Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
TAPE STORAGE DEVICE AND WRITING METHOD FOR SAME
Document Type and Number:
WIPO Patent Application WO/2011/161997
Kind Code:
A1
Abstract:
Disclosed is a tape writing method for small transactions. For a data set of fixed length, (step 1) a first file is written as a plurality of DSs, and the DS number and the WP number of the last DS are stored into memory as #N (DS#N) and #M (WP#M), respectively; and (step 2) into the DS which follows the last DS (DS#N, WP#M) that includes the first file, the last first and second files are packed and sequentially written in units of DSs, and into the DS which includes the second file, DS#N, DS#N+1, …, and WP#M+1 are sequentially stored into memory. (Step 3) The remainder of the first, second, and third files are packed, and with DS#N at WP#M+2, the DS#N of WP#M is appended onto, and for after the DS number of the second and third files, the remaining portion of the #N is written as following DSs as DS#N+1, DS#N+2, …, at WP#M+2. With DS#N, #N+1, #N+2, …, the WP#M+2 is stored into memory.

Inventors:
OISHI Yutaka (IBM Japan Ltd. 1623-14, Shimotsuruma, Yamato-sh, Kanagawa 02, 〒2428502, JP)
大石 豊 (〒02 神奈川県大和市下鶴間1623番地14日本アイ・ビー・エム株式会社大和事業所内 Kanagawa, 〒2428502, JP)
HIRATA Takamasa (IBM Japan Ltd. 1623-14, Shimotsuruma, Yamato-sh, Kanagawa 02, 〒2428502, JP)
平田 崇将 (〒02 神奈川県大和市下鶴間1623番地14日本アイ・ビー・エム株式会社大和事業所内 Kanagawa, 〒2428502, JP)
WATANABE Terue (IBM Japan Ltd. 1623-14, Shimotsuruma, Yamato-sh, Kanagawa 02, 〒2428502, JP)
Application Number:
JP2011/057005
Publication Date:
December 29, 2011
Filing Date:
March 23, 2011
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
INTERNATIONAL BUSINESS MACHINES CORPORATION (New Orchard Road, Armonk New York, 10504, US)
インターナショナル・ビジネス・マシーンズ・コーポレーション (10504 ニューヨーク州アーモンク ニュー オーチャード ロード New York, 10504, US)
OISHI Yutaka (IBM Japan Ltd. 1623-14, Shimotsuruma, Yamato-sh, Kanagawa 02, 〒2428502, JP)
大石 豊 (〒02 神奈川県大和市下鶴間1623番地14日本アイ・ビー・エム株式会社大和事業所内 Kanagawa, 〒2428502, JP)
HIRATA Takamasa (IBM Japan Ltd. 1623-14, Shimotsuruma, Yamato-sh, Kanagawa 02, 〒2428502, JP)
平田 崇将 (〒02 神奈川県大和市下鶴間1623番地14日本アイ・ビー・エム株式会社大和事業所内 Kanagawa, 〒2428502, JP)
International Classes:
G06F3/06; G11B20/10
Attorney, Agent or Firm:
UENO Takeshi et al. (IBM Japan Ltd. 1623-14, Shimotsuruma, Yamato-sh, Kanagawa 02, 〒2428502, JP)
Download PDF:
Claims:



 
Previous Patent: LIQUID CRYSTAL DISPLAY DEVICE

Next Patent: ORGANIC EL ELEMENT