{"id":1059,"date":"2026-10-12T11:28:30","date_gmt":"2026-10-12T08:28:30","guid":{"rendered":"https:\/\/oraclius.com.tr\/?p=1059"},"modified":"2026-10-12T11:28:31","modified_gmt":"2026-10-12T08:28:31","slug":"oracle-racta-ocr-tasima-ocrconfig-add-ve-delete-ile-baska-bir-asm-disk-groupa-adim-adim","status":"publish","type":"post","link":"https:\/\/oraclius.com.tr\/en\/oracle-racta-ocr-tasima-ocrconfig-add-ve-delete-ile-baska-bir-asm-disk-groupa-adim-adim\/","title":{"rendered":"Oracle RAC’ta OCR Ta\u015f\u0131ma: ocrconfig -add ve -delete ile Ba\u015fka Bir ASM Disk Group’a Ad\u0131m Ad\u0131m"},"content":{"rendered":"

OCR (Oracle Cluster Registry), RAC cluster’\u0131n\u0131n yap\u0131land\u0131rma bilgisini tutar: database, servis, listener ve resource kay\u0131tlar\u0131. Bu yaz\u0131da 2 node’lu bir Oracle 19c RAC’ta (oraclius1<\/code>, oraclius2<\/code>) OCR’\u0131 EXTERNAL redundancy’li OCR<\/code> disk group’tan HIGH redundancy’li VOTE<\/code> disk group’a ta\u015f\u0131yoruz. Ayr\u0131ca -replace<\/code> komutunun neden PROT-28<\/code> hatas\u0131 verdi\u011fini ve do\u011fru y\u00f6ntemi g\u00f6steriyorum.<\/p>\n\n\n\n

OCR ile Voting Disk Aras\u0131ndaki Fark<\/h2>\n\n\n\n
<\/th>Voting Disk<\/th>OCR<\/th><\/tr><\/thead>
Ta\u015f\u0131ma komutu<\/td>crsctl replace votedisk<\/code><\/td>ocrconfig -add<\/code> and ocrconfig -delete<\/code><\/td><\/tr>
Kopya say\u0131s\u0131<\/td>Disk group’un redundancy tipi belirler<\/td>Siz belirlersiniz (en fazla 5 konum)<\/td><\/tr>
\u00c7al\u0131\u015ft\u0131ran kullan\u0131c\u0131<\/td>root<\/code><\/td>root<\/code><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

Voting disk’te kopya say\u0131s\u0131 disk group’tan otomatik gelir. OCR’da ise her ek kopya, ocrconfig -add<\/code> ile ekledi\u011finiz ayr\u0131 bir konumdur.<\/p>\n\n\n\n

Mevcut Durum<\/h2>\n\n\n\n

OCR \u015fu an tek konumda, +OCR<\/code> disk group’ta. ocrcheck<\/code>‘i root<\/code> ile \u00e7al\u0131\u015ft\u0131r\u0131n, b\u00f6ylece mant\u0131ksal bozulma kontrol\u00fc de yap\u0131l\u0131r:<\/p>\n\n\n\n

# root olarak\n\/u01\/app\/19\/grid\/bin\/ocrcheck\n<\/code><\/pre>\n\n\n\n
Status of Oracle Cluster Registry is as follows :\n\t Version                  :          4\n\t Total space (kbytes)     :     491684\n\t Used space (kbytes)      :      84316\n\t Available space (kbytes) :     407368\n\t ID                       : 1780929620\n\t Device\/File Name         :       +OCR\n\t                            Device\/File integrity check succeeded\n\t                            Device\/File not configured\n\t                            Device\/File not configured\n\t                            Device\/File not configured\n\t                            Device\/File not configured\n\t Cluster registry integrity check succeeded\n<\/code><\/pre>\n\n\n\n
