!
SAS-, ޣ Adaptec 8405. Σ systemrescue.
- ?
SMART' SAS- , badblocks, (, , - ).
?

fdisk -l, lsblk .
:
[root@sysrescue ~]# lsscsi -g
[4:0:0:0]    cd/dvd  HL-DT-ST DVDRAM GH24NSD1  LG00  /dev/sr0   /dev/sg0
[6:1:0:0]    disk    SEAGATE  ST3300657SS      000B  -          /dev/sg2
[6:1:1:0]    disk    SEAGATE  ST3300657SS      000B  -          /dev/sg3
[6:1:2:0]    disk    SEAGATE  ST3300657SS      000B  -          /dev/sg4
[6:1:3:0]    disk    SEAGATE  ST3300657SS      000B  -          /dev/sg5
[7:0:0:0]    disk    VendorC  ProductCode      3.00  /dev/sda   /dev/sg1
smartctl -a /dev/sgX ( SATA-).

fdisk, parted :
fdisk /dev/sg5
fdisk: cannot open /dev/sg5: Illegal seek

parted /dev/sg4
Error: The device /dev/sg4 is so small that it cannot possibly store a file system or partition table.  Perhaps you selected the wrong device?
Warning: Error fsyncing/closing /dev/sg4: Invalid argument

, , , badblocks ( )?