Netsoftmate

Tag: ODA Small

  • Oracle Database Appliance Odacli & Odaadmcli Utilities

    Oracle Database Appliance consists of two physical servers (Node 0 and Node 1), a storage shelf and optionally an additional storage shelf. The two independent physical servers are interconnected and direct attached to SAS and SSD storage.


    ODA is basically a 2-node RAC cluster database system running Oracle Linux operating (OEL), Oracle Database Enterprise Edition, Oracle Grid Infrastructure (Clusterware and ASM). All these together provides the Oracle Database high availability running on ODA.


    In 2016, Oracle added 3 new models to expand Oracle Database Appliance portfolio. These 3 new models are:



    • Oracle Database Appliance X6-2S (single-instance database)
    • Oracle Database Appliance X6-2M (single-instance database)
    • Oracle Database Appliance X6-2L (single-instance database)
    The High Available ODA x6-2 is now known as X6-2 HA which consists of 2 nodes and a storage shelf and optionally an additional storage shelf.

    Courtesy Oracle

    The Oracle Database Appliance X6-2 model family offers the lowest hardware price for an Oracle Engineered System. Combined with flexible Oracle Database software licensing, the Oracle Database Appliance X6-2 model family brings Oracle Engineered Systems to within reach of every organization.




    In October 2017, Oracle announced Oracle Database Appliance X7-2 (Small, Medium and HA). ODA X7-2 comes with more computing resources compared with X6-2 Models.



    • Oracle Database Appliance X7-2S (single-instance database)
    • Oracle Database Appliance X7-2M (single-instance database)
    • Oracle Database Appliance X7-2 HA
    Courtesy Oracle

    Note: With ODA x7-2, looks like the ODA Large configuration is discontinued.



    In this article we will demonstrate several different odacli and odaadmcli commands along with output that can be used to manage and administer an Oracle Database Appliance Small, Medium and Large models.




    ODACLI: It is used for Hardware and administrative tasks on the Oracle Database Appliance, Example: Hardware monitoring and Storage Configuration





    ODAADMICLI: It is used for everyday task on the Oracle Database Appliance, Example: Database Creation, Patches and upgrades, Job creation and manage and so on





    ODACLI Commands


    • To display list of commands and options that can be used with odacli  execute the following command
    [root@odanode1 ~]# odacli -h
    odacli <command> <options>
    Commands list (use –help option for help on any command):
            appliance:
                    create-appliance
                    describe-appliance
            asr:
                    configure-asr
                    delete-asr
                    describe-asr
                    test-asr
                    update-asr
            component:
                    describe-component
            cpucore:
                    describe-cpucore
                    list-cpucores
                    update-cpucore
            credential:
                    set-credential
            database:
                    create-database
                    delete-database
                    describe-database
                    list-databases
                    register-database
            dbhome:
                    create-dbhome
                    delete-dbhome
                    describe-dbhome
                    list-dbhomes
                    update-dbhome
            dbstorage:
                    create-dbstorage
                    delete-dbstorage
                    describe-dbstorage
                    list-dbstorages
            dcsagent:
                    update-dcsagent
            job:
                    describe-job
                    list-jobs
            latestpatch:
                    describe-latestpatch
            network:
                    create-network
                    delete-network
                    describe-network
                    list-networks
                    update-network
            networkinterface:
                    describe-networkinterface
                    list-networkinterfaces
            repository:
                    update-repository
            server:
                    update-server
         
    • To describe ODA execute the following command
    [root@odanode1 ~]# odacli describe-appliance


    Appliance Information



    —————————————————————-
                         ID: 9aef262c-xxxx-xxxx-xxxx-0d877c03d762
                   Platform: ODA
            Data Disk Count: 2
             CPU Core Count: 10
                    Created: May 23, 2017 3:08:03 AM CST


    System Information



    —————————————————————-
                       Name: odanode
                Domain Name: netsoftmate.com
                  Time Zone: Asia/Pacific
                 DB Edition: EE
                DNS Servers: 10.1.1.1
                NTP Servers: ntp1.netsoftmate.com


    Disk Group Information



    —————————————————————-
    DG Name                   Redundancy                Percentage
    ————————- ————————- ————
    Data                      Normal                    80
    Reco                      Normal                    20



     Options:


