backup device 中文意思是什麼

backup device 解釋
備用安全裝置
  • backup : n. 后補物，替代物，備用物；支持；阻塞；【計算機】備份。2. adj. 后補的，副（手）的，替代的，備用的；支持性的；伴奏的（a back pilot 副領航員，助航員）。
  • device : n. 1. 設計，計劃；方法，手段。2. 〈pl. 〉意志，慾望。3. 謀略，策略，詭計。4. 器具，器械，設備，裝置。5. 圖案，圖樣；花樣；紋章；標記，商標；（紋章上的）題銘。
  1. This may be a local tape drive or a tape - based logical backup device created for the database

    這可能是一個為該數據庫創建的本地磁帶機或磁帶備份設備。
  2. Optimizing disk backup device performance

    優化磁盤備份設備性能
  3. Optimizing tape backup device performance

    優化磁帶備份設備性能
  4. And creates another logical backup device for backing up the log,

    的邏輯備份設備上，在更新活動執行一段時間后，將日誌備份到稱為
  5. If the backup device is heavily striped, such that the maximum write speed to the backup device greatly exceeds the speed at which it can append data to a file, then it can be appropriate to place several logical backup devices on the same stripe set

    如果將備份設備高度條帶化，以便使對備份設備的最大寫入速度遠遠超過備份設備將數據追加到文件的速度，則在相同的條帶集上放置幾個邏輯備份設備會比較合適。
  6. Although the basic paradigm for all communication, both control and data, is via tcp / ip, the door is left open for services to realize local efficiencies, such as when a backup device is attached locally or if a system happens to be on a high - speed storage - area network

    雖然所有的（包括控制和數據）通信的基本模式都是通過tcp / ip ，但服務的大門是開放著的，以便在諸如備份設備本地連接時或者系統剛好是一個高速存儲區域網時，實現本地的高效率。
  7. Usually, it is better to place each backup device on a separate disk device

    通常情況下，最好將每個備份設備放置在單獨的磁盤設備上。
  8. A bottleneck can be either the disk device containing the transaction log files or the backup device, depending on their relative speed and the number of backup devices used

    瓶頸既可能是包含事務日誌文件的磁盤設備也可能是備份設備，這取決於它們的相對速度和所使用備份設備的數量。
  9. Raw i o speed of the disk backup device affects disk backup device performance and allows sql server backup and restore performance operations to roughly scale linearly as multiple disk devices are added

    磁盤備份設備的原始i / o速度影響磁盤備份設備性能，並使sql server備份及還原性能操作得以在大體上隨添加多個磁盤設備而線性提高。
  10. For a backup to a tape backup device, the blocksize option to affect the performance of the backup operation

    在簡單恢復模式下，只允許對只讀文件組執行文件組備份。
  11. Each backup device specified in the to clause of a backup statement corresponds to a media family

    實際上，在同一個驅動器上備份到多個設備會降低性能。
  12. Media family data written by a backup operation to a backup device that is being used by a media set

    一種更新操作，更新由其他表的現有行中的外鍵列引用的主鍵值。
  13. The backup device name can be specified either as a string constant

    ）提供，則可以將該備份設備名稱指定為字元串常量（
  14. The use of raid for a disk backup device needs to be carefully considered

    對磁盤備份設備使用raid時需認真考慮。
  15. Is the logical name of the backup device created by

    數據庫要備份到的備份設備（由
  16. The writer thread writes data to the backup device

    寫入器線程將數據寫入備份設備。
  17. A writer thread is assigned to each backup device

    給每個備份設備指派讀取器/寫入器線程。
  18. After a backup device is defined as part of a stripe set, it cannot be used for a single - device backup unless format is specified

    在備份設備已定義為條帶集的組成部分后，將不能用於單個設備備份，除非指定了format 。
  19. Similarly, a backup device that contains nonstriped backups cannot be used in a stripe set unless format is specified

    同樣，一個含有非條帶備份的備份設備不能用於條帶集，除非指定了format 。
  20. Several variables affect tape backup device performance and allow sql server backup and restore performance operations to roughly scale linearly as more tape devices are added

    有四個變量影響磁帶備份設備的性能，並使sql server備份和還原性能操作隨磁帶設備的添加大致呈線性增長。
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