Server performance 2 Tweakers vormt samen met Tweakers Elect , Hardware. Anatomy of a RAID adapter 2 5. I that time there were BIOS and driver revisions, which were implemented on this final benchmarking and platform. Write-thru and degraded array performance The BIOS interface is dead easy, and arrays can be deleted and created with no delay or wait time. Then we had some strange behavior whereby performance actually went down as more drives were added.
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Comparison of nine Serial ATA RAID 5 adapters
Unlike these controllers, RAID 5 requires some hardware horsepower to calculate the parity bits and spread the data across the array. Conclusion Eventually this card has shown us why Promise engineers have so much faith in it. I heartily recommend this card for users looking to utilize four or less drives in a RAID 5 array. Of course there were some growing pains, but the card worked great. I that time there were BIOS and driver revisions, which were implemented on this final benchmarking and platform.
The technical support guys at Promise were very quick in sending us new tools to use but when these showed similar results they sent us a replacement card.
Alternatives not included in this review Intel Pentium 4 2. A source code driver for Linux is not available.
Here’s what you get and the manufacturer’s specifications: The latest drivers from Promise’s web site were used. Write-thru and degraded array performance Check the benchmarks and testbed for more information. Join eBabble on the socials Facebook. Here’s what it looks like with 4 drives attached: Test objective and test field 3.
Originally published May 22nd This seems consistent with other RAID controllers.
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Promise FastTrak SX MB PCI ATA RAID 5 IDE Ultra Controller Card 00 | eBay
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Testbed and test methodology The array shows under disk drives as a Promise Array. Wil je meer informatie over cookies en hoe ze worden gebruikt, bekijk dan ons cookiebeleid.
Performance with 4 drives was superb with sustained rates averaging about 3 times that of the single drive graph above. Access times and sequential transfer rates We can see that 16K is the best stripe set we can confirm this with many more tests but we’ll spare our readers the gory details and we will stick with this.
This gives a slightly better write performance at the expense of read performance. Then there were issues of very slow performance with drives above GB but this was fixed with a firmware update.
An outrageous display, especially for a manufacturer who recommends its products as a performance solution for professional applications.
After all, we could just test 4 drives on a TX but on this card we can actually have them as 4 Masters rather than 2 Masters and 2 Slaves. The largest problem was a crawling performance when the adapter was used to control the boot drive. The SX is a new step for Promise in a lot of ways.
Then we had some strange behavior whereby performance actually went down as more drives were added. RAID5 performance was also excellent and the parity overhead was barely noticeable with the card in a bit PCI slot.
Server performance 2