        –details, -d
           Detail Info

    • To describe ODA in details execute the following command
    [root@odanode1 ~]# odacli describe-appliance -d


    Appliance Information



    —————————————————————-
                         ID: 9aef262c-xxxx-xxxx-xxxx-0d877c03d762
                   Platform: ODA
            Data Disk Count: 2
             CPU Core Count: 10
                    Created: May 23, 2017 3:08:03 AM CST


    System Information



    —————————————————————-
                       Name: odanode
                Domain Name: netsoftmate.com
                  Time Zone: Asia/Pacific
                 DB Edition: EE
                DNS Servers: 10.1.1.1
                NTP Servers: ntp1.netsoftmate.com


    Disk Group Information



    —————————————————————-
    DG Name                   Redundancy                Percentage
    ————————- ————————- ————
    Data                      Normal                    80
    Reco                      Normal                    20


    DcsCli Details



    —————————————————————-
                    Version: 12.1.2.10-SNAPSHOT
                BuildNumber: jenkins-ol-dcs-cli-release-13
                  GitNumber: f91373b8574e383e033301d82b8424115350d065
                  BuildTime: null


    DcsAgent Details



    —————————————————————-
                    Version: 12.1.2.10-SNAPSHOT
                BuildNumber: jenkins-ol-dcs-agent-release-31
                  GitNumber: fb8b1776013457d4d80d7acac3ad96fa5ca52327
                  BuildTime: null


    • To list ASR details execute the following command
    [root@odanode1 ~]# odacli describe-asr


    ASR details



    —————————————————————-
                         ID: b8606dd5-99b4-xxxx-aabd-be8cd422754c
                       Name: ASR
                   ASR Type: Internal
    External ASR Manager IP :
                   UserName: john.smith@example.com
            ProxyServerName: www-proxy.example.com
                  ProxyPort: 80
              ProxyUserName:
                SnmpVersion: V3
                      State: Configured
                    Created: May 23, 2017 3:08:03 AM CST
                    Updated: May 23, 2017 3:42:43 AM CST


    Options :



    –json, -j
      json output


    • To list CPU Cores execute the following command
    [root@odanode1 ~]# odacli list-cpucores


    Node  Cores  Modified                       Job Status



    —– —— —————————— —————
    0     10     May 23, 2017 10:58:52 AM CST   Configured


      Options:

        –json, -j


           json output


    • To list all the job configured and to check their status execute the following command
    [root@odanode1 ~]# odacli list-jobs


    ID                                       Description                                                                 Created                             Status



    —————————————- ————————————————————————— ———————————– ———-
    65b60824-cb18-4fec-bdec-baf7e440efc9     Provisioning service creation                                               May 23, 2017 3:08:03 AM CST         Success
    74d38c8e-98aa-4ff3-9b04-ef96bdfd35bd     Database service deletion with db name: demodb1 with id : c0cdc82d-02e5-4980-9952-36b6d4adf28a May 23, 2017 4:01:02 PM CST         Success
    26de75bb-e525-4356-9828-6056d55b5f56     Database Home OraDB12102_home1 Deletion with id 8f5944b1-e953-4c78-89f4-ba4daa8110ca May 23, 2017 4:04:59 PM CST         Success


      Options:


        –json, -j



           json output
             
    • To list the patches for all the ODA components execute the following command
    [root@odanode1 ~]# odacli describe-latestpatch


    componentType   availableVersion



    ————— ——————–
    gi              12.1.0.2.170117
    db              11.2.0.4.161018
    db              12.1.0.2.170117
    oak             12.1.2.10.0
    ilom            3.2.8.24.r114611
    os              6.8
    bios            38070000


    Options :
        –json, -j
           json output


    • To list all the network details execute the following command
    [root@odanode1 ~]# odacli list-networks


    ID                                       Name                 NIC        IP Address         Subnet Mask        Gateway



    —————————————- ——————– ———- —————— —————— ——————
    49976a55-4e1a-440a-94c3-289b69d9afcc     Private-network      priv0      192.168.16.24      255.255.255.240
    219953e6-3473-46f9-b21b-53e89bc8cf49     Public-network       btbond1.198 10.10.10.18      255.255.255.0      10.1.1.2


    • To list all the network interfaces execute the following command
    [root@odanode1 ~]# odacli list-networkinterfaces


