Dell Boot Optimized Storage Solution-N1 User's Guide

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Technical specifications of BOSS-N1 Monolithic, BOSS-N1 Modular ET, and BOSS-N1 Modular controllers

The following table lists the technical specifications of BOSS-N1 Monolithic, BOSS-N1 Modular, and BOSS-N1 Modular ET controllers :

Table 1. Technical specifications of BOSS-N1 Monolithic and BOSS-N1 Modular ETThis table describes the technical specifications of BOSS-N1 Monolithic, BOSS-N1 Modular, and BOSS-N1 Modular ET controllers.
Function or feature	BOSS-N1 Monolithic	BOSS-N1 Modular ET	BOSS-N1 Modular
Hot–plug of NVMe M.2 drives	Yes	No	No
LED activity of M.2 drives	Yes	No	No
Secure firmware update	Yes	Yes	Yes
RAID levels	Single drive RAID 0 and dual drive RAID 1	Single drive RAID 0 and dual drive RAID 1	Single drive RAID 0 and dual drive RAID 1
Stripe size	Supports default 128 K stripe size only	Supports default 128 K stripe size only	Supports default 128 K stripe size only
Battery backup unit	No	No	No
Non–volatile cache	No	No	No
Virtual disk cache function	Write-through	Write-through	Write-through
Maximum number of virtual disks	1	1	1
Maximum number of drives supported	2	2	2
Support for non–RAID disks	No	No	No
Drive types	M.2 NVMe	M.2 NVMe	M.2 NVMe
PCIe support	Gen 3	Gen 3	Gen 3
Disk cache policy	Drive default	Drive default	Drive default
Configuration (HII)	Yes	Yes	Yes
Full initialization	No	No	No
Fast initialization	Yes NOTE:By default, fast initialization is performed when you create a virtual disk.	Yes NOTE:By default, fast initialization is performed when you create a virtual disk.	Yes NOTE:By default, fast initialization is performed when you create a virtual disk.
Background initialization	No	No	No
RAID 0	Yes (single drive RAID 0)	Yes (single drive RAID 0)	Yes (single drive RAID 0)
RAID 1	Yes	Yes	Yes
Single non–RAID	No	No	No
Dual non–RAID	No	No	No
Foreign import	Yes NOTE:iDRAC user interface does not support importing a foreign VD. Use HII or delete the VD.	Yes NOTE:iDRAC user interface does not support importing a foreign VD. Use HII or delete the VD.	Yes NOTE:iDRAC user interface does not support importing a foreign VD. Use HII or delete the VD.
Consistency check	No	No	No
Patrol-read	No	No	No
Load balance	N/A	N/A	N/A
Rebuild	Yes	Yes	Yes
Hot-spare	No	No	No
Change rebuild priority/rate	No	No	No
Virtual disk write-back/read-ahead cache	No NOTE:BOSS-N1 does not support controller cache.	No NOTE:BOSS-N1 does not support controller cache.	No NOTE:BOSS-N1 does not support controller cache.
Battery support	N/A NOTE:BOSS-N1 does not support a battery.	N/A NOTE:BOSS-N1 does not support a battery.	N/A NOTE:BOSS-N1 does not support a battery.
Non–RAID disk cache policy	Yes NOTE:Operating system controlled or device defaults.	Yes NOTE:Operating system controlled or device defaults.	Yes NOTE:Operating system controlled or device defaults.
SMART Info	Yes NOTE:Use the BOSS-N1 CLI to retrieve the SMART information from the drives.	Yes NOTE:Use the BOSS-N1 CLI to retrieve the SMART information from the drives.	Yes NOTE:Use the BOSS-N1 CLI to retrieve the SMART information from the drives.
Physical disk hot–plug	Yes	No	No
Virtual disk expansion	No	No	No
Virtual disk slicing	No	No	No
Virtual disk migration	Yes NOTE:On a new controller, virtual disks must be imported from HII before presented to operating system.	Yes NOTE:On a new controller, virtual disks must be imported from HII before presented to operating system.	Yes NOTE:On a new controller, virtual disks must be imported from HII before presented to operating system.
Split mirror	No NOTE:Power off the system and migrate one physical disk to another system and continue rebuild.	No NOTE: Power off the system and migrate one physical disk to another system and continue rebuild.	No NOTE: Power off the system and migrate one physical disk to another system and continue rebuild.
Non–RAID migration	Not applicable	Not applicable	Not applicable
Legacy BIOS mode	No	No	No
Add on driver for data path (operating system device driver)	No	No	No
4 K native drive support	No	No	No
TRIM and UNMAP virtual disk	No	No	No
TRIM and UNMAP non–RAID physical disk	No	No	No
Self-Encrypting Drives (SEDs) support	Yes	Yes	Yes
Cryptographic erase (sanitize)	Yes NOTE:If drive supports Sanitize Crypto Erase. No other encryption support from controller or drive.	Yes NOTE:If drive supports Sanitize Crypto Erase. No other encryption support from controller or drive.	Yes NOTE:If drive supports Sanitize Crypto Erase. No other encryption support from controller or drive.