Birinci konum dolu, di\u011fer d\u00f6rt konum not configured<\/code>. ocrcheck<\/code>‘i root<\/code> yerine oracle<\/code> kullan\u0131c\u0131s\u0131yla \u00e7al\u0131\u015ft\u0131r\u0131rsan\u0131z son sat\u0131rda Logical corruption check bypassed due to non-privileged user<\/code> uyar\u0131s\u0131 \u00e7\u0131kar.<\/p>\n\n\n\n
Disk group’lar\u0131n durumu:<\/p>\n\n\n\n
asmcmd lsdg\n<\/code><\/pre>\n\n\n\n
State    Type    ...  Total_MB  Free_MB  Req_mir_free_MB  Usable_file_MB  ...  Voting_files  Name\nMOUNTED  EXTERN  ...     10236     7188                0            7188  ...             N  DATA\/\nMOUNTED  EXTERN  ...     14332    13952                0           13952  ...             N  OCR\/\nMOUNTED  HIGH    ...      7168     6456             2048            1469  ...             Y  VOTE\/\n<\/code><\/pre>\n\n\n\n
VOTE<\/code> disk group’un failgroup yap\u0131s\u0131:<\/p>\n\n\n\n
asmcmd lsdsk -k -G VOTE\n<\/code><\/pre>\n\n\n\n
VOTE<\/code> i\u00e7inde 7 disk ve 7 ayr\u0131 failgroup (FAIL_V1<\/code> … FAIL_V7<\/code>) var. HIGH redundancy’de ASM her dosyay\u0131 3 kopya olarak farkl\u0131 failgroup’lara yazar.<\/p>\n\n\n\n
Ta\u015f\u0131ma \u00d6ncesi Kontroller<\/h2>\n\n\n\n
1. Hedef disk group’ta yeterli alan var m\u0131?<\/h3>\n\n\n\n
OCR i\u00e7in yakla\u015f\u0131k 480 MB alan ayr\u0131l\u0131r (Total space<\/code> de\u011feri). HIGH redundancy’de bu alan 3 kopya yaz\u0131ld\u0131\u011f\u0131 i\u00e7in ham Free_MB<\/code> yan\u0131lt\u0131c\u0131d\u0131r. Usable_file_MB<\/code><\/strong> s\u00fctununa bak\u0131n, bu de\u011fer mirror kopyalar\u0131n\u0131 ve Req_mir_free_MB<\/code> rezervini zaten hesaba katar. Burada VOTE<\/code> i\u00e7in 1469 MB kullan\u0131labilir alan var, yeterli.<\/p>\n\n\n\n
2. Disk group iki node’da da mount mu?<\/h3>\n\n\n\n
srvctl status diskgroup -diskgroup VOTE\n<\/code><\/pre>\n\n\n\n
3. compatible.asm de\u011feri uygun mu?<\/h3>\n\n\n\n
asmcmd lsattr -G VOTE -l compatible.asm\n<\/code><\/pre>\n\n\n\n
De\u011fer en az 11.2 olmal\u0131d\u0131r. 19c kurulumda genellikle sorun \u00e7\u0131kmaz.<\/p>\n\n\n\n
4. OCR yede\u011fi al\u0131n<\/h3>\n\n\n\n
# root olarak\n\/u01\/app\/19\/grid\/bin\/ocrconfig -manualbackup\n\/u01\/app\/19\/grid\/bin\/ocrconfig -showbackup\n<\/code><\/pre>\n\n\n\n
OCR bozulursa ocrconfig -restore<\/code> ile bu yedekten d\u00f6nersiniz.<\/p>\n\n\n\n
Neden ocrconfig -replace \u00c7al\u0131\u015fm\u0131yor? (PROT-28)<\/h2>\n\n\n\n
OCR tek konumdayken do\u011frudan de\u011fi\u015ftirmeyi denerseniz \u015fu hatay\u0131 al\u0131rs\u0131n\u0131z:<\/p>\n\n\n\n
\/u01\/app\/19\/grid\/bin\/ocrconfig -replace +OCR -replacement +VOTE\n<\/code><\/pre>\n\n\n\n
PROT-28: Cannot delete or replace the only configured Oracle Cluster Registry location.\n<\/code><\/pre>\n\n\n\n
Oracle, tek OCR konumunun silinmesine veya de\u011fi\u015ftirilmesine izin vermez. \u00c7\u00f6z\u00fcm: \u00f6nce yeni konumu ekleyin, sonra eskisini silin.<\/p>\n\n\n\n
OCR’\u0131 +OCR’dan +VOTE’a Ta\u015f\u0131ma<\/h2>\n\n\n\n
