. iSCSI 4.1 Add/Modify CHAP User Purpose: When enabling iSCSI, you can select an added CHAP user as a way to verify your computer permission. Steps: Go to SAN Management >...

  • Page 32: One-Key Configuration

    Storage System User Manual 4.2 One-Key Configuration Purpose: One-key configuration is used to quickly configure the iSCSI settings in the storage system. 4.3 Enable iSCSI Purpose: You shall enable iSCSI in the storage system before adding iSCSI HDDs in computer. Steps: Go to SAN Management >...

  • Page 33: Disable Iscsi

    Storage System User Manual Click OK. When multiple iSCSIs share the same LUN, only one iSCSI server access mode can be R/W and other servers should be RO or IRO, or file system may be damaged or data may lose. 4.4 Disable iSCSI Purpose: For the unnecessary iSCSIs, you can disable them, thus to keep the storage system safe and stable.

  • Page 34: Chapter 5 Hybrid San

    Storage System User Manual Chapter 5 Hybrid SAN Purpose: You can configure Hybrid SAN and N+1 parameters. Table 5. 1 Module Description Module Description  Configure private volume, CVR configuration, create record volume, and extend record volume.  Hybrid SAN CVR one-key configuration.

  • Page 35: Start Hybrid San

    Storage System User Manual Hybrid SAN 5.2.1 Start Hybrid SAN Purpose: You can start Hybrid SAN after private volumes are created. Before you start: Add HDDs to storage pool for single-HDD mode, or create arrays and add them to storage pool for array mode. Create at least 5 LUNs.

  • Page 36: Reset Hybrid San

    Storage System User Manual Hybrid SAN Check Enable Hybrid SAN after finishing. Optionally, check Allocate private volume's reserved space and Enable private volume's reserved space. Enable private volume's reserved space: Create a spare volume for private volume. The spare volume works as a backup volume.

  • Page 37: Record Volume

    Storage System User Manual Reset Hybrid SAN Click Hybrid SAN Service Reset. Enter yes or YES. Click OK. 5.2.3 Record Volume Purpose: Record volume is the logical volume stores videos. 5.2.3.1 Create Record Volume Steps: Go to Hybrid SAN > Hybrid SAN. Click Configure Hybrid SAN.
  • Page 38 Storage System User Manual Create Record Volume Set Record Volume Name. Select Overwrite Strategy as Overwrite or Do Not Overwrite.  Overwrite: Once the record volume is full, videos can still write into it by covering the earliest videos.  Do Not Overwrite: Once the record volume is full, videos cannot be written in it Select Record Volume Usage as Video Storage or Picture Storage.
  • Page 39 Storage System User Manual Go to Hybrid SAN > Hybrid SAN. Click the record volume name. LUNs Click of the LUN you want to delete. Enter yes or YES. Click OK. After it is deleted, data saved in the LUN is deleted and the LUN status is Free. 5.2.3.3 Expand Record Volume Purpose: When the record volume capacity is insufficient, you can use the free LUNs to extend it.

  • Page 40: Backup And Restore

    Storage System User Manual Click OK to start extending. 5.3 Backup and Restore Purpose: The chapter introduces the video backup and Hybrid SAN restoring steps. 5.3.1 View Private Volume Information Purpose: Private volume 1 and private volume 2 are listed in Hybrid SAN > Hybrid SAN > Backup and Restore > Private Volume Information.

  • Page 41: Recover Video Data

    Storage System User Manual Steps: Go to Hybrid SAN > Hybrid SAN. Click Backup and Restore. Click Execute Backup Task. Click OK. Backup 5.3.4 Recover Video Data Purpose: If you reset Hybrid SAN, deleted record volume, or cleared record volume by mistake, please contact technical support for professional help.

  • Page 42: N+1 Management

    Storage System User Manual Record Data Recovery 5.4 N+1 Management Purpose: A storage system whose Hybrid SAN service has started can serve as a backup Hybrid SAN for other Hybrid SANs. When one or more master Hybrid SANs fail, the backup Hybrid SAN would record the videos from encoders. Master Hybrid SAN error includes network error, private volumes damaged, database error, and Hybrid SAN service error.

  • Page 43: Delete Backup Hybrid San

    Storage System User Manual Add Backup Hybrid SAN Enter the backup Hybrid SAN IP address. Click OK. Optionally, check Synchronization and Delete the videos saved in backup CVR after synchronization succeeded, and click Modify to enable them.  Synchronization: Once master Hybrid SAN recovers to normal, backup Hybrid SAN uploads the videos back to master Hybrid SAN.
  • Page 44 Storage System User Manual Add Master Hybrid SAN Enter master Hybrid SAN IP address. Click OK to add. The added master Hybrid SAN is listed in Hybrid SAN master list Enter Maximum Taking Over Number and click Modify. If maximum taken-over master Hybrid SAN is 4 and 7 master Hybrid SANs are added, when 5 master Hybrid SANs are abnormal, the backup CVR would take over the first added 4 master Hybrid SANs.