    ID                                       Name                 NIC           Type



    —————————————- ——————– ————- ———-
    724e42a6-c9f7-xxxx-9e34-7b0952f8e3e1     btbond1              btbond1       Bond
    543aba2a-0cb0-xxxx-b23a-3f035aa401c0     btbond1.198          btbond1.198   Bond
    18933aa5-b02d-xxxx-a31b-5ad988d6396b     em1                  em1           Physical
    ce059f61-7529-xxxx-9cd4-ef94fdd3ec54     em2                  em2           Physical
    2622ea10-508a-xxxx-86a8-351fe0a58e6f     p3p1                 p3p1          Physical
    8ddd6b36-ff32-xxxx-9d1f-a90c14216bf7     p3p2                 p3p2          Physical
    f03a424e-8c7e-xxxx-901f-3b81f9642cfa     sfpbond1             sfpbond1      Bond





    ODAADMCLI Commands


    • To display list of commands and options that can be used with odaadmcli execute the following command
    [root@odanode1 ~]# odaadmcli -h
    Usage:  odaadmcli <command> <object> [<options>]
            commands: show|manage|stordiag|power|expand
            objects : disk|diskgroup|controller|server|processor|memory|iraid|power|cooling|network|storage|fs|raidsyncstatus|env_hw


    Usage:  odaadmcli show       – Shows disk, diskgroup, controller, server, processor, memory, iraid, power, cooling, network, storage, fs, raidsyncstatus, env_hw



            odaadmcli manage     – Manages the OAK repository, diagcollect etc.,
            odaadmcli stordiag   – Run storage diagnostic tool on this Node
            odaadmcli power      – Power on|off|status disk
            odaadmcli expand     – Expand storage


    • To display list of commands and options that can be used with odaadmcli show execute the following command
    [root@odanode1 ~]# odaadmcli show -h
    Usage:
    odaadmcli show {disk|diskgroup|fs|raidsyncstatus|controller|storage|env_hw|server|processor|memory|iraid|power|cooling|network} [<options>]
    where:
            disk                     – About the disk
            diskgroup                – ASM disk group
            fs                       – Filesystem
            controller               – Controller
            storage                  – All storage components
            env_hw                   – Environment and Hardware information
            server                   – Details of server sub-system
            processor                – Details of processor sub-system
            memory                   – Details of memory sub-system
            iraid                    – Details of internal RAIDs sub-system
            power                    – Details of power supply sub-system
            cooling                  – Details of cooling sub-system
            network                  – Details of network sub-system
            raidsyncstatus           – RAID sync status information
    For detailed help on each command and object and its options use:
    odaadmcli <command> <object> -h


    • To list local disk on compute node execute the following command
    [root@odanode1 ~]# odaadmcli show disk
            NAME            PATH            TYPE            STATE           STATE_DETAILS


            pd_00           /dev/nvme0n1    NVD             ONLINE          Good



            pd_01           /dev/nvme1n1    NVD             ONLINE          Good


    • To list all shared disk execute the following command
    [root@odanode1 ~]# odaadmcli show disk -shared
            NAME            PATH            TYPE            STATE           STATE_DETAILS


            pd_00           /dev/nvme0n1    NVD             ONLINE          Good



            pd_01           /dev/nvme1n1    NVD             ONLINE          Good


    • To list ASM Disk Groups execute the following command 
    [root@odanode1 ~]# odaadmcli show diskgroup
    DiskGroups
    ———-
    DATA
    RECO


    • To list details of an ASM Disk Group execute the following command
    [root@odanode1 ~]# odaadmcli show diskgroup DATA
            ASM_DISK        PATH                                            DISK            STATE           STATE_DETAILS


            data_00         /dev/NVD_S00_S2LHNA0HC05601p1                   pd_00           ONLINE          Good



            data_01         /dev/NVD_S01_S2LHNA0HC05809p1                   pd_01           ONLINE          Good



    [root@odanode1 ~]# odaadmcli show diskgroup RECO


            ASM_DISK        PATH                                            DISK            STATE           STATE_DETAILS


            reco_00         /dev/NVD_S00_S2LHNA0HC05601p2                   pd_00           ONLINE          Good



            reco_01         /dev/NVD_S01_S2LHNA0HC05809p2                   pd_01           ONLINE          Good


