Disk Shelf Configurations

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The following table describes device types supported for each disk shelf. For cabling information, see Oracle ZFS Storage Appliance Cabling Guide. For information on disk compatibility, see the Oracle Systems Handbook.

Table 53 Disk Shelf Configurations

Shelf	Device Types	Data Slots	Cache/Log Slots	Notes/Examples
DE3-24P/DE2-24P	Data	0 - 23	none	Fully populated HDD data devices.
	20 Data and 1-4 Log devices	0 - 19	20 - 23	Twenty HDD data devices and up to four log devices. Example slot configurations: Slot 20 (Log), Slot 21 (Log), Slot 22 (Log), Slot 23 (Log) Slot 20 (Log), Slot 21 (Log), Slot 22 (filler), Slot 23 (filler)
	20 Data and 1-4 Cache or Meta devices	0 - 19	20 - 23	Software version OS8.6.0 or later is required for read cache devices. OS8.7.0 or later is required for meta devices. Up to four read cache or meta devices installed in consecutive slots. (Two meta devices recommended for four disk shelves.) Example slot configuration: Slot 20 (Cache), Slot 21 (Cache), Slot 22 (filler), Slot 23 (filler)
	20 Data and 1-4 Log, Cache, or Meta devices	0 - 19	20 - 23	Software version OS8.6.0 or later is required for read cache devices. OS8.7.0 or later is required for meta devices. Up to four log, read cache, or meta devices installed in consecutive slots. (Two meta devices recommended for four disk shelves.) Example slot configuration: Slot 20 (Cache), Slot 21 (Cache), Slot 22 (Log), Slot 23 (Log)
DE3-24P All-Flash	24 Data 20 Data and 1-4 Log devices	0 - 23 0 - 19	none 20 - 23	Software version OS8.7.0 or later is required for all-flash pools. Fully populated SSD data devices or data devices and optional log devices.
DE3-24C/DE2-24C	Data	0 - 23	none	Fully populated HDD data devices.
	20 Data and 1-4 Log devices	0 - 19	20 - 23	Twenty HDD data devices and up to four log devices installed in consecutive slots. Example slot configurations: Slot 20 (Log), Slot 21 (Log), Slot 22 (Log), Slot 23 (Log) Slot 20 (Log), Slot 21 (Log), Slot 22 (filler), Slot 23 (filler)
	20 Data and 1-4 Cache or Meta devices	0 - 19	20 - 23	Software version OS8.6.0 or later is required for read cache devices. OS8.7.0 or later is required for meta devices. Up to four read cache or meta devices installed in consecutive slots. (Two meta devices recommended for four disk shelves.) Example slot configuration: Slot 20 (Cache), Slot 21 (Cache), Slot 22 (filler), Slot 23 (filler)
	20 Data and 1-4 Log, Cache, or Meta devices	0 - 19	20 - 23	Software version OS8.6.0 or later is required for read cache devices. OS8.7.0 or later is required for meta devices. Twenty HDD data devices and up to four log, read cache, or meta devices installed in consecutive slots. (Two meta devices recommended for four disk shelves.) Example slot configuration: Slot 20 (Cache), Slot 21 (Cache), Slot 22 (Log), Slot 23 (Log)
Sun Disk Shelf (DS2)	Data	0 - 23	none	Fully populated HDD data devices.
	20 Data and 1-4 Log devices	0-23	20 - 23	20 HDD data devices and up to four SSD log devices installed in consecutive slots. Note - Read cache devices and meta devices cannot be installed in the Sun Disk Shelf.