  • Page 45: Chapter 6 Hybrid San Sub-System

    Storage System User Manual Chapter 6 Hybrid SAN Sub-System Purpose: You can configure the parameters for Hybrid SAN sub-system. Table 6. 1 Module Description Module Description Information Encoding device, record schedule, and record volume information are listed. You can add and manage encoding devices, adjust CVR sub-system time, count Encoding Device remaining recoding capacity, and analyze video loss.

  • Page 46: Encoding Device

    Storage System User Manual Information Table 6. 2 Status Description Status Description Free Connection is normal and it is recording. It appears when encoding device amount reaches the limit or CVR is No video input rebooting. Recording Encoding device is recording. Password or user name error Incorrect user name or password for encoding device.
  • Page 47 Storage System User Manual Login user, and Password. Optionally, you can enable stream media server by checking Enable SMS (Stream Media System), inputting IP address: port (e.g., 192.168.0.2:554) in SMS, and select URL Mark and Transmission Method. Optionally, you can enable other function according to your needs. ...

  • Page 48: Modify/Delete Encoding Device

    Storage System User Manual 6.3.3 Modify/Delete Encoding Device Steps:  To delete encoding devices, do following steps: Select encoding device you want to delete. Click Delete encoding device.  To modify encoding device parameters, do following steps: Click of encoding device you want to modify. Edit the parameters you want to modify.

  • Page 49: Preview And Record

    Storage System User Manual  Update Duplicate Device: When the contents of HOST and CHANNEL column of several encoding devices are the same, CVR judges them as duplicate encoding device. If it is selected, CVR would add all of the duplicate encoding devices and update the previous encoding devices’ parameters. Or duplicated wouldn’t be added.

  • Page 50: Strategy And Alarm

    Storage System User Manual 6.5 Strategy and Alarm Purpose: You can configure recording schedule, create uploading task and schedule, and configure alarm parameter in Strategy and Alarm. 6.5.1 Record Plan Purpose: Set the record plan, and then the encoding devices automatically starts and stops recording according to the configured plan in Strategy and Alarm >...
  • Page 51 Storage System User Manual Select Encoding Devices Select Date on which you want to set schedule. Date In Record mode, to schedule an all-day recording, check Whole-day Video. Or you can select the one or more time segments to set start time and end time. Up to 8 periods can be configured for each day.
  • Page 52 Storage System User Manual  Use sub stream to record: If selected, encoding device records via sub-stream instead of main stream. 6.5.1.3 Advanced Record Plan Purpose: By setting advanced record plan, you can specify the start recording time and recording duration for designated. Steps: Go to Strategy and Alarm >...

  • Page 53: Upload Strategy

    Storage System User Manual For the purpose of managing advanced schedules in batch, you can export them, modify their parameters, and import them back through Strategy and Alarm > Record Strategy. 6.5.2 Upload Strategy Purpose: When videos in Hybrid SAN lost, and the lost videos exist in encoding devices. You can upload the videos back to Hybrid SAN through Strategy and Alarm >...
  • Page 54 Storage System User Manual Select Encoding Devices Set Video Start time and Video End time of the video you want to upload. Add Uploading Tasks Click OK to add the task. If encoding device contains the video, it starts uploading the video to Hybrid SAN. 6.5.2.3 Add Upload Plan Purpose: Uploading schedule can judge whether video loss happens during record schedule.

  • Page 55: Alarm

    Storage System User Manual Select Encoding Devices Select the date on which you want to set schedule. In Upload mode, to schedule an all-day uploading, check All-day Upload. Or you can select the one or more time segments to set start time and end time. Up to 8 periods can be configured for each day.

  • Page 56: Download And Play

    Storage System User Manual Select Encoding Devices Enter Trigger Recording (Archive) Duration for alarm types you want to pay attention. Valid Duration ranges from 5 to 9999. Then when an alarm occurs, CVR starts recording for the set Duration. The supported alarm types include Signal Source, Motion Detection, Video Tampering, Perimeter Cross, Wrong Direction, Unattended Baggage, and Object Loss.

  • Page 57: Lock Videos

    Storage System User Manual Select Encoding Devices Specify the search conditions including Start Time, End Time, Record Type, Search Type, etc. Click OK to start search. And the videos meet the search conditions would be listed. 6.6.2 Lock Videos Purpose: The locked videos will not be overlapped by other videos.

  • Page 58: User Management

    6.8.1 Mode Switch Purpose: In System Config > Mode Switch, you can enable smart switch for Hikvision HK encoding device, instead of NHK encoding device. When Setting Video Query Time is set to 0, it means there is no limit for the value.

  • Page 59: System Alarm

    Storage System User Manual 6.8.2 System Alarm Purpose: You can set linkage actions for alarm type, specify alarm type for alarm events, and turn on or turn off status alarm. Steps: Go to System Config > System Alarm. Alarm type includes Info (Information), Warning, Error, and Fatal. Specify 3 linkage actions for the 4 alarm types.

  • Page 60: Log Management

    Storage System User Manual 6.9 Log Management Purpose: Log helps you figure out Hybrid SAN history actions. You can search, export, and clear logs. 6.9.1 Search Log Steps: Go to Log Management > Operation Log. Click Search log. Specify the search condition including Log type, Start time, End time, and Including Characters. Click OK to start search.

