IBM ServeRAID M1015 - IT mode, ports & ZFS support
IBM ServeRAID M1015 ships in RAID/IR mode - crossflash to IT firmware (9211-8i IT) before ZFS/TrueNAS will see disks directly.
| Chipset | SAS2008 |
| SAS generation | SAS2 6Gb/s |
| Ports | 8 internal (2x SFF-8087) |
| PCIe | PCIe 2.0 x8 |
| IT mode | Crossflash required → 9211-8i IT |
| Recommended firmware | P20 20.00.07.00 (2118it.bin) |
| Driver | Linux mpt3sas · FreeBSD mps |
| ZFS / TrueNAS | Ready (after flashing to IT) |
| OEM equivalents | = 9211-8i |
Classic cheap crossflash target. Wipe the MegaRAID SBR (megarec) before flashing LSI IT firmware.
How to crossflash to IT mode →
The complete IT-mode HBA guide →
HBAs are mostly a used-market item; the link opens current Amazon listings for this card.