Performance in FC-Test
We stick to our traditional methodology of using FC-Test: we create two logical volumes, 32GB each, on the array and format them in NTFS and then in FAT32. We create a set of files on the first volume, and then this pattern is read from the array, then copied into a folder on the same partition (copy-near – inside one and the same logical volume), and finally copied onto another partition (copy-far).
The test system is rebooted between the tests to avoid the influence of the OS’s caching on the results. We use five file patterns here:
- Install (414 files, 575MB in total)
- ISO (three files, 1.6GB in total)
- MP3 (271 files, 1GB in total)
- Programs (8504 files, 1.4GB in total)
- Windows (9006 files, 1.06GB in total)
NTFS File System
Let’s start with NTFS. We’re going to examine the results of each test action for each pattern independently due to the abundance of data we have received. The first action is the creation of a set of files on the array.
We will consider three most interesting sets on the diagrams:
As we have expected, RAID 0 arrays are the fastest here and highlyscalable depending on the number of HDDs. RAID1 and RAID10 arrays are always falling behind the single drive and RAID0 array of two drives respectively.
RAID5 array is the slowest here, although we can see great scalability of the results in all patterns.
Now let’s check out the reading:
We have already seen this result in our article called LSI MegaRAID SATA 300-8X Controller Review.
The performance levels of three- and four-drive RAID0 and RAID5 arrays are very close and aren’t too high. The read speed from RAID1 and RAID10 arrays is almost the same as in case of a single hard disk drive and two-HDD RAID0.