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锛�1锛夋檪闁撳洜绱� 鑸囩‖浠朵竴妯�,杌熶欢涔熸湁MTBF銆丮TTR绛夋寚妯�銆傞櫎姝や箣澶�,閭勬湁浠ヤ笅鏅傞枔鎸囨:绯荤当(t菕ng)骞冲潎涓嶅伐浣滈枔闅旀檪闁揗TBD锛圡ean Time Between System Downs锛夈€佸钩鍧囧仠姗熸檪闁揗DT锛圡ean Down Time锛�銆�
锛�2锛夌己闄烽牷鏁�(sh霉) 鍖呮嫭杌熶欢缂洪櫡鏁�(sh霉)銆佹枃浠剁己闄锋暩(sh霉)銆佺敤鎴舵彁鍑虹殑瑁滃厖瑕佹眰鏁�(sh霉)銆�
锛�3锛夎垏杌熶欢鍙潬鎬ф湁闂滅殑鐧惧垎鐜� 闄や簡鑸囩‖浠剁浉浼肩殑鍙潬鎬�銆佸彲鐢ㄦ€�銆佸彲缍慨鎬�銆佹晠闅滅巼绛夌櫨鍒嗙巼涔嬪,閭勬湁浠ヤ笅骞剧ó鐧惧垎鐜�:
涓嶅悎鏍肩巼: 涓嶈兘绠楁晠闅滀絾鎳夐€茶鏀归€茬殑浜嬩欢鍙笉鍚堟牸浜嬩欢,瀹冪殑鍑虹従(xi脿n)鐜囧彨涓嶅悎鏍肩巼銆�
寤堕伈鐜�: 涓€闋呰姹傚湪瑕�(gu墨)瀹氭檪闁揟鍏�(n猫i)瀹屾垚鐨勪换鍕�,鐢变簬杌熶欢涓嶅彲闈�,瀵﹂殯瀹屾垚鏅傞枔鐐篢1锛屽墖瀹氱京D= T1-T鐐哄欢閬叉檪闁�,D/T鍙欢閬茬巼銆�
瑾ゆ搷浣滅巼: 閫欒垏鎿嶄綔鑰呯殑鎿嶄綔姘村钩鏈夐棞,浣嗗湪涓€瀹氱▼搴︿笂鍙嶆槧浜嗚粺浠惰鏄庢浉鏄惁娓呮,浠ュ強杌熶欢鏄惁閬╃敤浜庢搷浣�銆�
鍘熷洜涓嶆槑鐜�: 鍑虹従(xi脿n)浜嗚粺浠舵晠闅滀絾鏌ヤ笉鍑哄師鍥�,寰炶€岀劇娉曠尘姝g殑鏁呴殰鐜囧彨鍘熷洜涓嶆槑鐜�,瀹冨弽鏄犱簡杌熶欢鐨勫彲缍慨鎬с€�
鍚屾晠闅滀簨浠剁巼: 绗竴娆″嚭鐝�(xi脿n)鐨勬晠闅滃湪閲囧彇鎺柦绯炬鍚庝粛閲嶅京鍑虹従(xi脿n)鐨勫啀鐝�(xi脿n)鐜囧彨鍚屾晠闅滀簨浠剁巼銆傚畠鍙嶆槧浜嗙尘姝f帾鏂戒笉寰瑰簳銆�
鍙潬鎬х稉(j墨ng)璨荤巼: 鐐鸿粺浠跺彲闈犳€у強缍慨鎵€浠樺嚭鐨勮不鐢ㄨ垏绺借粺浠惰不鐢ㄤ箣姣斿彨鍙潬鎬х稉(j墨ng)璨荤巼銆�
