{"id":4004,"date":"2018-07-01T20:11:44","date_gmt":"2018-07-01T11:11:44","guid":{"rendered":"http:\/\/haisins.epac.to\/wordpress\/?p=4004"},"modified":"2018-07-01T20:11:44","modified_gmt":"2018-07-01T11:11:44","slug":"oracle-asm-%ec%9d%b4-%ec%8a%a4%ed%86%a0%eb%a6%ac%ec%a7%80%eb%a5%bc-%ea%b4%80%eb%a6%ac%ed%95%98%eb%8a%94-%eb%8d%b0%ec%9d%b4%ed%84%b0-%ea%b5%ac%ec%a1%b0","status":"publish","type":"post","link":"http:\/\/haisins.synology.me\/wordpress\/?p=4004","title":{"rendered":"Oracle ASM \uc774 \uc2a4\ud1a0\ub9ac\uc9c0\ub97c \uad00\ub9ac\ud558\ub294 \ub370\uc774\ud130 \uad6c\uc870"},"content":{"rendered":"

ORACLE ASM\uc774 \uc2a4\ud1a0\ub9ac\uc9c0\ub97c \uad00\ub9ac\ud558\ub294 \ub370\uc774\ud130 \uad6c\uc870 list<\/p>\n

Disk Group
\n<\/span><\/h4>\n

ASM Disk group\uc740 \ub17c\ub9ac\uc801\uc778 \ub2e8\uc704\ub85c\uc368 \uad00\ub9ac\ub418\ub294 \ub514\uc2a4\ud06c \uc9d1\ud569\uccb4\uc774\uba70, ASM\uc5d0\uc11c \uace0\ub824\ub418\ub294 \ucd5c\uc0c1\uc758 \ub370\uc774\ud130 \uad6c\uc870\uc774\ub2e4. \uac1c\ubcc4 Disk group\uc740 \uc790\uc2e0\uc758 \ud30c\uc77c Directory\uc640 Disk Directory \uadf8\ub9ac\uace0 \ub2e4\ub978 Meta data\ub97c \ud3ec\ud568\ud558\uace0 \uc788\ub2e4(Directory \uac1c\ub150\uc740 \ud574\ub2f9 \ubaa9\ucc28\uc5d0\uc11c \ub2e4\ub8e8\ub3c4\ub85d \ud558\uaca0\ub2e4).<\/p>\n

\ub514\uc2a4\ud06c\uc758 \ud06c\uae30\uc5d0 \ube44\ub840\ud558\ub294 \uc22b\uc790\uc758 Extent\uac00 \uac1c\ubcc4 Disk\uc5d0 \ud560\ub2f9 \ub428\uc73c\ub85c\uc368, Application\uc5d0 \uc758\ud574 \ubc1c\uc0dd\ub418\ub294 I\/O load\ub294 \ud558\ub098\uc758 Disk group\uc5d0 \uc18d\ud574\uc788\ub294 \ubaa8\ub4e0 Disk\uc5d0 \uace8\uace0\ub8e8 \ubd84\uc0b0\ub41c\ub2e4. \uc774\ub7ec\ud55c \uae30\ub2a5\uc73c\ub85c Disk group\uc758 \ub514\uc2a4\ud06c \uacf5\uac04\uc774 \uc5c6\ub294 \uc0c1\ud0dc\ub294, \ubc14\ub85c \ubaa8\ub4e0 Disk\uac00 \ub370\uc774\ud130\ub85c \uaf49 \ucc28\uc788\ub2e4\ub294 \uac83\uc744 \uc758\ubbf8\ud55c\ub2e4.<\/p>\n

\uc774\ub807\uac8c \uade0\ub4f1\ud558\uac8c I\/O load\uac00 \ubd84\uc0b0\ub418\uc5b4 \ucc98\ub9ac\ub418\uae30 \ub54c\ubb38\uc5d0, \ud2b9\uc815 Disk group\uad6c\uc131 \uc2dc \uc0ac\uc6a9\ub418\ub294 Disk\ub4e4\uc740 \ud06c\uae30\uac00 \ube44\uc2b7\ud558\uace0, \ub3d9\ub4f1\ud55c \uc218\uc900\uc758 \uc131\ub2a5\uc744 \ub098\ud0c0\ub0b4\ub294 \uac83\uc73c\ub85c \uc9c0\uc815\ud574\uc57c \uc6d0\ud558\ub294 \uc218\uc900\uc758 \uacb0\uacfc\ub97c \ub2ec\uc131\ud560 \uc218 \uc788\ub2e4. \uc989, \uac00\uc7a5 \uc88b\uc740 \uc131\ub2a5\uc744 \ub098\ud0c0\ub0b4\ub294 Disk \ub4e4\uc744 \ubaa8\uc544 \ud2b9\uc815 Disk group\uc744 \uc0dd\uc131\ud558\uace0, \uc774 Disk group\uc5d0 Application\uc5d0\uc11c \uac00\uc7a5 \uc911\uc694\ud55c \ub370\uc774\ud130\ub4e4\uc744 \uc800\uc7a5\ud558\ub294 \ubc29\ubc95\uc744 \ubaa8\uc0c9\ud560 \uc218 \uc788\ub294 \uac83\uc774\ub2e4.<\/p>\n

\ud604\uc7ac, ASM Disk group\uc740 \ub3d9\uc2dc\uc5d0 63\uac1c\uc758 Disk group\uc744 mount \ud560 \uc218 \uc788\ub2e4.<\/p>\n

Failure Group
\n<\/span><\/h4>\n

Failure group\uc740 \uc2a4\ud1a0\ub9ac\uc9c0 \ub9ac\uc18c\uc2a4\ub97c \uacf5\uc720\ud558\ub294 Disk group\uc758 \uc77c\ubd80\ubd84\uc774\ub2e4. \uc5ec\uae30\uc11c \ub9d0\ud558\ub294 ‘\ub9ac\uc18c\uc2a4’\ub294 \uc7a5\uc560 \ubc1c\uc0dd \uc2dc \ud568\uaed8 \uc601\ud5a5\uc744 \ubc1b\uac8c \ub418\ub294 Disk\ub4e4\uc774 \uc11c\ub85c \uacf5\uc720\ud558\uace0 \uc788\ub294 \ub9ac\uc18c\uc2a4\ub97c \uc77c\uceeb\ub294\ub2e4. \uc608\ub97c \ub4e4\uc5b4, \uc5b4\ub290 Disk\ub4e4\uc740 SCSI \ucee8\ud2b8\ub864\ub7ec 1\ubc88\uc5d0 \uc5f0\uacb0\ub418\uc5b4 \uc788\uace0, \ub098\uba38\uc9c0 Disk\ub4e4\uc740 SCSI \ucee8\ud2b8\ub864\ub7ec 2\uc5d0 \uc5f0\uacb0\ub418\uc5b4 \uc788\ub2e4\uba74, \uc804\uc790\uc758 Disk\ub4e4\uc740 Failure group 1\uc774 \ub418\ub294 \uac83\uc774\uace0, \ub098\uba38\uc9c0 Disk \ub4e4\uc740 Failure group 2\uc5d0 \uc18d\ud558\uac8c \ub418\ub294 \uac83\uc774\ub2e4. \uc989, \uc6b4\uba85\uc744 \uac19\uc774\ud558\ub294 Disk \ub4e4\uc758 \uc9d1\ud569\uccb4\uac00 Failure group\uc744 \ud615\uc131\ud558\ub294 \uac83\uc774\ub2e4. \uacb0\uacfc\uc801\uc73c\ub85c, \ud558\ub098\uc758 Disk group\uc740 \uc5ec\ub7ec \uac1c\uc758 Failure group\uc73c\ub85c \uad6c\uc131\ub420 \uc218 \uc788\ub2e4.<\/p>\n

