Users Guide

Table 1. Technical specifications of BOSS-S2 card (continued)

Function or feature BOSS-S2 card

Load balance N/A

Rebuild Yes (Only Auto–rebuild)

Hot spare No

Change rebuild priority/rate No

Virtual disk write back/read ahead cache No

NOTE: BOSS-S2 controller does not support controller

cache.

Battery support N/A

NOTE: BOSS-S2 controller does not support a battery.

Non–RAID disk cache policy Yes

NOTE: OS controlled or device defaults.

SMART Info Yes

NOTE: Use the BOSS-S2 CLI to retrieve the SMART

information from the drives.

Physical disk hot–plug Yes

Virtual disk expansion No

Virtual disk slicing No

Virtual disk migration Yes

NOTE: On new controller, virtual disk must be imported

from HII before presented to OS.

Split mirror No

NOTE: System required to shutdown and migrate one

physical disk to another system and continue rebuild.

Non–RAID migration Yes

BIOS configuration utility (Ctrl-M) Yes

Add on driver for data path (OS device driver) No

NOTE: Console Windows driver or Linux library is required

for management purposes only.

4 K native drive support No

TRIM and UNMAP virtual disk No

TRIM and UNMAP non–RAID physical disk Yes

Self-encrypting drives (SED) support No

Cryptographic erase (sanitize) Yes

NOTE: If drive supports SANITIZE Crypto Erase. No other

encryption support from controller or drive.

Supported M.2 drives of BOSS-S2 card

The BOSS-S2 card supports the following M.2 drives:

CAUTION:

The BOSS-S2 card is tested and supported only with the M.2 drives that are shipped with the

controller.

Dell Technologies Boot Optimized Storage Solution-S2 7