SAS stands for Serial Attached SCSI.
SAS drive utilizes the same form factor as a SATA drive but has several high performance advantages. While typical SATA drives operate at 7200RPM, a SAS drive operates at 10000RPM or 15000RPM.
SAS drives are typically utilized in server and high-end workstation environments where speed and I/O frequency reign supreme.
SSD stands for Solid State Drive.
Two of SSD can be used in a RAID 0 (Redundant Array of Inexpensive Disks) for the boot and applications drive, but then for scratch disks/additional storage, would be good to have 3-5 or more SAS drives in a RAID 5 (best mix of redundancy and speed, with the addition of parity).
Where stability is concerned, the drives must be properly paired. If drives in a RAID array are not properly matched by Firmware version, the odds are that at least one of the drives will fall out of the array within the first year. Depending on the type of array chosen, this could simply mean the company has to foot the bill for higher hardware costs, or be as bad as catastrophic data loss.
The full post on this topic is here. Read comments as well.
SAS drive utilizes the same form factor as a SATA drive but has several high performance advantages. While typical SATA drives operate at 7200RPM, a SAS drive operates at 10000RPM or 15000RPM.
SAS drives are typically utilized in server and high-end workstation environments where speed and I/O frequency reign supreme.
SSD stands for Solid State Drive.
Two of SSD can be used in a RAID 0 (Redundant Array of Inexpensive Disks) for the boot and applications drive, but then for scratch disks/additional storage, would be good to have 3-5 or more SAS drives in a RAID 5 (best mix of redundancy and speed, with the addition of parity).
Where stability is concerned, the drives must be properly paired. If drives in a RAID array are not properly matched by Firmware version, the odds are that at least one of the drives will fall out of the array within the first year. Depending on the type of array chosen, this could simply mean the company has to foot the bill for higher hardware costs, or be as bad as catastrophic data loss.
The full post on this topic is here. Read comments as well.