Failure group\uc744 \uc5b4\ub5bb\uac8c \uc9c0\uc815\ud558\ub294 \uac00\ub294 \uace0\uac1d\uc774 \uc6d0\ud558\ub294 \uc548\uc815\uc131\uc758 \uc218\uc900\uc774 \ubb34\uc5c7\uc778\uac00\uc5d0 \ub530\ub77c \uc0c1\ub2f9\ud788 \ub2e4\ub97c \uc218 \uc788\uae30 \ub54c\ubb38\uc5d0, \uc0ac\uc6a9\uc790\uac00 \uc218\ub3d9\uc73c\ub85c \uc9c0\uc815\/\ud65c\uc6a9\ud558\ub294 \uac83\uc774 \uc77c\ubc18\uc801\uc774\ub77c \ud558\uaca0\ub2e4. \ub9cc\uc57d Disk group \uc0dd\uc131 \uc2dc Failure group\uc744 \uc9c0\uc815\ud558\uc9c0 \uc54a\ub294 \ub2e4\uba74, ASM\uc740 \uac1c\ubcc4 Disk\uc5d0 \ub300\ud55c Failure group\uc744 \uc790\uc2e0\uc758 Disk\ub85c \uc9c0\uc815\ud55c\ub2e4.
\n<\/span><\/p>\n

Disk group\uc744 \uc0dd\uc131\ud560 \ub54c\ub9c8\ub2e4, DBA\ub4e4\uc740 \uadf8 Disk group\uc758 redundancy\ub97c \uace0\ub824\ud574\uc57c \ud55c\ub2e4. \uc989, \ub370\uc774\ud130\uc758 \ubcf5\uc0ac\ubcf8\uc744 \uc5b4\ub5bb\uac8c \uc720\uc9c0\ud560 \uac83\uc778\uac00\ub97c \ud310\ub2e8\ud574\uc57c \ud55c\ub2e4(Data mirroring\uacfc \uad00\uacc4 \uc788\ub2e4). \uc774\ub294 \uc544\ub798\uc640 \uac19\uc774 \uc138 \uac1c\ub85c \ubd84\ub958\ud558\uc5ec \uc9c0\uc815\ub41c\ub2e4.<\/p>\n

\u25a0 <\/span>EXTERNAL REDUNDANCY<\/p>\n

ASM\uc740 \uc0dd\uc131\ub418\ub294 Disk group\uc5d0 \ub300\ud574 \uc5b4\ub5a0\ud55c redundancy\ub97c \uace0\ub824\ud558\uc9c0 \uc54a\uaca0\ub2e4\ub294 \uac83\uc744 \uc758\ubbf8\ud55c\ub2e4. \uc774\ub7f0 \uacbd\uc6b0, \ud574\ub2f9 Disk group\uc5d0 \ub300\ud55c redundancy\ub97c \uc704\ud574 Hardware solution\uc744 \uc0ac\uc6a9\ud558\ub358\uc9c0, \uc544\ub2c8\uba74 Disk \uc7a5\uc560\ub97c \uadf8\ub300\ub85c \ubc1b\uc544 \ub4e4\uc5ec\uc57c \ud55c\ub2e4.
\n<\/span><\/p>\n

\u25a0 <\/span>NORMAL REDUNDANCY : 2-way mirroring<\/p>\n

\ud558\ub098\uc758 failure group\uc5d0 \uc7a5\uc560\uac00 \ubc1c\uc0dd\ud558\ub354\ub77c\ub3c4 \ub370\uc774\ud130 \uc190\uc2e4\uc744 \uc608\ubc29\ud560 \uc218 \uc788\ub294 \ubc29\ubc95\uc774\ub2e4. \uc774\ub807\uac8c \uc9c0\uc815\ud558\uae30 \uc704\ud574\uc11c\ub294 \uc801\uc5b4\ub3c4 2\uac1c\uc758 failure group\uc744 \uc9c0\uc815\ud560 \uc218 \uc788\uc5b4\uc57c \ud55c\ub2e4.<\/p>\n

\u25a0 <\/span>HIGH REDUNDANCY : 3-way mirroring<\/p>\n

\uac00\uc7a5 \ub192\uc740 \uc218\uc900\uc758 \ub370\uc774\ud130 \ubcf4\ud638 \ubc29\ubc95\uc774\ub2e4. \ub450 \uac1c\uc758 failure group\uc5d0 \uc7a5\uc560\uac00 \ubc1c\uc0dd\ud558\ub354\ub77c\ub3c4 \ub370\uc774\ud130 \uc190\uc2e4\uc774 \ubc1c\uc0dd\ud558\uc9c0 \uc54a\ub294\ub2e4. \uc801\uc5b4\ub3c4 3\uac1c\uc758 failure group\uc744 \uc9c0\uc815\ud574\uc57c \ud55c\ub2e4.<\/p>\n

ASM Disk
\n<\/span><\/h4>\n

\ud558\ub098\uc758 Disk group\uc740 ASM Disk\uc758 \uc9d1\ud569\uccb4\ub85c \uad6c\uc131\ub418\ub294 \uac83\uc774\ub2e4. \uc989, Disk group\uc5d0 \uc2a4\ud1a0\ub9ac\uc9c0\uac00 \ucd94\uac00 \ub418\uac70\ub098 \uc0ad\uc81c\ub420 \ub54c ASM Disk \ub2e8\uc704\ub85c \ucc98\ub9ac\ub41c\ub2e4. \ub610\ud55c, \ub370\uc774\ud130\ubca0\uc774\uc2a4 \uc778\uc2a4\ud134\uc2a4\uc5d0\uc11c Direct I\/O\uac00 \uac00\ub2a5\ud55c \ubb3c\ub9ac\uc801\uc778 disk\uc774\uc5b4\uc57c\ub9cc \ud55c\ub2e4.<\/p>\n