锛�4锛夎粺浠舵姇鍏� 鍖呮嫭闁嬬櫦(f膩)杌熶欢鎵€娑堣€楃殑宸ユ棩鏁�(sh霉)鎴栧伐鏅傛暩(sh霉),灏嶈粺浠舵鏌ョ殑闋呯洰鏁�(sh霉),灏嶇敤鎴舵彁鍑虹殑瑕佹眰閲囧彇灏嶇瓥鐨勮不鐢ㄧ瓑銆�
锛�5锛夎粺浠剁壒鎬� 鍖呮嫭杌熶欢鏄娆¢枊鐧�(f膩)鐨勯倓鏄熀鏈鐢ㄧ殑銆佸京闆滅▼搴︺€佹婧栧寲绋嬪害銆佺祼妲嬪強瑕�(gu墨)妯″ぇ灏�銆佽粺浠剁殑澹藉懡鍛ㄦ湡绛夈€�
锛�6锛変娇鐢ㄦ柟闈㈢壒鎬� 杌熶欢浣跨敤鏂归潰鐨勭壒鎬э紙渚嬪,鍦ㄧ窔绯荤当(t菕ng)銆佸鏅傜郴绲�(t菕ng)绛夛級銆佽▓绠楁鐨勭壒榛炪€佹墍鐢ㄧ殑楂斿埗銆佽唱(zh矛)閲忔婧栫瓑銆�
2 杌熶欢鐨勮唱(zh矛)閲忔婧�
鍦ㄦ鍍呬粙绱逛互涓嬪咕绋父鐢ㄧ殑杌熶欢璩�(zh矛)閲忔寚妯�:
锛�1锛夊钩鍧囦笉宸ヤ綔闁撻殧鏅傞枔MTBD銆傝ōTv鐐鸿粺浠舵甯稿伐浣滅附鏅傞枔,d鐐虹郴绲�(t菕ng)鐢变簬杌熶欢鏁呴殰鑰屽仠姝㈠伐浣滅殑娆℃暩(sh霉),鍓囨湁 MTBD=Tv/锛坉+1锛�
锛�2锛夌郴绲�(t菕ng)涓嶅伐浣滄鏁�(sh霉)锛堝湪涓€瀹氭檪闁撳収(n猫i)锛�銆傜敱浜庤粺浠舵晠闅滃仠姝㈠伐浣�,蹇呴爤鐢辨搷浣滆€呭幓浠嬪叆鍐嶅暉鍕曟墠鑳界辜绾�(x霉)宸ヤ綔鐨勬鏁�(sh霉)銆�
锛�3锛夊钩鍧囦慨寰╂檪闁揗TTR銆傚畠鍙嶆槧浜嗗嚭鐝�(xi脿n)杌熶欢缂洪櫡鍚庨噰鍙栧皪绛栫殑鏁堢巼銆傚皪浜庡湪绶氱郴绲�(t菕ng)鑰岃█,涓€鑸姹侻TTR<2d,鏅€氱郴绲�(t菕ng)鐨凪TTR<7d銆�
锛�4锛夊钩鍧囧仠姗熸檪闁揗DT銆傜敱浜庤粺浠舵晠闅�,绯荤当(t菕ng)鍋滄宸ヤ綔鏅傞枔鐨勫潎鍊�銆傚皪浜庡湪绶氱郴绲�(t菕ng)鑰岃█,瑕佹眰MDT<10min锛屾櫘閫氱郴绲�(t菕ng)鐨凪DT<30min銆�
锛�5锛夊彲鐢ㄦ€銆傝ōTv鐐鸿粺浠舵甯稿伐浣滄檪闁�,TD鐐鸿粺浠舵晠闅滀娇绯荤当(t菕ng)涓嶅伐浣滅殑鏅傞枔,鍓囧畾缇�:
A =TV /锛圱V +TD锛�
涓婂紡涔熷彲浠ヨ〃绀虹偤
A=MTBD/锛圡TBD+MDT锛�
