Oracle Linux: ASM Drives got Disconnected After System Reboot — Cloud Customer Connect
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Oracle Linux: ASM Drives got Disconnected After System Reboot

APPLIES TO:

Linux OS–Version Oracle Linux 7.0 to Oracle Linux 9.0 [Release OL7 to OL9]

Oracle Cloud Infrastructure - Version N/A and later

SYMPTOMS:

Oracle Linux instance with ASM drives were disconnected after reboot(disk path changed):

$ cat etc/udev/rules.d/99-oracle-asmdevices.rules

#KERNEL=="sdf*", SUBSYSTEM=="block",  SYMLINK+="asm-data-0001", OWNER="grid", GROUP="asmdba", MODE="0660", ENV{ID_WWN}=="xxxxxxxx"
#KERNEL=="sdg*", SUBSYSTEM=="block",  SYMLINK+="asm-data-0002", OWNER="grid", GROUP="asmdba", MODE="0660", ENV{ID_WWN}=="xxxxxxxx"
#KERNEL=="sdh*", SUBSYSTEM=="block",  SYMLINK+="asm-data-0003", OWNER="grid", GROUP="asmdba", MODE="0660", ENV{ID_WWN}=="xxxxxxxx"
#KERNEL=="sdi*", SUBSYSTEM=="block",  SYMLINK+="asm-data-0000", OWNER="grid", GROUP="asmdba", MODE="0660", ENV{ID_WWN}=="xxxxxxxx"
#KERNEL=="sdj*", SUBSYSTEM=="block",  SYMLINK+="asm-data-0004", OWNER="grid", GROUP="asmdba", MODE="0660", ENV{ID_WWN}=="xxxxxxxx"
#KERNEL=="sdk*", SUBSYSTEM=="block",  SYMLINK+="asm-fra-0002", OWNER="grid", GROUP="asmdba", MODE="0660", ENV{ID_WWN}=="xxxxxxxx"
#KERNEL=="sdl*", SUBSYSTEM=="block",  SYMLINK+="asm-fra-0000", OWNER="grid", GROUP="asmdba", MODE="0660", ENV{ID_WWN}=="xxxxxxxx"
#KERNEL=="sdm*", SUBSYSTEM=="block",  SYMLINK+="asm-fra-0001", OWNER="grid", GROUP="asmdba", MODE="0660", ENV{ID_WWN}=="xxxxxxxx"
#KERNEL=="sdn*", SUBSYSTEM=="block",  SYMLINK+="asm-disk-sdn", OWNER="grid", GROUP="asmdba", MODE="0660", ENV{ID_WWN}=="xxxxxxxx"
#KERNEL=="sdo*", SUBSYSTEM=="block",  SYMLINK+="asm-disk-sdo", OWNER="grid", GROUP="asmdba", MODE="0660", ENV{ID_WWN}=="xxxxxxxx"

KERNEL=="sdf*", SUBSYSTEM=="block", SYMLINK+="asm-data-1", OWNER="grid", GROUP="asmdba", MODE="0660", ENV{ID_SERIAL}=="xxxxxxxx"
KERNEL=="sdg*", SUBSYSTEM=="block", SYMLINK+="asm-data-2", OWNER="grid", GROUP="asmdba", MODE="0660", ENV{ID_SERIAL}=="xxxxxxxx"
KERNEL=="sdh*", SUBSYSTEM=="block", SYMLINK+="asm-data-3", OWNER="grid", GROUP="asmdba", MODE="0660", ENV{ID_SERIAL}=="xxxxxxxx"
KERNEL=="sdi*", SUBSYSTEM=="block", SYMLINK+="asm-data-4", OWNER="grid", GROUP="asmdba", MODE="0660", ENV{ID_SERIAL}=="xxxxxxxx"
KERNEL=="sdj*", SUBSYSTEM=="block", SYMLINK+="asm-data-5", OWNER="grid",

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