[KLUG Members] Really a Raid 5 controller?

[Adam Williams]

>While doing some unrelated work, I once again noticed a couple of strange
>lines in a dmesg file in one of my servers. These seem to indicate that I
>have an unused Raid 5 controller someplace inside this server. Before I down
>this puppy and rip it out of the rack to start looking for a SCSI connector
>on the motherboard, does anyone have any other sane ideas on why I might be
>seeing the following lines in my dmesg file:
><snip>
>md driver 0.90.0 MAX_MD_DEVS=256, MAX_REAL=12
>raid5: measuring checksumming speed
>raid5: MMX detected, trying high-speed MMX checksum routines
>   pII_mmx   :  1672.590 MB/sec
>   p5_mmx    :  1756.410 MB/sec
>   8regs     :  1291.209 MB/sec
>   32regs    :   723.519 MB/sec
>using fastest function: p5_mmx (1756.410 MB/sec)
>scsi : 0 hosts.
>scsi : detected total.
>md.c: sizeof(mdp_super_t) = 4096
></snip>

Nope, this is MD (the software RAID layer) calibrating itself.