    • To list file system details execute the following command
    [root@odanode1 ~]# odaadmcli show fs
          Type     Total Space      Free Space  Total DG Space   Free DG Space  Diskgroup Mount Point
          ext3          30109M          13215M               –               –            /
          ext3            476M            405M               –               –            /boot
          ext3          60347M          43274M               –               –            /opt
          ext3         302252M         235296M               –               –            /u01
          acfs           5120M           5071M        4894016M          70220M       DATA /opt/oracle/dcs/commonstore
          acfs        2406400M        1699624M        4894016M          70220M       DATA /u02/app/oracle/oradata/datastore
          acfs         306176M         292685M        1231176M          14372M       RECO /u01/app/oracle/fast_recovery_area/datastore
          acfs         302080M         294707M        1231176M          14372M       RECO /u01/app/oracle/oradata/datastore


    • To list storage details execute the following command
    [root@odanode1 ~]# odaadmcli show storage
    ==== BEGIN STORAGE DUMP ========
    Host Description: Oracle Corporation:ORACLE SERVER X6-2
    Total number of controllers: 2
            Id          = 0
            Pci Slot    = 10
            Serial Num  = xxxxxxxxxx
            Vendor      = Samsung
            Model       = MS1PC2DD3ORA3.2T
            FwVers      = KPYABR3Q
            strId       = nvme:19:00.00
            Pci Address = 19:00.0

            Id          = 1



            Pci Slot    = 11
            Serial Num  = xxxxxxxxxxx
            Vendor      = Samsung
            Model       = MS1PC2DD3ORA3.2T
            FwVers      = KPYABR3Q
            strId       = nvme:1b:00.00
            Pci Address = 1b:00.0



    Total number of expanders: 0


    Total number of PDs: 2
            /dev/nvme0n1    Samsung           NVD 3200gb slot:  0  pci : 19
            /dev/nvme1n1    Samsung           NVD 3200gb slot:  1  pci : 1b
    ==== END STORAGE DUMP =========


    • To ODA hardware details execute the following command
    [root@odanode1 ~]# odaadmcli show env_hw
    BM ODA X6-2 Small


    • To list ODA server details execute the following command
    [root@odanode1 ~]# odaadmcli show server


            Power State              : On



            Open Problems            : 0
            Model                    : ODA X6-2S
            Type                     : Rack Mount
            Part Number              : ODA X6-2S
            Serial Number            : xxxxxxxxx
            Primary OS               : Not Available
            ILOM Address             : 10.10.10.11
            ILOM MAC Address         : 00:10:E0:BF:1C:38
            Description              : Oracle Database Appliance X6-2 Small xxxxxxx
            Locator Light            : Off
            Actual Power Consumption : 135 watts
            Ambient Temperature      : 27.000 degree C
            Open Problems Report     : System is healthy


    • To check processor status the following command
    [root@odanode1 ~]# odaadmcli show processor


            NAME  HEALTH HEALTH_DETAILS PART_NO. LOCATION   MODEL                         MAX_CLK_SPEED TOTAL_CORES ENABLED_CORES




            CPU_0 OK     –              060F     P0 (CPU 0) Intel(R) Xeon(R) CPU E5-2630  2.200 GHz       10        NA


           
    • To check Memory status execute the following command
    [root@odanode1 ~]# odaadmcli show memory


            NAME    HEALTH HEALTH_DETAILS PART_NO.         SERIAL_NO.         LOCATION MANUFACTURER MEMORY_SIZE CURR_CLK_SPEED ECC_Errors




            DIMM_0  OK     –              3A4K40BB1-CRC    00CE02164433E98884 P0/D0    Samsung      32 GB       2400 MHz       0


            DIMM_11 OK     –              3A4K40BB1-CRC    00CE02164433E986FB P0/D1    Samsung      32 GB       2400 MHz       0
            DIMM_3  OK     –              3A4K40BB1-CRC    00CE02164433E9863B P0/D3    Samsung      32 GB       2400 MHz       0
            DIMM_8  OK     –              3A4K40BB1-CRC    00CE02164433E98689 P0/D8    Samsung      32 GB       2400 MHz       0


    • To check raid status execute the following command
    [root@odanode1 ~]# odaadmcli show iraid


            NAME     CTRL# PRODUCT                  SERIAL_NO     BIOS_VER                      FW_VER         VDISK_TYPE   VDISK_STATE  PDISK_MODEL         EID:SLT  PDISK_STATE SIZE  