锛�6锛夊垵鏈熸晠闅滅巼銆備竴鑸互杌熶欢浜や粯浣跨敤鏂圭殑涓夊€嬫湀鐐哄垵鏈熸晠闅滅巼鏈�銆傚垵鏈熸晠闅滅巼浠ユ瘡100h鐨勬晠闅滄暩(sh霉)鐐哄柈浣�銆傚畠鐢ㄤ締瑭曞児杌熶欢浜や粯浣跨敤鏅傜殑璩�(zh矛)閲�,骞朵笖闋愭脯浣曟檪杌熶欢鍙潬鎬у熀鏈┅(w臎n)瀹氥€備竴鑸姹傚垵鏈熸晠闅滅巼涓嶈秴閬�1,鍗虫瘡鐧惧皬鏅備笉鍒颁竴鍊嬫晠闅�銆�
锛�7锛夊伓鐒舵晠闅滅巼銆備竴鑸互杌熶欢浜や粯绲︿娇鐢ㄦ柟鍚庣殑鍥涘€嬫湀鐐哄伓鐒舵晠闅滄湡,鍋剁劧鏁呴殰鐜囦竴鑸互姣�1000h鐨勬晠闅滄暩(sh霉)鐐哄柈浣�,瀹冨弽鏄犱簡杌熶欢铏曚簬绌�(w臎n)瀹氱媭鎱�(t脿i)涓嬬殑璩�(zh矛)閲忋€備竴鑸姹傚伓鐒舵晠闅滅巼涓嶈秴閬�1,鍗虫瘡1000h涓嶅埌涓€鍊嬫晠闅�,浜﹀嵆MTBF瓒呴亷1000h銆�
锛�8锛変娇鐢ㄦ柟瑾ょ敤鐜�銆備娇鐢ㄦ柟涓嶆寜鐓ц粺浠惰鏄庢浉绛夋枃浠堕€茶浣跨敤鎵€閫犳垚鐨勯尟瑾ゅ彨浣跨敤鏂硅鐢�銆傚湪绺戒娇鐢ㄦ鏁�(sh霉)涓�,浣跨敤鏂硅鐢ㄦ鏁�(sh霉)鎵€鍗犵殑鐧惧垎鐜囧彨鍋氫娇鐢ㄦ柟瑾ょ敤鐜�銆�
锛�9锛夌敤鎴舵彁鍑鸿鍏呰姹傛暩(sh霉)銆傚鏋滅敤鎴跺皪杌熶欢鎻愬嚭浜嗚鍏呰姹�,鍓囧弽鏄犱簡杌熶欢鐨勫姛鑳藉皻涓嶈兘鍏呭垎婊胯冻鐢ㄦ埗鐨勯渶瑕�銆傚鏋滈€欑ó鎯呮硜鍦ㄨ粺浠舵噳鐢ㄤ簡涓€娈垫檪闁撲互鍚庨牷绻佸嚭鐝�(xi脿n),鍓囪鏄庤粺浠跺凡缍�(j墨ng)閫插叆鑰佸寲鏈�,鎳夎┎闁嬬櫦(f膩)鏂扮殑杌熶欢渚嗗彇浠e畠銆備竴鑸湪鍋剁劧鏁呴殰鏈�,鐢ㄦ埗姣忔湀鎻愬嚭鐨勮姹傛暩(sh霉)涓嶆噳瓒呴亷1銆傚鏋滃钩鍧囨暩(sh霉)宸辫秴閬�1,鍓囪獚鐐鸿粺浠跺繁閫插叆鑰佸寲鏈熴€�
锛�10锛夎檿鐞嗚兘鍔�銆傝檿鐞嗚兘鍔涙湁鍚勭ó鎸囨銆備緥濡傚彲浠ョ敤姣忕閻樿檿鐞嗗灏戦亷绋嬭几鍏ヨ畩閲忋€佹洿鎻涙瘡涓€骞匔RT鐣潰闇€瑕佸咕绉掗悩绛変締琛ㄧず銆�
浠ヤ笂浠嬬垂浜嗗垎鏁f帶鍒剁郴绲�(t菕ng)鍙潬鎬ф柟闈㈢殑涓€浜涘熀鏈蹇�銆傞€欎簺姒傚康灏嶄簬姝g⒑鐞嗚В鍜屽悎鐞嗘噳鐢ㄥ垎鏁f帶鍒剁郴绲�(t菕ng)閮芥槸寰堥噸瑕佺殑銆傚洜姝ゆ垜鍊戣灏岲CS绯荤当(t菕ng)鐨勫彲闈犳€ц鍔犲挤閲嶈锛屽笇鏈涘ぇ瀹堕兘鑳藉皪DCS绯荤当(t菕ng)鐨勫畨鍏ㄥ彲闈犳€ф湁涓€鍊嬫纰虹殑浜嗚В銆