ASM Disk\ub294 \uc11c\ub85c \ub2e4\ub978 \ub178\ub4dc\uc5d0\uc11c\ub3c4 \ub3d9\uc77c\ud558\uac8c \uc778\uc2dd\ub418\ub294 \ucd94\uc0c1\uc801\uc778 \uc774\ub984\uc744 \uac16\uace0\uc788\ub2e4. \uc989, OS\uc5d0\uc11c disk\ub97c \uc811\uadfc\ud558\uae30 \uc704\ud574 \uc0ac\uc6a9\ud558\ub294 \uc774\ub984\uacfc\ub294 \ub2e4\ub974\ub2e4. \uc774\ub807\uac8c \ub2e4\ub978 \uc774\ub984\uc744 \uc720\uc9c0\ud558\ub294 \uc774\uc720\ub294 \ub2e4\ub978 \ub178\ub4dc\ub4e4\uc774 \ub3d9\uc77c\ud55c Disk\uc5d0 \ub300\ud574\uc11c \uc0c1\uc774\ud55c OS \uc774\ub984\uc744 \uac16\uac8c \ub420 \uacbd\uc6b0\uac00 \uc788\uae30 \ub54c\ubb38\uc774\ub2e4. ASM Disk \uc774\ub984\uc740 Disk\uac00 \ucd94\uac00\ub420 \ub54c \uad00\ub9ac\uc790\uac00 \uc9c0\uc815\ud560 \uc218\ub3c4 \uc788\uace0, \uc9c0\uc815\ud558\uc9c0 \uc54a\uc73c\uba74 \uc790\ub3d9\uc801\uc73c\ub85c \uc9c0\uc815\ub41c\ub2e4. ASM \uc778\uc2a4\ud134\uc2a4\uac00 Disk group\uc744 mount \ud560 \ub54c, \uc815\ud655\ud55c ASM Disk\ub97c \ucc3e\uae30 \uc704\ud574 \uad00\ub828 OS \uc774\ub984\ub4e4\uc774 \uac80\uc0c9\ub41c\ub2e4. \uadf8\ub9ac\ud558\uc5ec \uac1c\ubcc4 OS \uc774\ub984\uacfc ASM Disk header \uc815\ubcf4\uc758 \ub9e4\ud551\uc791\uc5c5\uc774 \uc774\ub904\uc9c0\uace0 \uc5b4\ub5a4 ASM Disk\uac00 \uc0ac\uc6a9\ub420 \uac83\uc778\uc9c0\ub97c \uacb0\uc815\ud558\ub294 \uac83\uc774\ub2e4. \uc704 \ub9e4\ud551\uc815\ubcf4\ub294 \ub370\uc774\ud130\ubca0\uc774\uc2a4 \uc778\uc2a4\ud134\uc2a4\uc758 \uba54\ubaa8\ub9ac\uc5d0 \uc800\uc7a5\/\uad00\ub9ac\ub41c\ub2e4. OS \uc774\ub984\uc740 \uc0ac\uc804 \uacbd\uace0 \uc5c6\uc774 \ubcc0\uacbd\ub420 \uac00\ub2a5\uc131\uc774 \uc788\uae30 \ub54c\ubb38\uc5d0, ASM Disk\uc5d0 \uc800\uc7a5\ub418\uc9c0 \uc54a\ub294 \ud2b9\uc131\uc744 \uac16\ub294\ub2e4.<\/p>\n

ASM\uc740 \ub3d9\uc2dc\uc5d0 10,000\uac1c\uc758 disk\ub97c \uc9c0\uc6d0\ud560 \uc218 \uc788\ub2e4.<\/p>\n

\n\n\n<\/colgroup>\n\n\n
select a.name “Group_Name”,a.total_mb,a.free_mb,b.name “Disk_Name”,b.failgroup<\/p>\n

from v$asm_diskgroup a, v$asm_disk b<\/strong>
\n<\/span><\/p>\n

where a.group_number = b.group_number<\/p>\n

\/<\/p>\n

Group_Name TOTAL_MB FREE_MB Disk_Name FAILGROUP<\/p>\n

————————————————————————————————————–
\n<\/span><\/p>\n

FIRST 4016 2044 FIRST_0002 THIRD<\/strong><\/p>\n

FIRST 4016 2044 FIRST_0003 THIRD
\n<\/strong><\/p>\n

FIRST 4016 2044 FIRST_0000 SECOND
\n<\/strong><\/p>\n

FIRST 4016 2044 FIRST_0001 SECOND
\n<\/strong><\/p>\n

SECOND 2008 1956 SECOND_0000 SECOND_0000
\n<\/strong><\/p>\n

SECOND 2008 1956 SECOND_0001 SECOND_0001<\/strong><\/p>\n

THIRD 2008 1956 THIRD_0000 THIRD_0000
\n<\/strong><\/p>\n

THIRD 2008 1956 THIRD_0001 THIRD_0001
\n<\/strong><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

ASM Files
\n<\/span><\/h4>\n
\uac1c\ub150<\/h5>\n

ASM File\uc740 ASM Disk group\uc5d0 \uc800\uc7a5\ub418\ub294 Oracle \ub370\uc774\ud130\ud30c\uc77c\uc774\ub2e4. \ud30c\uc77c\uc774 \uc0dd\uc131\ub420 \ub54c, Mirroring\uc744 \uc5b4\ub5bb\uac8c \ud560 \uac83\uc778\uc9c0, Striping\uc740 \uc5b4\ub5bb\uac8c \ud560 \uac83\uc778\uac00\uc5d0 \ub300\ud55c \uc815\ubcf4\uac00 \ud568\uaed8 \uc801\uc6a9\ub41c\ub2e4.<\/p>\n

ASM File\uc740 OS\uc5d0 \uc758\ud574 \ud655\uc778\ub420 \uc218 \uc5c6\uc73c\uba70, RMAN\uc774\ub098 \ub2e4\ub978 Oracle \uc9c0\uc6d0 \ud234\uc5d0 \uc758\ud574 \ud655\uc778 \uac00\ub2a5\ud558\ub2e4. OMF(Oracle Managed File)\uc640 \uc720\uc0ac\ud558\ub2e4. OMF \ucc98\ub7fc \ub354 \uc774\uc0c1 \ud544\uc694\uce58 \uc54a\ub294 \ud30c\uc77c\ub4e4\uc740 \uc790\ub3d9\uc801\uc73c\ub85c \uc81c\uac70\ub41c\ub2e4. \uc0dd\uc131\/\uc0ad\uc81c\/\uc77d\uae30\/\uc4f0\uae30\/\ud06c\uae30 \ubcc0\uacbd\uc774 \uac00\ub2a5\ud558\uace0, \ud558\ub098\uc758 ASM File\uc740 \ud558\ub098\uc758 Disk group\uc5d0 \ubd84\uc0b0 \uc800\uc7a5\ub41c\ub2e4. Disk group\uc744 \uc774\ub8e8\ub294 \uac1c\ubcc4 \ud30c\uc77c\ub4e4\uc774 \ubaa8\ub4e0 disk\uc5d0 \ubd84\uc0b0 \uc800\uc7a5\ub418\uae30 \ub54c\ubb38\uc5d0 \ud558\ub098\uc758 disk\uc5d0 \ub300\ud55c \ubc31\uc5c5\uc740 \uc720\uc6a9\ud558\uc9c0 \uc54a\ub2e4. \ub54c\ubb38\uc5d0, ASM File\uc5d0 \ub300\ud55c \ubc31\uc5c5\uc740 RMAN\uc744 \ud1b5\ud574\uc11c \ub9cc\uc774 \uac00\ub2a5\ud558\ub2e4. \uadf8\ub7ec\ub098 PL\/SQL \uc778\ud130\ud398\uc774\uc2a4\ub97c \ud1b5\ud574\uc11c ASM File\uc758 \ub0b4\uc6a9\uc744 \uc77d\uc5b4 \ub0b4\ub294 \uac83\uc740 \uac00\ub2a5\ud558\ub2e4.<\/p>\n

\ud2b9\uc131<\/h5>\n

\u25a0 <\/span>Load balancing<\/p>\n

Disk group\uc5d0 \uc788\ub294 \ubaa8\ub4e0 Disk\uc5d0 \uac78\uccd0\uc11c \ub370\uc774\ud130\uac00 \ubd84\uc0b0 \uc800\uc7a5\ub418\ub294 \uc774\uc720\ub85c \ud30c\uc77c\uc811\uadfc \ud615\ud0dc\uac00 \uade0\ud615\uc744 \uc774\ub8e8\uac8c \ub41c\ub2e4. \uc774\ub7ec\ud55c \ud2b9\uc131\uc758 \uc7a5\uc810\uc744 \uadf9\ub300\ud654 \ud558\uae30 \uc704\ud574\uc11c\ub294 \ub3d9\uc77c\ud55c \uc131\ub2a5\uc744 \ub098\ud0c0\ub0b4\ub294 disk\ub4e4\ub85c Disk group\uc744 \uad6c\uc131\ud574\uc57c \ud55c\ub2e4.<\/p>\n