  • Page 61: Chapter 7 Cluster

    Storage System User Manual Chapter 7 Cluster Purpose: Cluster function is only available for devices with dual controllers. Array can be created after the cluster heartbeat is configured. 7.1 Configure Cluster Heartbeat Purpose: Array can be created after the cluster heartbeat is configured. Steps: Go to Cluster >...
  • Page 62 Storage System User Manual Modify Resource IP...

  • Page 63: Chapter 8 System

    Storage System User Manual Chapter 8 System Purpose: You can configure network parameters, alarm triggered action, system time, modify system password, and so forth. Table 8. 1 Module Description Module Description You can:  Modify the configuration of management network interface and data network interfaces.

  • Page 64: Bind Network Interfaces

    Storage System User Manual transmission performance. Click OK to save the settings. 8.2.2 Bind Network Interfaces Purpose: When transmitting data via a single data network interface, once the data network interface fails, data transmission stops. By bonding multiple data network interfaces into one, they can share one IP address, thus to balance network load and create redundant links.

  • Page 65: Mac And Ip Bonding

    Storage System User Manual gateway. If you want to access the storage system via a specified gateway, add route here. Steps: Go to System > Network. Click Add Route. Add Route Input Route IP Address, Subnet Mask, and Default Gateway. The client server within route IP address can access the storage system via the default gateway.

  • Page 66: Advanced Parameters

    Storage System User Manual Click OK to create bond. 8.2.5 Advanced Parameters Purpose: You can configure DNS server, bond mode, and network work speed parameters. 8.2.5.1 DNS Server Purpose: You are required to add DNS server IP address if you need to access external network. Steps: Go to System >...
  • Page 67 Storage System User Manual Bond Mode Description  The order of received data is uncertain.  Low network throughput.  Definition: The default bond mode. Transmits data via a specified data network interface, other data network interfaces are standby. Only when the specified data network interface fails, another standby data network interface takes over transmission task.

  • Page 68: Alarm

    Storage System User Manual Bond Mode Description  Definition: The storage system allocates output traffic to each data network interfaces, according to current load. And transmits data to clients via different data network interfaces. If the working data network interface fails, another data network interface takes over the task.
  • Page 69 Storage System User Manual Module Alarm Type Event Level Controller power supply error Serious Power supply Storage enclosure power supply error Serious Temperature is too high Warning Temperature Temperature is high Serious Temperature is too low Serious Fan speed is too low Warning Fan speed error Serious...

  • Page 70: Add Email User

    Storage System User Manual 8.3.2 Add Email User Purpose: Alarm messages are sent to receiving emails via sending emails. Before you start: Set DNS server first. Refer to section 8.2.5.1 DNS Server for detailed steps. 8.3.2.1 Configure Sending Email Steps: Go to System >...

  • Page 71: Testing Email

    Storage System User Manual Add Email Alarm User 8.3.3 Testing Email Purpose: After sending and receiving e-mail are configured, you can test the communication between them. Steps: Go to System > Alarm. Check the sending email you want to test. Click Test.

  • Page 72: Test Smtp Manager

    Storage System User Manual Add SNMP Manager Enter SNMP Manager and SNMP Port No. SNMP Version is V2(V2C) by default. Set Event Level as System Log, Alarm Event, Error Event, or Serious Event. Click OK. The added SNMP manager is listed in SNMP manager list. 8.3.5 Test SMTP Manager Purpose: You can test the network communication of SMTP manager.

  • Page 73: Tool

    Storage System User Manual 8.5 Tool 8.5.1 Modify Password Purpose: You can modify password for basic management system and CVR sub-system user. Steps: Go to System > Tool. Click Modify password. Select User Name as web_admin or nvr_admin.  web_admin: Basic management system user name. ...

  • Page 74: Network Test

    Storage System User Manual SNMP Configuration SNMP version is V2(v2c) by default. Enter User Name, Linkman, and Physical addr. Click OK to save the settings. 8.5.3 Network Test Purpose: You can test the network communication between the storage system with any other IP addresses. Steps: Go to System >...

  • Page 75: View Service Status

    Storage System User Manual Enter storage system name. Click Modify to activate the new host name. 8.5.5 View Service Status Purpose: Service status is listed in . You can enable, disable, or restart the services. Steps:  Click Enable to start the service isn’t running. ...

  • Page 76: Chapter 9 Log System

    Storage System User Manual Chapter 9 Log System Purpose: Table 9. 1 Module Description Module Description Log download You can download logs by downloading mode. It records the content and time of each operation. Search, download, and clear logs are Operation log supported.

  • Page 77: Performance Log

    Storage System User Manual Search Log To search by time, enter date and time you want to search in Search. To search by log type, select log type. Choose log type as All, Information, Warning, Error, or Serious. Click Search. Logs meet the search conditions would be listed. ...

  • Page 78: Chapter 10 Software Download

    Storage System User Manual Update Log Chapter 10 Software Download There are software tools to download for device maintenance. Click Use Help to download software as you required. For example, Centralized Management Software is mainly used to get device running status. Software Download...
  • Page 79 Storage System User Manual UD32568B...

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