{"updated":"2025-01-19T16:43:07.303845+00:00","metadata":{"_oai":{"id":"oai:ipsj.ixsq.nii.ac.jp:00075236","sets":["6394:6400:6474"]},"path":["6474"],"owner":"13","recid":"75236","title":["クラウドコンピューティング環境におけるHDD故障率モデルの提案"],"pubdate":{"attribute_name":"公開日","attribute_value":"2011-07-15"},"_buckets":{"deposit":"01497d61-ee45-4f0b-9f9b-76309cd23193"},"_deposit":{"id":"75236","pid":{"type":"depid","value":"75236","revision_id":0},"owners":[13],"status":"published","created_by":13},"item_title":"クラウドコンピューティング環境におけるHDD故障率モデルの提案","author_link":["549651","549649","549650"],"item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"クラウドコンピューティング環境におけるHDD故障率モデルの提案"}]},"item_keyword":{"attribute_name":"キーワード","attribute_value_mlt":[{"subitem_subject":"一般投稿論文","subitem_subject_scheme":"Other"}]},"item_type_id":"21","publish_date":"2011-07-15","item_language":{"attribute_name":"言語","attribute_value_mlt":[{"subitem_language":"jpn"}]},"item_21_text_3":{"attribute_name":"著者所属","attribute_value_mlt":[{"subitem_text_value":"日本電信電話株式会社"},{"subitem_text_value":"日本電信電話株式会社"},{"subitem_text_value":"日本電信電話株式会社"}]},"item_publisher":{"attribute_name":"出版者","attribute_value_mlt":[{"subitem_publisher":"情報処理学会","subitem_publisher_language":"ja"}]},"publish_status":"0","weko_shared_id":-1,"item_file_price":{"attribute_name":"Billing file","attribute_type":"file","attribute_value_mlt":[{"url":{"url":"https://ipsj.ixsq.nii.ac.jp/record/75236/files/IPSJ-DP0203013.pdf","label":"IPSJ-DP0203013"},"date":[{"dateType":"Available","dateValue":"2021-12-07"}],"format":"application/pdf","billing":["billing_file"],"filename":"IPSJ-DP0203013.pdf","filesize":[{"value":"1.6 MB"}],"mimetype":"application/pdf","priceinfo":[{"tax":["include_tax"],"price":"0","billingrole":"5"},{"tax":["include_tax"],"price":"0","billingrole":"6"},{"tax":["include_tax"],"price":"0","billingrole":"44"}],"accessrole":"open_date","version_id":"cab74e68-b1f5-42fe-a65d-332159213748","displaytype":"detail","licensetype":"license_note","license_note":"Copyright (c) 2011 by the Information Processing Society of Japan"}]},"item_21_creator_5":{"attribute_name":"著者名","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"樋渡仁"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"岩村相哲"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"新井克也"}],"nameIdentifiers":[{}]}]},"item_resource_type":{"attribute_name":"資源タイプ","attribute_value_mlt":[{"resourceuri":"http://purl.org/coar/resource_type/c_6501","resourcetype":"journal article"}]},"item_21_source_id_9":{"attribute_name":"書誌レコードID","attribute_value_mlt":[{"subitem_source_identifier":"AA1245124X","subitem_source_identifier_type":"NCID"}]},"item_21_description_7":{"attribute_name":"論文抄録","attribute_value_mlt":[{"subitem_description":"本論文では，我々のクラウドコンピューティング環境において，多数のHDDが故障した事例を取り上げ，故障実績を調査した．この故障実績をもとに，HDDの寿命分布を求め，代表的な寿命分布をあてはめた．赤池の情報量基準（AIC）を用い，適合度を評価すると，ワイブル分布（形状母数α=1.508）が最も良くあてはまることが分かった．この結果から，交換用HDDの必要数を推定する手法を提案した．さらに，RAIDコントローラが保持するHDDの状態とHDDの平均寿命について調査した．コマンド中断数，メディア故障数，接続失敗数とHDDの平均寿命に有意な相関関係があり，幾つかの仮定の下で我々のHDDの故障物理が速度過程モデルに従うことが分かった．この結果から，メンテナンス時にHDDの余命を推定し，予防的に交換する手法を提案した．","subitem_description_type":"Other"}]},"item_21_biblio_info_10":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicPageEnd":"234","bibliographic_titles":[{"bibliographic_title":"デジタルプラクティス"}],"bibliographicPageStart":"227","bibliographicIssueDates":{"bibliographicIssueDate":"2011-07-15","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"3","bibliographicVolumeNumber":"2"}]},"relation_version_is_last":true,"weko_creator_id":"13"},"created":"2025-01-18T23:32:25.994045+00:00","id":75236,"links":{}}