ASM\uc740 Disk group\uc744 \uad6c\uc131\ud558\ub294 \ubaa8\ub4e0 disk\uc5d0 \uac78\uccd0\uc11c \ud558\ub098\uc758 AU(Allocation Unit) \ub2e8\uc704\ub85c \ud30c\uc77c\ub4e4\uc744 \ubd84\uc0b0\uc2dc\ud0a8\ub2e4. \uc774\uac83\uc744 COARSE striping \uc774\ub77c\uace0 \ud55c\ub2e4. \uc774\uc5d0 \ubc18\ud574, \uac1c\ubcc4 AU \ub2e8\uc704\ub97c \ub354 \uc791\uc740 \ud06c\uae30\ub85c \uc798\ub77c \ubd84\uc0b0 \uc2dc\ud0a4\ub294 \uac83\uc744 FINE striping \uc774\ub77c\uace0 \uc77c\uceeb\ub294\ub2e4. FINE striping\uc740 \uc77c\ubc18\uc801\uc778 \ud06c\uae30\uc758 I\/O operation\uc744 \ub354\uc6b1\ub354 \uc791\uc740 \uc5ec\ub7ec \uac1c\uc758 I\/O operation\uc73c\ub85c \ub098\ub204\uc5b4 \ubcd1\ub82c\ub85c \ucc98\ub9ac\ud558\ub294 \uac83\uc774\ub2e4.<\/p>\n

\u25a0 <\/span>Mirroring<\/p>\n

RAID-1\uacfc \uac19\uc740 \ud615\ud0dc\ucc98\ub7fc, ASM\ub3c4 \ub2e4\uc911\uc758 \ub370\uc774\ud130 \ubcf5\uc0ac\ubcf8\uc744 \uc720\uc9c0\ud568\uc73c\ub85c\uc368, \uc911\uc694 \ub370\uc774\ud130\ub97c \ubcf4\ud638\ud560 \uc218 \uc788\ub2e4. \uadf8\ub7ec\ub098, RAID-1\uacfc \ub2e4\ub974\uac8c \ud30c\uc77c\ub2e8\uc704\ub85c \ucc98\ub9ac\ub41c\ub2e4. RAID-1\uc740 \uba64\ubc84\ub4e4\uc774 \ud68d\uc77c\uc801\uc778 \uc54c\uace0\ub9ac\uc998\uc744 \ub530\ub974\uac8c \ub41c\ub2e4.<\/p>\n

\uc0dd\uc131 \uc608<\/h5>\n

ASM File\uc758 \uac1c\ubcc4 \uc815\ubcf4\uc640 DBA_DATA_FILES\uc5d0\uc11c \ucd9c\ub825\ub41c \uc815\ubcf4\ub97c \ube44\uad50\ud574 \ubcf4\uae30 \ubc14\ub780\ub2e4.<\/p>\n

\n\n\n<\/colgroup>\n\n\n
SELECT FILE_NUMBER,BLOCK_SIZE,BLOCKS,BYTES,SPACE,TYPE,REDUNDANCY,STRIPED
\n<\/span><\/p>\n

FROM V$ASM_FILE;<\/strong><\/span>
\n<\/span><\/p>\n

F_NUMBER BLOCK_SIZE BLOCKS BYTES SPACE TYPE REDUNDANCY STRIPED
\n<\/span><\/p>\n

————————————————————————————————————————————–
\n<\/span><\/p>\n

256<\/strong> 8192 56321 461381632 <\/strong> 927989760 DATAFILE MIRROR COARSE
\n<\/span><\/p>\n

257 8192 25601 209723392 424673280 DATAFILE MIRROR COARSE
\n<\/span><\/p>\n

258 8192 6401 52436992 106954752 DATAFILE MIRROR COARSE
\n<\/span><\/p>\n

259 8192 641 5251072 12582912 DATAFILE MIRROR COARSE
\n<\/span><\/p>\n

260 8192 283 2318336 16777216 CONTROLFILE MIRROR FINE
\n<\/span><\/p>\n

261 512 20481 10486272 33554432 ONLINELOG MIRROR FINE
\n<\/span><\/p>\n

262 512 20481 10486272 33554432 ONLINELOG MIRROR FINE
\n<\/span><\/p>\n

263 512 20481 10486272 33554432 ONLINELOG MIRROR FINE
\n<\/span><\/p>\n

264 8192 2945 24125440 50331648 TEMPFILE MIRROR COARSE
\n<\/span><\/p>\n

265 8192 19201 157294592 319815680 DATAFILE MIRROR COARSE
\n<\/span><\/p>\n

266 512 5 2560 2097152 PARAMETERF MIRROR COARSE<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

\n\n\n<\/colgroup>\n\n\n
FILE_NAME M
\n<\/span><\/p>\n

—————————————————————————
\n<\/span><\/p>\n

+FIRST\/cook\/datafile\/system.256.1 440
\n<\/span><\/p>\n

+FIRST\/cook\/datafile\/sysaux.257.1 200
\n<\/span><\/p>\n

+FIRST\/cook\/datafile\/undotbs1.258.1 50
\n<\/span><\/p>\n

+FIRST\/cook\/datafile\/users.259.1 5
\n<\/span><\/p>\n

+FIRST\/cook\/example01.dbf 150
\n<\/span><\/p>\n

+FIRST\/cook\/controlfile\/current.260.1
\n<\/span><\/p>\n

+FIRST\/cook\/onlinelog\/group_1.261.1 10
\n<\/span><\/p>\n

+FIRST\/cook\/onlinelog\/group_2.262.1 10
\n<\/span><\/p>\n

+FIRST\/cook\/onlinelog\/group_3.263.1 10
\n<\/span><\/p>\n

+FIRST\/cook\/tempfile\/temp.264.1 23<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

ASM File type<\/h5>\n

ASM Disk group \ub0b4\uc5d0 \uc800\uc7a5\ub420 \uc218 \uc788\ub294 \ud30c\uc77c\ud615\ud0dc\ub294 \uc544\ub798\uc640 \uac19\ub2e4.<\/p>\n

\u25a0 <\/span>Control File<\/p>\n

\u25a0 <\/span>Datafile<\/p>\n

\u25a0 <\/span>Online Redo Log<\/p>\n

\u25a0 <\/span>Archive Log<\/p>\n

\u25a0 <\/span>Temporary data file<\/p>\n

\u25a0 <\/span>RMAN backup piece<\/p>\n

\u25a0 <\/span>Datafile Copy<\/p>\n

\u25a0 <\/span>SPFILE<\/p>\n

\u25a0 <\/span>Disaster Recovery Configuration<\/p>\n

\u25a0 <\/span>Flashback Log<\/p>\n

\u25a0 <\/span>Change Tracking Bitmap<\/p>\n

\u25a0 <\/span>DataPump Dumpset<\/p>\n

\uadf8\ub7ec\ub098, Oracle \uc2e4\ud589\ubaa8\ub4c8\uacfc ASCII \ud30c\uc77c, alert log \/ trace \ud30c\uc77c\ub4e4\uc740 ASM Disk\uc5d0 \uc800\uc7a5\ub420 \uc218 \uc5c6\ub2e4.<\/p>\n

