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鎮ㄥソ锛屾杩庝締鍒扮董搴浕瀛愬競鍫寸恫(w菐ng) 鐧婚寗 | 鍏嶈不(f猫i)娉ㄥ唺

闄ｅ垪鍗�
闁辫畝锛�2750鏅�(sh铆)闁擄細2022-02-28 15:01:27

    闄ｅ垪鍗★紙纾佺洡闄ｅ垪鍗★級鏄敤渚嗗仛RAID鐨�锛孯AID鐨勫熀鏈祼(ji茅)妲�(g貌u)鐗瑰緛灏辨槸绲勫悎锛屾崋缍�2鍊�(g猫)鎴栧鍊�(g猫)鐗╃悊纾佺洡鎴愮祫锛屽舰鎴愪竴鍊�(g猫)鍠崹(d煤)鐨勯倧杓洡銆傞櫍鍒楀崱鐨勫叏绋卞彨纾佺洡闄ｅ垪鍗� 鏄敤渚嗗仛 RAID锛堝粔鍍�(ji脿)鍐椾綑纾佺洡闄ｅ垪锛夌殑銆� 纾佺洡闄ｅ垪鏄竴绋妸鑻ュ共纭鐩ら﹨(q奴)鍕曞櫒鎸夌収涓�瀹氳姹傜祫鎴愪竴鍊�(g猫)鏁撮珨锛屾暣鍊�(g猫)纾佺洡闄ｅ垪鐢遍櫍鍒�鎺у埗鍣�绠＄悊鐨勭郴绲�(t菕ng)銆� 

绨¤堪

    闄ｅ垪鍗＄殑鍏ㄧū鍙鐩ら櫍鍒楀崱 鏄敤渚嗗仛 RAID锛堝粔鍍�(ji脿)鍐椾綑纾佺洡闄ｅ垪锛夌殑銆�

    纾佺洡闄ｅ垪鏄竴绋妸鑻ュ共纭鐩ら﹨(q奴)鍕曞櫒鎸夌収涓�瀹氳姹傜祫鎴愪竴鍊�(g猫)鏁撮珨锛屾暣鍊�(g猫)纾佺洡闄ｅ垪鐢遍櫍鍒楁帶鍒跺櫒绠＄悊鐨勭郴绲�(t菕ng)銆�

    鍐椾綑纾佺洡闄ｅ垪RAID(Redundant Array of Independent Disks)鎶�琛�(sh霉)1987骞寸敱鍔犲窞澶у(xu茅)浼厠鍒╁垎鏍℃彁鍑�锛屽垵鐨勭爺鍒剁洰鐨勬槸鐐轰簡绲勫悎灏忕殑寤夊児(ji脿)纾佺洡渚嗕唬鏇垮ぇ鐨勬槀璨寸鐩�锛屼互闄嶄綆澶ф壒閲忔暩(sh霉)鎿�(j霉)瀛樺劜鐨勮不(f猫i)鐢紙鐣�(d膩ng)鏅�(sh铆)RAID绋辩偤dundant Array of Inexpensive Disks 寤夊児(ji脿)鐨勭鐩ら櫍鍒楋級锛屽悓鏅�(sh铆)涔熷笇鏈涢噰鐢ㄥ啑浣欎俊鎭殑鏂瑰紡锛屼娇寰楃鐩ゅけ鏁堟檪(sh铆)涓嶆渻浣垮皪鏁�(sh霉)鎿�(j霉)鐨勮í鍟忓彈鎼嶅け锛屽緸鑰岄枊鐧�(f膩)鍑轰竴瀹氭按骞崇殑鏁�(sh霉)鎿�(j霉)淇濊(h霉)鎶�琛�(sh霉)銆�


鍘熺悊

    RAID鐨勫熀鏈祼(ji茅)妲�(g貌u)鐗瑰緛灏辨槸绲勫悎(Striping)锛屾崋缍�2鍊�(g猫)鎴栧鍊�(g猫)鐗╃悊纾佺洡鎴愮祫锛屽舰鎴愪竴鍊�(g猫)鍠崹(d煤)鐨勯倧杓洡銆傜祫鍚堝(Striping Set)鏄寚灏囩墿鐞嗙鐩ょ祫鎹嗙秮鍦ㄤ竴濉婂厭銆傚湪鍒╃敤澶氬��(g猫)纾佺洡椹�(q奴)鍕曞櫒鏅�(sh铆)锛岀祫鍚堣兘澶犳彁渚涙瘮鍠��(g猫)鐗╃悊纾佺洡椹�(q奴)鍕曞櫒鏇村ソ鐨勬�ц兘鎻愬崌銆�

