Oracle ASM Rebalance
鐗规�ф祬瑙?/p>
ASM
鍔ㄦ�侀噸鏂板钩琛＄壒鎬?/p>
鍦?/p>
ASM
鐜涓紝鏈変竴涓噸瑕佺殑鐗规�у彨鍋氬姩鎬侀噸鏂板钩琛★紙
Rebalancing
锛?/p>
锛屽嵆褰?/p>
ASM
闇�瑕佸鍔犵鐩?
绌洪棿鏃讹紝鍙皢鏂扮殑纾佺洏璁惧娣诲姞鍒扮鐩樼粍锛?/p>
ASM
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鐩樼Щ鍔ㄥ埌鏂扮殑纾佺洏锛屼粠鑰岀淮鎸佹墍鏈夌鐩樹箣闂存暣浣撶殑
I/O
骞宠 銆?/p>
杩欑鐗规�т篃鎻愪緵浜嗗皢鏁翠釜鏁版嵁搴撲粠涓�缁勮緝鎱㈢殑纾佺洏杩佺Щ鍒颁竴缁勮緝蹇鐩樼殑杩佺Щ鏂规硶锛岃�屼笖鏁翠釜
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褰撻噸鏂板钩琛℃搷浣滃畬鎴愬悗锛?/p>
鎴戜滑鍙互鍓旈櫎杈冩參鐨勭鐩樼粍锛?/p>
淇濈暀杈冨揩纾佺洏鐨?/p>
纾佺洏缁勶紝浠庤�屽畬鎴愯仈鏈虹姸鎬佷笅鐨勬暟鎹縼绉汇�?/p>
鍔ㄦ�侀噸鏂板钩琛¤Е鍙戞潯浠?/p>
Rebalancing
瑙﹀彂鏉′欢锛?/p>
褰?/p>
ASM
闇�瑕佹敼鍙樼鐩樼殑閰嶇疆鏃讹紝
姣斿寰�
ASM
褰撳墠纾佺洏缁勪腑娣诲姞鏂扮殑纾佺洏
鎴愬憳锛?/p>
alter diskgroup data add disk '/dev/raw/raw7';
锛?/p>
锛屽垹闄ゆ晠闅滅粍鐨勭鐩橈紙
alter diskgroup
data drop disk 'name';
锛?/p>
锛屾坊鍔犳柊鐨勭鐩樼粍鎴栬�呭垹闄ゆ棫鐨勭鐩樼粍绛夌瓑锛屽彧瑕佸綋鏁版嵁搴撹仈鏈哄苟涓旂敤鎴?/p>
姝ｅ湪浣跨敤璇ユ暟鎹簱鏃讹紝閮藉皢瑙﹀彂
ASM
杩涜鍔ㄦ�佺殑閲嶆柊骞宠 銆?/p>
褰撶劧涔熷彲浠ラ�氳繃鏇存敼
ASM
鍒濆鍙傛暟
ASM_POWER_LIMIT
鐨勫�兼垨浣跨敤
ALTER DISKGROUP REBALANCE
POWER
锛?/p>
鍙帶鍒剁鐩橀噸骞宠 鐨勯�熷害鍙婂杩愯鏁版嵁搴?/p>
I/O
鐨勫奖鍝嶃�?/p>
11.2.0.2
鐗堟湰浠ヤ笂锛?/p>
ASM_POWER_LIMIT
鍜?/p>
POWER
鐨勫彇鍊艰寖鍥存槸
0-1024
锛屾暟鍊艰秺澶у苟鍙戣秺楂橈紝閲嶅钩琛￠�熷害涔熻秺蹇紝鍚庡彴
I/O
娑堣�楄秺澶с�?/p>
浣跨敤
ASM_POWER_LiMIT
璋冩暣
rebalance
骞跺彂锛?/p>
asm_power_limit
榛樿鍊间负
1
锛?/p>
鑻ヨ缃?/p>
0
锛?/p>
鍒欎负绂?/p>
姝?/p>
rebalancing
銆?/p>