T\u00fcm komutlar root<\/code> ile, cluster a\u00e7\u0131kken \u00e7al\u0131\u015ft\u0131r\u0131l\u0131r. Cluster’\u0131 kapatman\u0131z gerekmez.<\/p>\n\n\n\n
Ad\u0131m 1: Yeni konumu ekleyin<\/h3>\n\n\n\n
\/u01\/app\/19\/grid\/bin\/ocrconfig -add +VOTE\n\/u01\/app\/19\/grid\/bin\/ocrcheck\n<\/code><\/pre>\n\n\n\n
ocrcheck<\/code> \u00e7\u0131kt\u0131s\u0131nda iki konum g\u00f6r\u00fcnmelidir: +OCR<\/code> and +VOTE<\/code>, ikisi i\u00e7in de integrity check succeeded<\/code>.<\/p>\n\n\n\n
Status of Oracle Cluster Registry is as follows :\n\t Version                  :          4\n\t Total space (kbytes)     :     491684\n\t Used space (kbytes)      :      84340\n\t Available space (kbytes) :     407344\n\t ID                       : 1780929620\n\t Device\/File Name         :       +OCR\n                                    Device\/File integrity check succeeded\n\t Device\/File Name         :      +VOTE\n                                    Device\/File integrity check succeeded\n\n                                    Device\/File not configured\n\n                                    Device\/File not configured\n\n                                    Device\/File not configured\n\n\t Cluster registry integrity check succeeded\n\n\t Logical corruption check succeeded<\/code><\/pre>\n\n\n\n
Ad\u0131m 2: Eski konumu silin<\/h3>\n\n\n\n
\/u01\/app\/19\/grid\/bin\/ocrconfig -delete +OCR\n\/u01\/app\/19\/grid\/bin\/ocrcheck\n<\/code><\/pre>\n\n\n\n
Art\u0131k Device\/File Name<\/code> olarak sadece +VOTE<\/code> g\u00f6r\u00fcnmelidir. Bu s\u0131rayla ilerledi\u011finiz i\u00e7in OCR hi\u00e7bir anda korumas\u0131z kalmaz.<\/p>\n\n\n\n
Status of Oracle Cluster Registry is as follows :\n\t Version                  :          4\n\t Total space (kbytes)     :     491684\n\t Used space (kbytes)      :      84340\n\t Available space (kbytes) :     407344\n\t ID                       : 1780929620\n\t Device\/File Name         :      +VOTE\n                                    Device\/File integrity check succeeded\n\n                                    Device\/File not configured\n\n                                    Device\/File not configured\n\n                                    Device\/File not configured\n\n                                    Device\/File not configured\n\n\t Cluster registry integrity check succeeded\n\n\t Logical corruption check succeeded<\/code><\/pre>\n\n\n\n
Ad\u0131m 3: Sonucu do\u011frulay\u0131n<\/h3>\n\n\n\n
Her iki node’da da kontrol edin:<\/p>\n\n\n\n
cat \/etc\/oracle\/ocr.loc\n\/u01\/app\/19\/grid\/bin\/ocrcheck\ncrsctl check cluster -all\n<\/code><\/pre>\n\n\n\n
ocr.loc<\/code> dosyas\u0131nda ocrconfig_loc=+VOTE<\/code> yazmal\u0131, ocrcheck<\/code> iki node’da da ayn\u0131 sonucu vermeli, cluster bile\u015fenleri online<\/code> olmal\u0131d\u0131r.<\/p>\n\n\n\n
OCR’\u0131 Multiplex Etme (\u0130ste\u011fe Ba\u011fl\u0131)<\/h2>\n\n\n\n
