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V9.7涓彁渚涗簡鏇寸畝鍗曟槗鐢ㄧ殑闄嶄綆楂樻按浣嶆爣璁板姛鑳姐€傚彧闇€瑕佷嬌鐢ˋLTER TABLESPACE鍛戒護灝卞彲浠ヨ揪鍒版晥鏋溿€傚悓鏃禗B2榪樻彁渚涗簡涓や釜琛ㄥ嚱鏁癕ON_GET_TABLESPACE鍜孧ON_GET_EXTENT_MOVEMENT_STATUS鏉ヨ幏鍙栧拰鐩戞帶琛ㄧ┖闂翠互鍙婃暟鎹潡縐誨姩淇℃伅銆?/div>

1.MON_GET_TABLESPACE璇硶

MON_GET_TABLESPACE--(--tbsp_name--,--member--)

tbsp_name鏄〃絀洪棿瀵硅薄錛屽鏋滄槸絀哄€鹼紝鍒欎細瀵規墍鏈夌殑琛ㄧ┖闂存搷浣溿€俶ember鐨勯粯璁よ緭鍏ユ槸-1錛屾寚褰撳墠鎴愬憳錛屽鏋滄槸-2錛屽垯鏄墍鏈夋暟鎹簱鎴愬憳銆傝繖涓嚱鏁扮殑榪斿洖鍊艱鏄?

tbsp_name:琛ㄧ┖闂村悕

tbsp_type:琛ㄧ┖闂寸被鍨?/div>

tbsp_state:琛ㄧ┖闂寸姸鎬?/div>

tbsp_used_pages:宸蹭嬌鐢ㄩ〉

tbsp_free_pages:絀洪棽欏?/div>

tbsp_total_pages:鎬婚〉

tbsp_page_top:楂樻按浣嶆爣璁伴〉

reclaimble_space_enabled:鍊?浠ｈ〃鍙洖鏀剁┖闂?/div>

select * from table(MON_GET_TABLESPACE(null,-2));

2.鑾峰彇琛ㄧ┖闂翠俊鎭?/div>

SELECT varchar(tbsp_name, 16) as tbsp_name,
       RECLAIMABLE_SPACE_ENABLED,
       TBSP_USED_PAGES,
       TBSP_FREE_PAGES,
       TBSP_PAGE_TOP
  from TABLE(MON_GET_TABLESPACE('', -2)) AS t
where t.TBSP_PAGE_TOP > t.TBSP_USED_PAGES

璇ヨ鍙ョ瓫閫夊嚭浜嗘墍鏈夐珮姘翠綅鏍囪澶т簬宸蹭嬌鐢ㄩ〉鐨勮〃絀洪棿

3.ALTER TABLESPACE 璇硶

ALTER TABLESPACE--tablespace-name----------------------------> >----+-REDUCE--+-------------------------------+--+-----------------------------+-+ | +-| database-container-clause |-+ '-| on-db-partitions-clause |-' | | +-| all-containers-clause |-----+ | | +-MAX---------------------------+ | | +-STOP--------------------------+ | | '-integer--+---------+----------' | | +-K-------+ | | +-M-------+ | | +-G-------+ | | '-PERCENT-' | +-LOWER HIGH WATER MARK--+------+--------------------------------------------+ | '-STOP-' | '----------------------------------------------------------------------------'

MAX鍙傛暟鍙互鎸囧畾鏈€澶ч檺搴︾殑闄嶄綆楂樻按浣嶆爣璁版潵閲婃斁絀洪棿銆傚湪榪愯REDUCE鍛戒護鍚庯紝鍦ㄦ暟鎹潡縐誨姩鐨勮繃紼嬩腑錛屼篃鍙互浣跨敤STOP鍙傛暟鏉ュ仠姝㈣〃絀洪棿縐誨姩銆傚鏋滄槸DMS琛ㄧ┖闂達紝鍒欓渶瑕佸厛榪愯LOWER HIGH WATER MARK瀛愬彞闄嶄綆楂樻按浣嶆爣璁幫紝鍐嶈繍琛孯EDUCE瀛愬彞閲婃斁琛ㄧ┖闂淬€傚鏋滄槸鍚敤浜嗚嚜鍔ㄥ瓨鍌ㄧ殑琛ㄧ┖闂達紝鐩存帴榪愯REDUCE瀛愬彞鍗沖彲銆?/div>