    鏁�(sh霉)鎿�(j霉)鏄互濉�(Chunks)鐨勫舰寮忓鍏ョ祫鍚堝涓殑锛屽鐨勫昂瀵告槸涓�鍊�(g猫)鍥哄畾鐨勫�硷紝鍦ㄦ崋缍侀亷绋嬪(sh铆)鏂藉墠灏卞凡閬稿畾銆傚灏哄鍜屽钩鍧嘔/O闇�姹傜殑灏哄涔嬮枔鐨勯棞(gu膩n)绯绘焙瀹氫簡绲勫悎濂楃殑鐗规��?锛熷仧鑶╃f锛岄伕鎿囧灏哄鐨勭洰鐨勬槸鐐轰簡澶х▼搴﹀湴鎻愰珮鎬ц兘锛屼互閬╂噳(y墨ng)涓嶅悓鐗归粸(di菐n)鐨勮▓(j矛)绠楃挵(hu谩n)澧冩噳(y墨ng)鐢ㄣ��


鍎�(y艒u)榛�(di菐n)

    纾佺洡闄ｅ垪鏈夎ū澶氬劒(y艒u)榛�(di菐n)锛氶鍏�锛屾彁楂樹簡瀛樺劜瀹归噺锛涘叾娆�锛屽鑷虹鐩ら﹨(q奴)鍕曞櫒鍙苟琛屽伐浣滐紝鎻愰珮浜嗘暩(sh霉)鎿�(j霉)鍌宠几鐜�锛涙彁渚涙牎椹�(y脿n)鍜屽啑浣�,鎻愰珮浜嗘暩(sh霉)鎿�(j霉)鐨勫畨鍏ㄦ��...

    RAID鎶�琛�(sh霉)纰哄(sh铆)鎻愪緵浜嗘瘮閫氬父鐨勭鐩ゅ瓨鍎叉洿楂樼殑鎬ц兘鎸囨(bi膩o)銆佹暩(sh霉)鎿�(j霉)瀹屾暣鎬у拰鏁�(sh霉)鎿�(j霉)鍙敤鎬�锛屽挨鍏舵槸鍦ㄧ暥(d膩ng)浠婇潰鑷ㄧ殑I/O绺芥槸婊悗浜嶤PU鎬ц兘鐨勭摱闋稿晱椤岃秺渚嗚秺绐佸嚭鐨勬儏娉佷笅锛孯AID瑙ｆ焙鏂规鑳藉鏈夋晥鍦板綄瑁�(b菙)閫欏��(g猫)缂哄彛銆�


绋

    IDE闄ｅ垪鍗� 锛屼互鍓嶄富瑕佺敤鍦ㄤ竴浜涙暩(sh霉)鎿�(j霉)閲嶈鎴栬鎺ュ緢澶氬��(g猫)纭洡鐨勬湇鍕�(w霉)鍣ㄨ垏宸ヤ綔绔欓浕鑵︿腑锛屽彲浠ユ敮鎸� RAID 0銆�1 銆�0+1銆�3銆�5銆� 鐝�(xi脿n)鍦ㄥ熀鏈笂宸茬稉(j墨ng)娣樻卑浜�銆�

    SATA闄ｅ垪鍗★紝涓昏浣滅敤浜庡ぇ瀹归噺鏁�(sh霉)鎿�(j霉)瀛樺劜銆佺恫(w菐ng)鍚�銆佹暩(sh霉)鎿�(j霉)瀹夊叏绛夋湇鍕�(w霉)鍣ㄩ牁(l菒ng)鍩�锛屽悓鏅�(sh铆)涓�浜涗綆绔崱涔熸豢瓒充簡涓�浜涘鐢ㄥ鎴剁殑闇�姹傦紝鑳藉鏀寔 RAID 0銆�1銆�0+1銆�5 銆�6銆�

    SCSI闄ｅ垪鍗� 浣跨敤鍦ㄩ珮绔伐浣滅珯鎴栬�呮槸鏈嶅嫏(w霉)鍣ㄤ腑锛屽彲浠ユ敮鎸佸緢澶氬SCSI鎺ュ彛鐨勭‖鐩�銆傝兘澶犳敮鎸丷AID 0銆�1銆�0+1銆�3銆�5 銆傞�欑ó闄ｅ垪鍗℃�ц兘寰堝ソ閫熷害寰堝揩 鐣�(d膩ng)鐒跺児(ji脿)鏍间篃姣旇純楂樸�備笉閬�锛岀従(xi脿n)鍦ㄥ熀鏈笂宸茬稉(j墨ng)娣樻卑浜�銆�

    SAS闄ｅ垪鍗� 涓昏浣跨敤鍦ㄤ竴浜涢珮绔伐浣滅珯鑸囨湇鍕�(w霉)鍣ㄤ腑锛屽凡缍�(j墨ng)鍙栦唬浜嗘様鏃ョ殑SCSI鎺ュ彛锛屽苟涓斿彲浠ュ吋瀹筍ATA鎺ュ彛纭洡锛岃兘澶犳敮鎸� RAID 0銆�1銆�0+1銆�5 銆�50銆�6銆�60銆�


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