HIGH redundancy, OCR dosyas\u0131n\u0131 VOTE<\/code> i\u00e7inde 3 kopya olarak tutar ve iki failgroup kayb\u0131na kadar korur. Ancak OCR h\u00e2l\u00e2 tek bir disk group’tad\u0131r<\/strong>; VOTE<\/code> disk group tamamen kaybedilirse OCR de gider. Bu riske kar\u015f\u0131 ayr\u0131 bir disk group’a ek konum ekleyebilirsiniz:<\/p>\n\n\n\n
\/u01\/app\/19\/grid\/bin\/ocrconfig -add +DATA\n\/u01\/app\/19\/grid\/bin\/ocrcheck\n<\/code><\/pre>\n\n\n\n
ocrcheck<\/code> \u00e7\u0131kt\u0131s\u0131nda +VOTE<\/code> and +DATA<\/code> olmak \u00fczere iki konum g\u00f6r\u00fcn\u00fcr. Toplam 5 konuma kadar ekleme yap\u0131labilir ve her konum ayr\u0131 bir disk group olmal\u0131d\u0131r. Konum silmek i\u00e7in:<\/p>\n\n\n\n
\/u01\/app\/19\/grid\/bin\/ocrconfig -delete +DATA\n<\/code><\/pre>\n\n\n\n
Art\u0131k birden fazla konum oldu\u011fu i\u00e7in ocrconfig -replace <eski> -replacement <yeni><\/code> komutu da \u00e7al\u0131\u015f\u0131r, ama -add<\/code> and -delete<\/code> ikilisi her ad\u0131m\u0131 ayr\u0131 do\u011frulaman\u0131za izin verdi\u011fi i\u00e7in daha g\u00fcvenlidir.<\/p>\n\n\n\n
Eski Disk Group’u Silmeden \u00d6nce<\/h2>\n\n\n\n
OCR<\/code> disk group’u silmeyi planl\u0131yorsan\u0131z i\u00e7inde ba\u015fka Grid bile\u015feni kalmad\u0131\u011f\u0131ndan emin olun. En s\u0131k unutulanlar ASM spfile, ASM password file ve OCR yedekleridir.<\/p>\n\n\n\n
asmcmd spget\nasmcmd pwget --asm\n<\/code><\/pre>\n\n\n\n
\u00c7\u0131kt\u0131daki yol +OCR<\/code> ile ba\u015fl\u0131yorsa ta\u015f\u0131y\u0131n (yollar\u0131 kendi \u00e7\u0131kt\u0131n\u0131zdan al\u0131n, a\u015fa\u011f\u0131dakiler \u00f6rnektir):<\/p>\n\n\n\n
asmcmd spmove <eski_spfile_yolu> +VOTE\/spfileASM.ora\nasmcmd pwmove --asm <eski_pwfile_yolu> +VOTE\/orapwASM\n<\/code><\/pre>\n\n\n\n
OCR yedek konumunu da kontrol edin:<\/p>\n\n\n\n
\/u01\/app\/19\/grid\/bin\/ocrconfig -showbackup\n<\/code><\/pre>\n\n\n\n
Yedekler eski disk group’ta tutuluyorsa ocrconfig -backuploc <yeni_konum><\/code> ile yeni bir konuma al\u0131n.<\/p>\n\n\n\n
Dikkat Edilecekler<\/h2>\n\n\n\n
    \n
  • OCR komutlar\u0131 root<\/code> ile \u00e7al\u0131\u015ft\u0131r\u0131l\u0131r ve cluster a\u00e7\u0131kken online yap\u0131l\u0131r.<\/li>\n\n\n\n
  • Ta\u015f\u0131ma \u00f6ncesi ocrconfig -manualbackup<\/code> almay\u0131 unutmay\u0131n.<\/li>\n\n\n\n
  • Disk group’un yeterli alan\u0131n\u0131 Free_MB<\/code> de\u011fil Usable_file_MB<\/code> ile kontrol edin.<\/li>\n\n\n\n
  • ocrcheck<\/code> \u00e7\u0131kt\u0131s\u0131n\u0131 her iki node’da kontrol edin.<\/li>\n\n\n\n
  • \u0130\u015flemi \u00f6nce test ortam\u0131nda deneyin, production’da bak\u0131m penceresinde yap\u0131n.<\/li>\n<\/ul>\n\n\n\n
    S\u0131k\u00e7a Sorulan Sorular<\/h2>\n\n\n\n
    OCR ta\u015f\u0131mak i\u00e7in cluster’\u0131 kapatmak gerekir mi?<\/strong>
    Hay\u0131r, ocrconfig -add<\/code> and -delete<\/code> cluster a\u00e7\u0131kken online \u00e7al\u0131\u015f\u0131r.<\/p>\n\n\n\n
