RAID 0
Minimum of one drive per array.
RAID 5
Minimum of three drives per array.
RAID 6
Minimum of four drives per array.
RAID 10
Minimum of two drives per array.
Connecting the 5887 disk drive enclosure to your system
Follow the steps provided here to cable the 5887 disk drive enclosure to a system or to an adapter in a
system or an expansion drawer.
About this task
To connect the 5887 disk drive enclosure to a system with support for a serial-attached SCSI (SAS) disk
enclosure, complete the following steps.
For more information about SAS cabling and cabling congurations, see Serial-attached SCSI cable
planning (http://www.ibm.com/support/knowledgecenter/POWER9/p9had/p9had_sascabling.htm).
Procedure
1. Determine whether you can add your enclosure to a host system when the system power is turned on
by reviewing the following information. You can add your enclosure when the system powered is
turned on and when logical partitions are active if you have one of the following congurations:
• Your system is managed by an IBM Hardware Management Console (HMC).
• Your system is not managed by an HMC, but has only one partition, and that partition is running the
IBM i operating system.
Note: If you do not have one of these congurations, you must power off the system to add an
enclosure.
2. Ensure that you have the electrostatic discharge (ESD) wrist strap on and that the ESD clip is plugged
into a ground jack or connected to an unpainted metal surface. If not, do so now.
3. Conrm the factory-set mode of the enclosure by using information that is printed on stickers at the
rear of the enclosure. Stickers are attached to the lower-left shelf of the chassis (A) and the center
support between the enclosure services manager modules (B). The stickers indicate whether the
enclosure is set to mode 1, mode 2, or mode 4.
Installing the 5887 disk drive enclosure or setting up a preinstalled 5887 disk drive enclosure
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