    CV_MODEL CV_STATE CV_TEMP


            IR_0_0_0 0     LSI MegaRAID 9361-8i     SV62214495    6.17.04.2_4.16.08.00_0x06060A 4.230.40-3739  RAID1        Optl         MS4SC2JH2ORA480G    252:0    Onln        446.102 GB



    CVPM02   Optimal  27C
            IR_0_0_1 0     LSI MegaRAID 9361-8i     SV62214495    6.17.04.2_4.16.08.00_0x06060A 4.230.40-3739  RAID1        Optl         MS4SC2JH2ORA480G    252:1    Onln        446.102 GB
    CVPM02   Optimal  27C
           
    • To check power status execute the following command
    [root@odanode1 ~]# odaadmcli show power


            NAME            HEALTH HEALTH_DETAILS PART_NO. SERIAL_NO.         LOCATION INPUT_POWER OUTPUT_POWER INLET_TEMP      EXHAUST_TEMP




            Power_Supply_0  OK     –              7079395  476856Z+1644CE006L PS0      Present     60 watts     27.000 degree C 33.812 degree C


            Power_Supply_1  OK     –              7079395  476856Z+1644CE000A PS1      Present     56 watts     27.000 degree C 32.938 degree C


    • To check network status execute the following command
    [root@odanode1 ~]# odaadmcli show network


            NAME           HEALTH HEALTH_DETAILS LOCATION PART_NO MANUFACTURER MAC_ADDRESS        LINK_DETECTED DIE_TEMP




            Ethernet_NIC_0 OK     –              NET0     X540    INTEL        00:10:E0:BF:1C:34  yes (em1)     61.250 degree C


            Ethernet_NIC_1 OK     –              NET1     X540    INTEL        00:10:E0:BF:1C:35  yes (em2)     61.250 degree C
            Ethernet_NIC_2 –      –              NET2     X540    INTEL        90:E2:BA:D9:7D:B9  no (p3p2)     –
            Ethernet_NIC_3 –      –              NET3     X540    INTEL        90:E2:BA:D9:7D:B8  no (p3p1)     –








    Conclusion




    In this article we have learned about Oracle Database Appliance X6-2 and X7-2 model family. Also we have learned how to use the odacli and odaadmcli command line utilities to manage and administer an Oracle Database Appliance.  odacli is used for Hardware and administrative tasks on the Oracle Database Appliance, Example: Hardware monitoring and Storage Configuration whereas odaadmcli is used for everyday task on the Oracle Database Appliance, Example: Database Creation, Patches and upgrades, Job creation and manage and so on.

  • Oracle Database Appliance Model Family

    Introduction


    In 2011, Oracle Introduced an entry level Engineered system known as Oracle Database Appliance (ODA). ODA is a pre-configured, highly available Oracle Database Engineered system. ODA system consists of hardware, software, storage and networking. The hardware configuration is designed to provide redundancy and protection against single points of failures in the system.

    The Oracle Database Appliance saves time and money by simplifying deployment, maintenance, and support of high availability Database solutions.

    ODA consists of two physical servers (Node 0 and Node 1), a storage shelf and optionally an additional storage shelf. The two independent physical servers are interconnected and direct attached to SAS and SSD storage.

    ODA is basically a 2-node RAC cluster database system running Oracle Linux operating (OEL), Oracle Database Enterprise Edition, Oracle Grid Infrastructure (Clusterware and ASM). All these together provides the Oracle Database high availability running on ODA.

    In 2016, Oracle added 3 new models to expand Oracle Database Appliance portfolio. These 3 new models are:

    • Oracle Database Appliance X6-2S (single-instance database)
    • Oracle Database Appliance X6-2M (single-instance database)
    • Oracle Database Appliance X6-2L (single-instance database)


    The High Available ODA x6-2 is now known as X6-2 HA which consists of 2 nodes and a storage shelf and optionally an additional storage shelf.

    The Oracle Database Appliance X6-2 model family offers the lowest hardware price for an Oracle Engineered System. Combined with flexible Oracle Database software licensing, the Oracle Database Appliance X6-2 model family brings Oracle Engineered Systems to within reach of every organization.

    In October 2017, Oracle announced Oracle Database Appliance X7-2 (Small, Medium and HA). ODA X7-2 comes with more computing resources compared with X6-2 Models.

