SATA

Serial ATA is a computer bus interface that connects host bus adapters to mass storage devices such as hard disk drives, optical drives, and solid-state drives. SATA has become the predominant interface for storage devices.

SATA output in Linux

$ lspci
00:1f.2 SATA controller: Intel Corporation 6 Series/C200 Series Chipset Family SATA AHCI Controller (rev 05)

$ lspci
00:17.0 SATA controller: Intel Corporation 200 Series PCH SATA controller [AHCI mode]

SAS

• SAS-4 22.5 Gbit/s 2.25 GB/s
• SAS-3 12 Gbit/s 1.2 GB/s
• SAS-2 6 Gbit/s 600 MB/s
• SAS-1 3 Gbit/s 300 MB/s

SAS output in Linux

$ lspci
5c:00.0 Serial Attached SCSI controller: Adaptec Smart Storage PQI 12G SAS/PCIe 3 (rev 01)

Activities

1. Read wikipedia page about https://en.wikipedia.org/wiki/Serial_ATA
2. Identify many properties of a Serial ATA connection, such as hot swap capabilities.
3. Identify differences between SATA and SAS (Serial Attached SCSI) https://en.wikipedia.org/wiki/Serial_Attached_SCSI
4. Read StackOverflow questions about SATA: https://stackoverflow.com/questions/tagged/sata?tab=Votes

See also

• UFF
• SAS, stands for serial attached SCSI.
• Block devices: blkid (UUID), lshw -class disk, hwinfo --disk, udevadm, rescan-scsi-bus.sh, LUN, hdparm, findfs, Add a new disk
• lsblk, pvscan lspci, lsscsi, smartctl, fdisk, parted, Kpartx, pvdiplay, pvs, udisksctl, /dev/sd, nvme list