I have HP Proliant DL380 G7 with four SAS hdd on HP SmartArray p410i. All hdd are configured as RAID-0. I installed on it Debian Wheezy (linux-image 3.2.0-amd64) without any troubles. But when I tried to test hot-swap I had an issue. Disconnected disks did not disappear from system until reboot.
Before switch-off: meta@ark:~$ lsscsi [0:0:0:0] storage HP P410i 5.12 - [0:0:0:1] disk HP LOGICAL VOLUME 5.12 - [0:0:0:2] disk HP LOGICAL VOLUME 5.12 /dev/sda [0:0:0:3] disk HP LOGICAL VOLUME 5.12 /dev/sdb [0:0:0:4] disk HP LOGICAL VOLUME 5.12 /dev/sdc [1:0:0:0] cd/dvd hp DVD A DS8A5LH 1HE4 /dev/sr0 ...and after: meta@ark:~$ lsscsi [0:0:0:0] storage HP P410i 5.12 - [0:0:0:1] disk HP LOGICAL VOLUME 5.12 - [0:0:0:2] disk HP LOGICAL VOLUME 5.12 /dev/sda [0:0:0:3] disk HP LOGICAL VOLUME 5.12 /dev/sdb [0:0:0:4] disk HP LOGICAL VOLUME 5.12 /dev/sdc [1:0:0:0] cd/dvd hp DVD A DS8A5LH 1HE4 /dev/sr0