ASM File template<\/h5>\n

ASM File template\uc740 \ub370\uc774\ud130\ud30c\uc77c \uc0dd\uc131 \uc2dc \ud30c\uc77c\uc5d0 \uc801\uc6a9\ub420 \uc131\uc9c8(redundancy,striping)\uc744 \ub2e4\uc591\ud558\uac8c \ubd84\ub958\ud558\uc5ec \ubaa9\ub85d\ud654\ud55c \ud615\ud0dc\ub97c \ub9d0\ud55c\ub2e4. Template\uc774 \uc5c6\ub2e4\uba74, \ud30c\uc77c \uc0dd\uc131 \uc2dc \ub9c8\ub2e4 \uac1c\ubcc4 \uc131\uc9c8\ub4e4\uc744 \uc9c0\uc815\ud574\uc57c \ud560 \uac83\uc774\ub2e4. \uc131\uc9c8\ubd80\uc5ec \uc791\uc5c5\uc744 \uac04\ud3b8\ud558\uac8c \uc218\ud589\ud558\uae30 \uc704\ud55c \ub3c4\uad6c\ub77c\uace0 \uc0dd\uac01\ud558\uba74 \ubb34\ub9ac\uac00 \uc5c6\uaca0\ub2e4.<\/p>\n

\ud2b9\uc815 Template\uc740 \ud558\ub098\uc758 Disk group\uacfc \uc5f0\uacb0\uad00\uacc4\ub97c \uac16\ub294\ub2e4. \uc11c\ub85c \ub2e4\ub978 Disk group\uc740, \ub2e4\ub978 \uc131\uc9c8\uc744 \uac16\uace0 \uc788\uc73c\uba74\uc11c \uc774\ub984\uc774 \ub3d9\uc77c\ud55c Template\uc744 \uac00\uc9c8 \uc218 \uc788\ub2e4.<\/p>\n

\uc0c8\ub85c\uc6b4 Disk group\uc774 \uc0dd\uc131\ub420 \ub54c, ASM\uc740 \uadf8 Disk group\uacfc \uad00\uacc4\ub41c Default template\uc744 \uc0dd\uc131\ud55c\ub2e4. \uc774 Default template\uc740 \ub2e4\uc591\ud55c Oracle \ub370\uc774\ud130\ud30c\uc77c type\uc5d0 \ub300\ud55c \uae30\ubcf8\uc801\uc778 \uc131\uc9c8\ub4e4\uc744 \ud3ec\ud568\ud558\uac8c \ub418\ub294 \uac83\uc774\ub2e4. Default template\uc758 \uc131\uc9c8\ub0b4\uc6a9\uc740 DBA\uc5d0 \uc758\ud574 \ubcc0\uacbd \uac00\ub2a5\ud560 \ubfd0\ub9cc \uc544\ub2c8\ub77c, DBA\ub294 \uc0c8\ub85c\uc6b4 template\uc744 \ub9cc\ub4e4 \uc218 \uc788\ub2e4. Default template\uc740 \uc0ad\uc81c\ub420 \uc218 \uc5c6\ub2e4.<\/p>\n

ASM File \uc0dd\uc131 \ud6c4\uc5d0, \uadf8 \ud30c\uc77c\uc5d0 \ub300\ud55c \uc131\uc9c8\uc744 \ubcc0\uacbd\ud558\uae30 \uc704\ud574\uc11c\ub294 RMAN\uc744 \ud1b5\ud574 \uc0c8\ub85c\uc6b4 \uc131\uc9c8\uc744 \uac16\uace0 \uc788\ub294 \ud30c\uc77c\ub85c \ubcf5\uc0ac\ud574\uc57c \ud55c\ub2e4. \uc774\uac83\uc774 \ud30c\uc77c\uc758 \uc131\uc9c8\uc744 \ubcc0\uacbd\ud560 \uc218 \uc788\ub294 \uc720\uc77c\ud55c \ubc29\ubc95\uc774\ub2e4.
\n<\/span><\/p>\n

\uc544\ub798 \ub0b4\uc6a9\uc740 System Default template<\/strong>\uc758 \uc608\ub97c \ubcf4\uc5ec\uc900\ub2e4.<\/p>\n

\n\n\n<\/colgroup>\n\n\n
group_num entry_num REDUND STRIPE S NAME
\n<\/strong><\/span><\/p>\n

———- ———- —— —— – ——————-
\n<\/strong><\/span><\/p>\n

1 0 MIRROR COARSE Y PARAMETERFILE
\n<\/strong><\/span><\/p>\n

1 1 MIRROR COARSE Y DUMPSET
\n<\/strong><\/span><\/p>\n

1 2 MIRROR FINE Y CONTROLFILE
\n<\/strong><\/span><\/p>\n

1 3 MIRROR COARSE Y ARCHIVELOG
\n<\/strong><\/span><\/p>\n

1 4 MIRROR FINE Y ONLINELOG
\n<\/strong><\/span><\/p>\n

1 5 MIRROR COARSE Y DATAFILE
\n<\/strong><\/span><\/p>\n

1 6 MIRROR COARSE Y TEMPFILE
\n<\/strong><\/span><\/p>\n

1 7 MIRROR COARSE Y BACKUPSET
\n<\/strong><\/span><\/p>\n

1 8 MIRROR COARSE Y AUTOBACKUP
\n<\/strong><\/span><\/p>\n

1 9 MIRROR COARSE Y XTRANSPORT
\n<\/strong><\/span><\/p>\n

1 10 MIRROR COARSE Y CHANGETRACKING
\n<\/strong><\/span><\/p>\n

1 11 MIRROR FINE Y FLASHBACK
\n<\/strong><\/span><\/p>\n

1 12 MIRROR COARSE Y DATAGUARDCONFIG
\n<\/strong><\/span><\/p>\n

2 0 UNPROT COARSE Y PARAMETERFILE
\n<\/strong><\/span><\/p>\n

2 3 UNPROT COARSE Y ARCHIVELOG
\n<\/strong><\/span><\/p>\n

2 5 UNPROT COARSE Y DATAFILE
\n<\/strong><\/span><\/p>\n

2 7 UNPROT COARSE Y BACKUPSET
\n<\/strong><\/span><\/p>\n

2 12 UNPROT COARSE Y DATAGUARDCONFIG
\n<\/strong><\/span><\/p>\n

2 11 UNPROT FINE Y FLASHBACK
\n<\/strong><\/span><\/p>\n

2 10 UNPROT COARSE Y CHANGETRACKING
\n<\/strong><\/span><\/p>\n

2 9 UNPROT COARSE Y XTRANSPORT
\n<\/strong><\/span><\/p>\n

2 8 UNPROT COARSE Y AUTOBACKUP
\n<\/strong><\/span><\/p>\n

2 6 UNPROT COARSE Y TEMPFILE
\n<\/strong><\/span><\/p>\n

2 4 UNPROT FINE Y ONLINELOG
\n<\/strong><\/span><\/p>\n

2 2 UNPROT FINE Y CONTROLFILE
\n<\/strong><\/span><\/p>\n

2 1 UNPROT COARSE Y DUMPSET
\n<\/strong><\/span><\/p>\n

3 0 UNPROT COARSE Y PARAMETERFILE
\n<\/strong><\/span><\/p>\n

3 1 UNPROT COARSE Y DUMPSET
\n<\/strong><\/span><\/p>\n

3 2 UNPROT FINE Y CONTROLFILE
\n<\/strong><\/span><\/p>\n

3 3 UNPROT COARSE Y ARCHIVELOG
\n<\/strong><\/span><\/p>\n

3 4 UNPROT FINE Y ONLINELOG
\n<\/strong><\/span><\/p>\n

3 5 UNPROT COARSE Y DATAFILE
\n<\/strong><\/span><\/p>\n

3 6 UNPROT COARSE Y TEMPFILE
\n<\/strong><\/span><\/p>\n

3 7 UNPROT COARSE Y BACKUPSET
\n<\/strong><\/span><\/p>\n

3 8 UNPROT COARSE Y AUTOBACKUP
\n<\/strong><\/span><\/p>\n

3 9 UNPROT COARSE Y XTRANSPORT
\n<\/strong><\/span><\/p>\n

3 10 UNPROT COARSE Y CHANGETRACKING
\n<\/strong><\/span><\/p>\n

3 11 UNPROT FINE Y FLASHBACK
\n<\/strong><\/span><\/p>\n

3 12 UNPROT COARSE Y DATAGUARDCONFIG
\n<\/strong><\/span><\/p>\n

39 rows selected.<\/strong><\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

