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 on the maximum number of drive bays supported per Oracle ZFS Storage ZS9-2 model, as well as the maximum number of chains and other information, see Maximum Disk Shelves per Controller Configuration.