    • Oracle Database Appliance X7-2S (single-instance database)
    • Oracle Database Appliance X7-2M (single-instance database)
    • Oracle Database Appliance X7-2 HA 


    Note: With ODA X7-2, looks like the ODA X7-2 Large configuration is discontinued.

    Oracle Database Appliance X7-2 Small specification

    • One server 
    • 1 Intel Xeon processor, 10 Cores
    • 192GB Physical memory expandable upto 384GB 
    • Choice of 10GBase-T or 10/25 GbE SFP28 public networking
    • 12.8TB NVMe raw storage


    Oracle Database Appliance X7-2 Medium specification

    • One server 
    • 2 Intel Xeon processor, 36 Cores
    • 384 GB Physical memory expandable upto 768GB 
    • Choice of 10GBase-T or 10/25 GbE SFP28 public networking
    • 12.8 TB NVMe raw storage with optional expansion to 51.2 TB NVMe raw storage


    Oracle Database Appliance X7-2 HA specification

    • 32 cores per server (72 cores in total for 2 servers)
    • 384 GB physical memory per server expandable upto 1.5TB (768 GB memory in total for 2 servers)
    • Storage Shelf
    • High Capacity: 150 TB HDD raw capacity per shelf
    • High Performance: 64 TB SDD raw capacity per shelf
    • 3.2 TB raw capacity for redo log storage per shelf
    • Choice of 10GBase-T or 10/25 GbE SFP28 public networking


    The following picture shows the Oracle Database Appliance X6 and X7 Model Family Details





    Conclusion

    In this blog we have learned about Oracle Database Appliance X6 and X7 Model Family. With the new ODA model Small, Medium and Large, the Oracle Database Appliance X6-2 and X7-2 model family brings Oracle Engineered Systems to within reach of every organization.

  • Oracle Database Appliance X7-2 Family – First Look

    Oracle Database Appliance X7-2 HA – First look


    October 2017 Oracle announced Oracle Database Appliance X7-2 (Small, Medium and HA). ODA X7-2 comes with more computing resources compared with X6-2 Models.
    Let’s take a quick look at few benefits of ODA followed by the technical specification on ODA X7-2 Small/Medium and HA.


    Benfits of ODA:

    • Software, server, storage, and networking engineered and optimized to run Oracle Database and applications.
    • Supports Oracle Database Standard Edition, Standard Edition One, Standard Edition 2, and Enterprise Edition.
    • Optimized for Cloud
    • Capacity on Demand Licensing – Reduced Cost
    • Easy Deployment and management



    Oracle Database Appliance X7-2 HA specification

    • 32 cores per server (72 cores in total for 2 servers)
    • 384 GB physical memory per server expandable upto 1.5TB (768 GB memory in total for 2 servers)
    • Storage Shelf
      • High Capacity: 150 TB HDD raw capacity per shelf
      • High Performance: 64 TB SDD raw capacity per shelf
    • 3.2 TB raw capacity for redo log storage per shelf
    • Choice of 10GBase-T or 10/25 GbE SFP28 public networking


    For more information on the technical specification loot at the ODA X7-2 HA Data Sheet at:
    http://www.oracle.com/technetwork/database/database-appliance/learnmore/odax7-2-ha-ds-3933489.pdf
    https://www.oracle.com/engineered-systems/database-appliance/x7-2-ha/index.html#ct07tabcontent2


    Oracle Database Appliance X7-2 Small specification

    • One server 
    • 1 Intel Xeon processor, 10 Cores
    • 192GB Physical memory expandable upto 384GB 
    • Choice of 10GBase-T or 10/25 GbE SFP28 public networking
    • 12.8TB NVMe raw storage



    Oracle Database Appliance X7-2 Medium specification

    • One server 
    • 2 Intel Xeon processor, 36 Cores
    • 384 GB Physical memory expandable upto 768GB 
    • Choice of 10GBase-T or 10/25 GbE SFP28 public networking
    • 12.8 TB NVMe raw storage with optional expansion to 51.2 TB NVMe raw storage



    For more information on the technical specification loot at the ODA X7-2 S/M Data Sheet at:


    http://www.oracle.com/technetwork/database/database-appliance/learnmore/odax7-2sm-ds-3933491.pdf