Template\uc744 \uc815\uc758\ud558\uac70\ub098 \ubcc0\uacbd\ud560 \ub54c, COARSE\/Fine-Grained striping \uc131\uc9c8\ub3c4 \ud568\uaed8 \uc9c0\uc815\ud55c\ub2e4.<\/p>\n

ASM Meta data\uc5d0 \ub300\ud55c redundancy\/striping \uc131\uc9c8\uc740 ASM\uc5d0 \uc758\ud574 \uc0ac\uc804 \uc815\uc758\ub418\uae30 \ub54c\ubb38\uc5d0, \uc774 \uac12\ub4e4\uc740 template \uc744 \ud1b5\ud574\uc11c \ubcc0\uacbd\uc774 \ubd88\uac00\ub2a5 \ud558\ub2e4.<\/p>\n

ASM File name<\/h5>\n

ASM filename\uc740 \uc544\ub798\uc640 \uac19\uc740 \ub2e4\uc591\ud55c \ud615\ud0dc\ub85c \uc874\uc7ac\ud560 \uc218 \uc788\ub2e4.<\/p>\n

\u25a0 <\/span>Fully Qualified ASM Filenames<\/p>\n

\uc874\uc7ac\ud558\uace0 \uc788\ub294 ASM File\uc744 \ucc38\uc870\ud558\uae30 \uc704\ud55c \ud615\ud0dc\uc774\ub2e4. \uc774\ub294 Disk group \uc774\ub984, \ub370\uc774\ud130\ubca0\uc774\uc2a4 \uc774\ub984, \ud30c\uc77c type, type\uc5d0 \ub530\ub978 tag \uc815\ubcf4, \ud30c\uc77c number, \uadf8\ub9ac\uace0 incarnation number\ub97c \uac00\uc9c0\uace0 ASM File\uc744 \ud45c\ud604\ud55c\ub2e4. \uc774 \ud615\ud0dc\ub294 ASM File\uc774 \uc0dd\uc131\ub420 \ub54c \uc790\ub3d9\uc801\uc73c\ub85c \uc9c0\uc815\ub41c\ub2e4. ‘Alias’\ub97c \uc0ac\uc6a9\ud558\uc5ec ASM File\uc774 \uc0dd\uc131\ub41c\ub2e4\uace0 \ud558\ub354\ub77c\ub3c4 \uc774\ub7ec\ud55c \ud615\ud0dc\uc758 filename\ub3c4 \ud568\uaed8 \uc9c0\uc815\ub41c\ub2e4.<\/p>\n

ASM\uc740 \ud30c\uc77c\uc0dd\uc131 \uc2dc \uc774 \ud30c\uc77c\ud615\ud0dc\ub97c \uc0ac\uc6a9\ud558\uae30 \ub54c\ubb38\uc5d0, DBA\ub294 \ud30c\uc77c\uc0dd\uc131 \ubb38\uc7a5\uc5d0\uc11c \uc774 \ud615\ud0dc\ub97c \uc0ac\uc6a9\ud560 \uc218 \uc5c6\ub2e4.<\/p>\n

\ud615\ud0dc : +<group>\/<dbname>\/<file type>\/<tag>.<file>.<incarnation><\/p>\n

    \n
  • \n
    <group> : Disk group \uc774\ub984<\/div>\n<\/li>\n
  • \n
    <dbname> : \ud30c\uc77c\uc774 \uc18d\ud574 \uc788\ub294 \ub370\uc774\ud130\ubca0\uc774\uc2a4 \uc774\ub984<\/div>\n<\/li>\n
  • \n
    <file type> : \uc624\ub77c\ud074 \ud30c\uc77c type<\/div>\n<\/li>\n
  • \n
    <tag> : \ub370\uc774\ud130\ud30c\uc77c\uc5d0 \ub300\ud55c \ud14c\uc774\ube14\uc2a4\ud398\uc774\uc2a4\uc640 \uac19\uc740 \ud2b9\uc218 \uc815\ubcf4<\/div>\n<\/li>\n
  • \n
    <file>.<incarnation> : \uc720\uc77c\uc131 \ubcf4\uc7a5\uc744 \uc704\ud55c File\uacfc Incarnation \uc815\ubcf4<\/div>\n<\/li>\n
  • \n
    \uc608\uc81c : +dgroupA\/db1\/controlfile\/CF.257.8675309
    \n<\/strong><\/div>\n

    \n<\/li>\n<\/ul>\n

    \u25a0 Numeric ASM Filenames<\/p>\n

    \uc874\uc7ac\ud558\uace0 \uc788\ub294 ASM File\uc744 \ucc38\uc870\ud558\uae30 \uc704\ud55c \ud615\ud0dc\uc774\ub2e4. \uc774\ub294 Disk group \uc774\ub984, \ud30c\uc77c number, \uadf8\ub9ac\uace0 incarnation number\ub85c \uad6c\uc131\ub41c\ub2e4. ASM\uc740 \ud30c\uc77c \uc0dd\uc131 \uc2dc \ud30c\uc77c\/Incarnation number\ub97c \ub0b4\ubd80\uc801\uc73c\ub85c \uc0ac\uc6a9\ud558\uae30 \ub54c\ubb38\uc5d0, \uc774 \ud615\ud0dc\ub294 \ud30c\uc77c \uc0dd\uc131 \uc2dc \uc0ac\uc6a9\ub420 \uc218 \uc5c6\ub2e4.<\/p>\n

    \uc774 \ud615\ud0dc\ub294 Fully qualified name \ud615\ud0dc\uc5d0\uc11c \uc720\ucd94\ub418\uba70, \uc0ac\uc6a9\uc790\uc5d0\uac8c \uacf5\uac1c\ub418\uc9c0 \uc54a\ub294\ub2e4. \ub2e4\ub9cc, \uc874\uc7ac\ud558\ub294 \ud30c\uc77c\uc744 \ucc38\uc870\ud558\uae30 \uc704\ud55c API\ub97c \ud1b5\ud574 \uc0ac\uc6a9 \uac00\ub2a5\ud558\ub2e4.<\/p>\n

      \n
    • \n
      \uc608\uc81c : +dgroupA.257.8675309
      \n<\/span><\/strong><\/div>\n<\/li>\n<\/ul>\n

