Disk saturation

[Curtis Doty]

1:39pm Carlos H. Reimer said:
> 
> How can I be sure if there is a hardware or software raid running over the
> disks? I think it is hardware because there is no mdadm process running, am
> I right?

Wrong logic. Look at /proc/mdstat to see whether raid is running in the 
kernel. The mdadm is just for userland admnistration and/or monitoring.

> scsi[1]: scanning scsi channel 1 [virtual] for logical drives
>   Vendor: MegaRAID  Model: LD 0 RAID1   69G  Rev: 351S
>   Type:   Direct-Access                      ANSI SCSI revision: 02

There's your hardware raid.

../C