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Administrator Guide 15

OceanStor 5300 V3, 5500 V3, 5600 V3, 5800 V3, and 6800 V3 Storage System V300R003

Routine maintenance activities are the most common activities for the storage device, including powering on or off the storage device, managing users, modifying basic parameters of the storage device, and managing hardware components. This document applies to the system administrators who are responsible for carrying out routine maintenance activities, monitoring the storage device, and rectifying common device faults.
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Exporting System Data Using DeviceManager

Exporting System Data Using DeviceManager

Periodically export the system data of a storage system and save it in a safe place. This helps you know the operating status of the storage system and prevent the damage to the storage system caused by system faults and unexpected disasters. When a system failure occurs, the exported system data can be used to locate and analyze the failure. The system data to be exported includes running data, system logs and disk logs.

Context

  • Running data indicates the real-time running status of a storage system, such as, the configuration information of LUN. The running data file is in *.txt format.
  • System logs record the information about the running data, events, and debugging operations on a storage system and can be used for analyzing the running status of the storage system. The system log file is in *.tgz format.
  • DHA runtime log is the daily runtime log of disk. It mainly includes daily disk health status and I/O information. The DHA runtime log file is in *.tgz format.
    • DHA logs collect the SMART/LogPage (collected at 2 o'clock in the morning) and I/O statistics (collected every two hours) and generate a package (1 KB) each day. A disk on a single controller can generate a maximum of 74 packages within a year (some old log packages will be deleted during the collection). Packages of a disk on a single controller and an information file will be exported each time.
    • Recommended times of export during routine maintenance are listed in the following table. The analysis of DHA logs are only performed on samples instead of all logs. To prevent the analysis of DHA logs from affecting the entire routine maintenance, take the recommended values only for reference.

      Disk Quantity in an Array

      Maximum Times of Export During an Inspection

      0 to 200

      <= 3

      200 to 500

      <= 4

      500 to 1000

      <= 5

      1000 to 2000

      <= 6

      >2000

      <= 6

  • HSSD log is working log of HSSD, such as, the S.M.A.R.T information of disk. The HSSD log file is in *.tgz format.

Before the download of system logs, DHA runtime logs, or HSSD logs, the system collects those logs of controllers and shows the collection progress. After all logs are collected, you can download your desired logs.

After the system starts collecting system logs, DHA run logs, or HSSD logs, you need to wait for five minutes or download all the collected logs before you collect and download other logs.

Procedure

  1. Log in to DeviceManager.
  2. Choose Settings > Export Data.
  3. Export data.
    • In Running Data area, click Download. Confirm the information in the security alert dialog box,select I have read and understand the consequences associated with performing this operation.. and click OK.

      The system running data is exported.

    • In System Log area, select Recent logs or All logs, and click Log List. Confirm the information in the security alert dialog box and select I have read and understand the consequences associated with performing this operation.. and click OK.

      The system starts collecting logs and expands the log list.

    • In Disk Log area, click DHA Runtime Log List. Confirm the information in the security alert dialog box and select I have read and understand the consequences associated with performing this operation.. and click OK.

      The system starts collecting logs and expands the log list.

    • In Disk Log area, click HSSD Log List. Confirm the information in the security alert dialog box and select I have read and understand the consequences associated with performing this operation.. and click OK.

      The system starts collecting logs and expands the log list.

    NOTE:
    • In the System Log area, if Recent logs is selected, the system exports recent logs that have been generated by the current point in time. The logs include the latest one power-on and power-off log and a maximum of six messages logs. If All logs is selected, the system exports all logs on the current node. Note that historical messages logs are saved to the /OSM/coffer_log/log/his_debug directory.
    • If you export the data using the Internet Explorer browser with the default settings, the data will be saved in the download path which the user has selected. For example, you can choose Save > Save as the displayed file download dialog box and select the download path in Internet Explorer 9 browser.
    • If you export the data using the Firefox browser with the default settings, the data will be saved in the default download path of the browser. You can choose Tools > Options and click the General > Browser in the Options dialog box to view the default download path.
    • If you export the data using the Google Chrome browser with the default settings, the data will be saved in the default download path of the browser. You can choose Customize and Control Google Chrome > Settings and view the default download path in the Download Content area of the Settings page.
    • When using Chrome to export for the first time, click Allow if the This site is attempting to download multiple files. Do you want to allow this message? message is displayed. Otherwise, at the upper right corner of the browser, choose Customise and control Google Chrome > Settings > Privacy > Content Settings... > Automatic downloads > Manage exceptions, select Allow in Behaviour, and click Finished. Then, reopen the web page and you can successfully download multiple files. Alternatively, delete Block from Behaviour and click Finished. Then, reopen the web page again and you can download multiple files. In such a case, a message asking whether to allow multiple files to be downloaded will be displayed.

  4. Click Close.
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Updated: 2019-04-17

Document ID: EDOC1000084191

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