      \u25a0 Alias ASM Filenames
      \n<\/strong><\/span><\/p>\n

      \uc774 \ud615\ud0dc\ub294 \uae30\uc874\uc758 ASM File\uc744 \ucc38\uc870\ud560 \ubfd0\ub9cc \uc544\ub2c8\ub77c \uc0c8\ub85c\uc6b4 ASM File\uc744 \uc0dd\uc131\ud560 \ub54c\uc5d0\ub3c4 \uc0ac\uc6a9\ub420 \uc218 \uc788\ub2e4. \ud30c\uc77c\uacfc Incarnation \uc22b\uc790\ub97c \uc9c0\uc815\ud558\uc9c0 \uc54a\uace0, \ub2e8\uc9c0 Disk group \uc774\ub984\uacfc \uc0ac\uc6a9\uc790\uac00 \uc784\uc758\ub85c \uc9c0\uc815\ud558\ub294 \ubb38\uc790\uc5f4\ub85c \uc774\ub904\uc9c4\ub2e4. \uc989, DBA\uac00 \uc790\uc2e0\uc774 \uad6c\ubcc4\ud558\uae30 \uc27d\ub3c4\ub85d \ud30c\uc77c \ucc38\uc870\uc815\ubcf4\ub97c \uc9c0\uc815\ud560 \uc218 \uc788\ub294 \uac83\uc774\ub2e4.<\/p>\n

      Alias Filename\uc740 ‘\/’ \ubb38\uc790\ub97c \uac00\uc9c0\ub294 Directory \uad6c\uc870<\/strong>\ub97c \uc0ac\uc6a9\ud55c\ub2e4. \uc774\ub984\uc744 \uc774\ub8e8\ub294 \uac01 \ud56d\ubaa9\ub4e4\uc740 UTF-8 format\uc744 \ub530\ub974\uba70 48 byte \uc774\uc0c1\uc774 \ub420 \uc218 \uc5c6\ub2e4. \ub610\ud55c, \ubaa8\ub4e0 \ud56d\ubaa9\uc774 \ud3ec\ud568\ud558\ub294 \ubb38\uc790\uc5f4\uc740 256 byte\ub97c \ub118\uc744 \uc218 \uc5c6\ub2e4. \ubb38\uc790\uc5f4 \uc0ac\uc774\uc5d0 space \ubb38\uc790\ub97c \ub123\uc744 \uc218 \uc788\uc73c\ub098, \ub300\uc18c\ubb38\uc790\ub97c \uad6c\ubcc4\ud55c\ub2e4\ub294 \uac83\uc744 \uc720\ub150\ud574\uc57c \ud55c\ub2e4.<\/p>\n

      \uc608\uc81c1 : +dgroupA\/myfiles\/control_file1
      \n<\/strong><\/p>\n

      \uc608\uc81c2 : +dgroupA\/A rather LoNg and WeiRd name\/for a file
      \n<\/strong><\/p>\n

      ASM File\uc740 \ud30c\uc77c \uc0dd\uc131 \uc2dc Fully qualified name \ud615\ud0dc\ub97c \ub530\ub978\ub2e4. DBA\ub294 \uc774\ub54c alias\ub97c \uc0ac\uc6a9\ud558\uc5ec \ud30c\uc77c\uc744 \uc0dd\uc131\ud560 \uc218\ub3c4 \uc788\uace0, \ucd94\ud6c4 ‘ALTER DISKGROUP ADD ALIAS’ \uba85\ub839\uc5b4\ub85c \ud30c\uc77c\uc744 \ub9cc\ub4e4 \uc218 \uc788\ub2e4.<\/p>\n

      \u25a0 Alias ASM Filenames with template<\/p>\n

      \uc624\uc9c1 ASM File\uc744 \uc0dd\uc131\ud560 \ub54c\uc5d0\ub9cc \uc0ac\uc6a9\ub418\ub294 \ud615\ud0dc\uc774\ub2e4. \uc774\ub294 Disk group \uc774\ub984, alias \uc774\ub984, \uadf8\ub9ac\uace0 \ud30c\uc77c\uc5d0 \ub300\ud55c Template \uc774\ub984\uc73c\ub85c \uad6c\uc131\ub41c\ub2e4. \ud30c\uc77c \uc0dd\uc131\uc2dc \uc774\ub7ec\ud55c \ud615\ud0dc\uac00 \uc9c0\uc815\ub418\uace0, alias\uac00 \uc874\uc7ac\ud558\ub294 \ud30c\uc77c\uc744 \uac00\ub9ac\ud0a8\ub2e4\uba74 Template\uc740 \ubb34\uc2dc\ub41c\ub2e4.<\/p>\n

        \n
      • \n
        \uc608\uc81c : +dgroupA\/config1(spfile)
        \n<\/strong><\/div>\n<\/li>\n<\/ul>\n

        \u25a0 Incomplete ASM Filenames<\/p>\n

        \ud30c\uc77c \uc0dd\uc131\uc2dc\uc5d0\ub9cc \uc0ac\uc6a9\ub418\ub294 \ud615\ud0dc\uc774\ub2e4. Disk group \uc774\ub984\ub9cc\uc73c\ub85c \uad6c\uc131\ud55c\ub2e4. \uc774\ub97c \uc704\ud574, ASM\uc740 \ud574\ub2f9 \ud30c\uc77c\uc758 type\uc774 \uc815\uc758\ub418\uc5b4 \uc788\ub294 Default template\uc744 \uc0ac\uc6a9\ud55c\ub2e4.<\/p>\n

        \uc608\uc81c : +dgroupA
        \n<\/strong><\/p>\n

        \u25a0 Incomplete ASM Filenames with template<\/p>\n

        \ud30c\uc77c \uc0dd\uc131\uc2dc\uc5d0\ub9cc \uc0ac\uc6a9\ub418\ub294 \ud615\ud0dc\uc774\ub2e4. Disk group \uc774\ub984\uacfc Template \uc774\ub984\uc73c\ub85c \uc870\ud569\ub41c\ub2e4. Template\uc740 \ud30c\uc77c\uc5d0 \uc801\uc6a9\ub418\uc5b4\uc9c8 \uc5ec\ub7ec \uac00\uc9c0 \uc131\uc9c8\uc744 \uacb0\uc815\ud558\uac8c \ub41c\ub2e4.<\/p>\n

        \uc608\uc81c : +dgroupA(datafile)
        \n<\/strong><\/p>\n

        \uc774\uc0c1\uc758 ASM Filename 6\uac1c\uc758 \ud615\ud0dc\ub294 \uc544\ub798\uc640 \uac19\uc740 \ubc94\uc8fc\ub85c \ub098\ub220\ubcfc \uc218 \uc788\ub2e4.<\/p>\n

        \"\"<\/p>\n

        \uadf8\ub9bc. ASM Filenames<\/p>\n

        Allocation Unit(AU)
        \n<\/span><\/h4>\n

        AU\ub294 Disk group \ub0b4\uc5d0\uc11c \uc800\uc7a5\uc601\uc5ed\uc744 \ud560\ub2f9\ud558\uace0\uc790 \ud560 \ub54c \uc0ac\uc6a9\ud558\ub294 \uae30\ubcf8\uc801\uc778 \ub2e8\uc704\/\uac1c\ub150\uc774\ub2e4. ASM Disk\ub0b4\uc5d0\uc11c \uac00\uc6a9\ud55c \uacf5\uac04\uc740 AU \ud06c\uae30\uc758 \ubc30\uc218\uac00 \ub418\ub294 \uac83\uc774\ub2e4. ASM Disk\uc758 header\uc5d0\ub294 \uc774\ub7ec\ud55c AU\uc5d0 \ub300\ud55c \uc815\ubcf4\ub97c \ud3ec\ud568\ud558\uace0 \uc788\ub294 \ud14c\uc774\ube14\uc774 \uc874\uc7ac\ud55c\ub2e4.<\/p>\n