鑷姩瀛樺偍琛ㄧ┖闂?/div>

ALTER TABLESPACE REDUCE 100 M(MAX)

DMS 琛ㄧ┖闂?/div>

ALTER TABLESPACE LOWER HIGH WATER MARK ALTER TABLESPACE REDUCE (ALL CONTAINERS 10 M(MAX))

4.MON_GET_EXTENT_MOVEMENT_STATUS璇硶

MON_GET_EXTENT_MOVEMENT_STATUS--(--tbsp_name--,--member--)

tbsp_name 鏄〃絀洪棿瀵硅薄錛屽鏋滄槸絀哄€鹼紝鍒欎細瀵規墍鏈夌殑琛ㄧ┖闂存搷浣溿€俶ember 鐨勯粯璁よ緭鍏ユ槸 -1錛屾寚褰撳墠鎴愬憳錛屽鏋滄槸 -2錛屽垯鏄墍鏈夋暟鎹簱鎴愬憳銆傝繖涓嚱鏁扮殑榪斿洖鍊艱鏄?

tbsp_name:琛ㄧ┖闂村悕

tbsp_id:琛ㄧ┖闂磇d

member:鎴愬憳

current_extent:褰撳墠姝ｅ湪縐誨姩鏁版嵁鍧?/div>

last_extent:鏈€鍚庣Щ鍔ㄧ殑鏁版嵁鍧?/div>

num_extents_moved:宸茬Щ鍔ㄧ殑鏁版嵁鍧?/div>

num_extents_left:鏈Щ鍔ㄧ殑鏁版嵁鍧?/div>

total_move_time:鎬葷Щ鍔ㄦ椂闂?寰)

5.鐩戣琛ㄧ┖闂寸殑縐誨姩

SELECT varchar(tbsp_name, 20) as tbsp_name,
       NUM_EXTENTS_MOVED,
       NUM_EXTENTS_LEFT,
       TOTAL_MOVE_TIME
  from TABLE(MON_GET_EXTENT_MOVEMENT_STATUS('TBS1', -2)) AS t

6.楠岃瘉楂樻按浣嶆爣璁扮殑闄嶄綆

SELECT varchar(tbsp_name, 16) as tbsp_name,
       BSP_USED_PAGES,
       TBSP_FREE_PAGES,
       TBSP_PAGE_TOP
  from TABLE(MON_GET_TABLESPACE('TBS1', -2)) AS t

sure_dandan 2011-10-08 10:20 鍙戣〃璇勮

]]>db2闄嶄綆hwm(V9.7涔嬪墠)http://m.tkk7.com/KingKong/archive/2011/10/08/360164.htmlsure_dandansure_dandanSat, 08 Oct 2011 01:52:00 GMThttp://m.tkk7.com/KingKong/archive/2011/10/08/360164.htmlhttp://m.tkk7.com/KingKong/comments/360164.htmlhttp://m.tkk7.com/KingKong/archive/2011/10/08/360164.html#Feedback0http://m.tkk7.com/KingKong/comments/commentRss/360164.htmlhttp://m.tkk7.com/KingKong/services/trackbacks/360164.html

1.鏌ョ湅琛ㄧ┖闂翠俊鎭?/div>

浣跨敤list tablespaces show detail

闇€瑕佸叧娉ㄧ殑鍑犱釜鍙傛暟

Tablespace ID:db2dart宸ュ叿闇€瑕佷互榪欎釜ID浣滀負鍙傛暟

琛ㄧ殑綾誨瀷:鍙湁DMS綆＄悊鐨勮〃絀洪棿鎵嶆湁HWM鐨勬爣璁板睘鎬?/div>

Used pages鍜孒igh water mark:濡傛灉鐩哥瓑,璇存槑楂樻按浣嶆爣璁頒笅娌℃湁絀洪棽欏靛彲浠ヨ閲婃斁

2.鏌ョ湅HWM鏍囪淇℃伅

浣跨敤db2dart dbname /DHWM /TSI tbsid

3.闄嶄綆楂樻按浣嶆爣璁板緩璁?/div>

浣跨敤db2dart dbname /LHWM /TSI tbsid /NP 0

sure_dandan 2011-10-08 09:52 鍙戣〃璇勮