Upgrade Guidelines for Oracle Storage Drive Enclosure DE3-12C

The following guidelines apply when upgrading a system by installing Oracle Storage Drive Enclosure DE3-12C disk shelves. Note that two Oracle Storage Drive Enclosure DE3-12C disk shelves can replace one Oracle Storage Drive Enclosure DE3-24C disk shelf.

• Within the same system, the following disk shelves can be intermixed with Oracle Storage Drive Enclosure DE3-12C:

  • Oracle Storage Drive Enclosure DE3-24C

  • Oracle Storage Drive Enclosure DE3-24P, including all-flash configurations

  • Oracle Storage Drive Enclosure DE2-24C

  • Oracle Storage Drive Enclosure DE2-24P

• Oracle Storage Drive Enclosure DE3-12C disk shelves and Oracle Storage Drive Enclosure DE3-24 disk shelves can be in the same SAS chain.

• Oracle Storage Drive Enclosure DE3-12C disk shelves and Oracle Storage Drive Enclosure DE2-24 disk shelves must be in separate SAS chains.

• One disk shelf chain supports a maximum of 12 Oracle Storage Drive Enclosure DE3-12C disk shelves, for a total of 144 drives.

For more information about the maximum number of drive bays and chains supported per Oracle ZFS Storage ZS11-2 model or Oracle ZFS Storage ZS9-2 model, see Maximum Disk Shelves per Controller Configuration.