        _ASM_AUSIZE\uc5d0 \uc758\ud574 \ubcc0\uacbd\ud558\uc9c0 \uc54a\ub294 \uc774\uc0c1, \uae30\ubcf8\uc801\uc73c\ub85c AU\ub294 1MB \uc774\ub2e4. \uc774 \ud06c\uae30\ub294 \ud558\ub098\uc758 ASM File\uc774 \uc5ec\ub7ec Disk\uc5d0 \uace8\uace0\ub8e8 \ubd84\uc0b0\ub418\uc5b4 \uc800\uc7a5\ub420 \uc218 \uc788\uc744 \uc815\ub3c4\ub85c \uc791\uc740 \ud06c\uae30\uc77c \ubfd0\ub9cc \uc544\ub2c8\ub77c, \ud558\ub098\uc758 I\/O operation\uc5d0 \uc758\ud574 \ucc98\ub9ac\ub418\ub294 \ud558\ub098\uc758 AU\uac00 \uc88b\uc740 \ucc98\ub9ac\ub7c9\uc744 \ubcf4\uc7a5\ud560 \uc218 \uc788\uc744 \uc815\ub3c4\ub85c \ucda9\ubd84\ud788 \ud070 \ud06c\uae30\ub85c \uc0dd\uac01\ub418\ub294 \uac83\uc774 \uc77c\ubc18\uc801\uc774\ub2e4(Oracle SAME \ubc29\ubc95\ub860 \ucc38\uc870). \ub610\ud55c, AU\uc744 \uc811\uadfc\ud558\ub294 \uc2dc\uac04\uc740 AU\uac00 \uc2dc\uc791\ub418\ub294 \uacf3\uc744 \ucc3e\uc544\uac00\ub294 seek time \ubcf4\ub2e4, Disk\uc758 \uc804\uc1a1\uc18d\ub3c4\uc5d0 \uc9c0\ub300\ud55c \uc601\ud5a5\uc744 \ubc1b\ub294\ub2e4. Disk group\uc5d0 \ub300\ud55c Rebalancing \uc791\uc5c5\uc740 \uc774 AU \ub2e8\uc704\ub85c \ucc98\ub9ac\ub41c\ub2e4.<\/p>\n

        ASM Rebalancing<\/h3>\n

        Disk\uac00 \ucd94\uac00\/\uc0ad\uc81c \ub610\ub294 \ud06c\uae30\uc870\uc815\uc774 \uc77c\uc5b4\ub0a0 \ub54c, Disk group\uc740 \ubaa8\ub4e0 Storage\uc5d0 \ub300\ud55c load\ub97c \uade0\ub4f1\ud788 \ud558\uae30 \uc704\ud574 rebalancing \uc791\uc5c5\uc744 \uc218\ud589\ud55c\ub2e4. Rebalancing\uc740 I\/O load\uc5d0 \ub300\ud55c \ud1b5\uacc4\uc815\ubcf4\uc5d0 \uadfc\uac70\ud558\uc5ec \uc218\ud589\ub418\uc9c0 \uc54a\ub294\ub2e4. \ub2e4\ub9cc, Disk group\uc5d0 \ud3ec\ud568\ub418\ub294 Disk\uc758 \ud06c\uae30<\/strong><\/span>\ub97c \uae30\uc900\uc73c\ub85c \ud574\ub2f9 \uc791\uc5c5\uc744 \uc218\ud589\ud558\ub294 \uac83\uc774\ub2e4. \uc774 \uc791\uc5c5\uc740 Storage\uc758 \uad6c\uc131\uc815\ubcf4\uac00 \ubcc0\uacbd\ub420 \ub54c \uc790\ub3d9\uc801\uc73c\ub85c \uc218\ud589\ub418\uba70, DBA\uc5d0 \uc758\ud574 \uc218\ub3d9\uc73c\ub85c \ubc1c\uc0dd\ub420 \uc218 \uc788\ub2e4(\uc0ac\uc2e4 \uc218\ub3d9 \uc791\uc5c5\uc740 \ud544\uc694 \uc5c6\ub2e4).<\/p>\n","protected":false},"excerpt":{"rendered":"

        ORACLE ASM\uc774 \uc2a4\ud1a0\ub9ac\uc9c0\ub97c \uad00\ub9ac\ud558\ub294 \ub370\uc774\ud130 \uad6c\uc870 list Disk Group ASM Disk group\uc740 \ub17c\ub9ac\uc801\uc778 \ub2e8\uc704\ub85c\uc368 \uad00\ub9ac\ub418\ub294 \ub514\uc2a4\ud06c \uc9d1\ud569\uccb4\uc774\uba70, ASM\uc5d0\uc11c \uace0\ub824\ub418\ub294 \ucd5c\uc0c1\uc758 \ub370\uc774\ud130 \uad6c\uc870\uc774\ub2e4. \uac1c\ubcc4 Disk group\uc740 \uc790\uc2e0\uc758 \ud30c\uc77c Directory\uc640 Disk Directory \uadf8\ub9ac\uace0 \ub2e4\ub978 Meta data\ub97c \ud3ec\ud568\ud558\uace0 \uc788\ub2e4(Directory \uac1c\ub150\uc740 \ud574\ub2f9 \ubaa9\ucc28\uc5d0\uc11c \ub2e4\ub8e8\ub3c4\ub85d \ud558\uaca0\ub2e4). \ub514\uc2a4\ud06c\uc758 \ud06c\uae30\uc5d0 \ube44\ub840\ud558\ub294 \uc22b\uc790\uc758 Extent\uac00 \uac1c\ubcc4 Disk\uc5d0 \ud560\ub2f9 \ub428\uc73c\ub85c\uc368, Application\uc5d0 \uc758\ud574 \ubc1c\uc0dd\ub418\ub294 I\/O load\ub294 […]<\/p>\n","protected":false},"author":1,"featured_media":2857,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_bbp_topic_count":0,"_bbp_reply_count":0,"_bbp_total_topic_count":0,"_bbp_total_reply_count":0,"_bbp_voice_count":0,"_bbp_anonymous_reply_count":0,"_bbp_topic_count_hidden":0,"_bbp_reply_count_hidden":0,"_bbp_forum_subforum_count":0,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"spay_email":""},"categories":[25],"tags":[72,267],"jetpack_featured_media_url":"https:\/\/i0.wp.com\/haisins.synology.me\/wordpress\/wp-content\/uploads\/2018\/02\/oracle-business-intelligence.jpg?fit=973%2C615","amp_enabled":true,"_links":{"self":[{"href":"http:\/\/haisins.synology.me\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/4004"}],"collection":[{"href":"http:\/\/haisins.synology.me\/wordpress\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/haisins.synology.me\/wordpress\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/haisins.synology.me\/wordpress\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/haisins.synology.me\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=4004"}],"version-history":[{"count":2,"href":"http:\/\/haisins.synology.me\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/4004\/revisions"}],"predecessor-version":[{"id":4006,"href":"http:\/\/haisins.synology.me\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/4004\/revisions\/4006"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/haisins.synology.me\/wordpress\/index.php?rest_route=\/wp\/v2\/media\/2857"}],"wp:attachment":[{"href":"http:\/\/haisins.synology.me\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=4004"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/haisins.synology.me\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=4004"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/haisins.synology.me\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=4004"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}