    ocrconfig -replace neden PROT-28 hatas\u0131 veriyor?<\/strong>
    OCR tek konumda tutuluyorsa Oracle o konumun silinmesine veya de\u011fi\u015ftirilmesine izin vermez. \u00d6nce -add<\/code> ile yeni konumu ekleyip sonra -delete<\/code> ile eskisini silmelisiniz.<\/p>\n\n\n\n
    OCR’\u0131 HIGH redundancy disk group’a koymak yeterli mi?<\/strong>
    Disk ve failgroup kay\u0131plar\u0131na kar\u015f\u0131 korur ama disk group’un tamam\u0131n\u0131n kayb\u0131na kar\u015f\u0131 korumaz. Bunun i\u00e7in farkl\u0131 bir disk group’a ek OCR konumu ekleyin.<\/p>\n\n\n\n
    OCR i\u00e7in en fazla ka\u00e7 konum eklenebilir?<\/strong>
    5. Her biri ayr\u0131 bir disk group olmal\u0131d\u0131r.<\/p>\n\n\n\n
    Sonu\u00e7<\/h2>\n\n\n\n
    OCR tek konumdayken ocrconfig -replace<\/code> ile ta\u015f\u0131namaz, PROT-28<\/code> hatas\u0131 verir. Do\u011fru y\u00f6ntem \u00f6nce ocrconfig -add<\/code> ile yeni disk group’u eklemek, ocrcheck<\/code> ile do\u011frulamak ve ard\u0131ndan ocrconfig -delete<\/code> ile eski konumu silmektir. Ta\u015f\u0131ma sonras\u0131 ocrcheck<\/code>‘i her iki node’da \u00e7al\u0131\u015ft\u0131rmay\u0131 unutmay\u0131n.<\/p>\n\n\n\n
    ","protected":false},"excerpt":{"rendered":"
    OCR (Oracle Cluster Registry), cluster’\u0131n yap\u0131land\u0131rma bilgisini tutar: database, servis, listener ve resource kay\u0131tlar\u0131. Bu yaz\u0131da 2 node’lu bir Oracle 19c RAC’ta (oraclius1, oraclius2) OCR’\u0131 EXTERNAL redundancy’li OCR disk group’tan HIGH redundancy’li VOTE disk group’a ta\u015f\u0131yoruz.<\/p>","protected":false},"author":1,"featured_media":1060,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[43],"tags":[],"class_list":["post-1059","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-genel-en"],"_links":{"self":[{"href":"https:\/\/oraclius.com.tr\/en\/wp-json\/wp\/v2\/posts\/1059","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/oraclius.com.tr\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/oraclius.com.tr\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/oraclius.com.tr\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/oraclius.com.tr\/en\/wp-json\/wp\/v2\/comments?post=1059"}],"version-history":[{"count":1,"href":"https:\/\/oraclius.com.tr\/en\/wp-json\/wp\/v2\/posts\/1059\/revisions"}],"predecessor-version":[{"id":1061,"href":"https:\/\/oraclius.com.tr\/en\/wp-json\/wp\/v2\/posts\/1059\/revisions\/1061"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/oraclius.com.tr\/en\/wp-json\/wp\/v2\/media\/1060"}],"wp:attachment":[{"href":"https:\/\/oraclius.com.tr\/en\/wp-json\/wp\/v2\/media?parent=1059"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/oraclius.com.tr\/en\/wp-json\/wp\/v2\/categories?post=1059"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/oraclius.com.tr\/en\/wp-json\/wp\/v2\/tags?post=1059"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}