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We have a similar issue with RH6 kernel version 2. Thank you very much for your thorough answer. Take a look at the perfmon disk counters – especially the queue length and the disk idle time correlated to the throughput numbers to make sure that it is indeed a problem with your disk array and the transfer is not bottlenecked elsewhere on the destination disk for example. We haven’t looked at cables was but I suppose this might be something we could look at and we will.
Installing CentOS 7 on ATTO expresssas h – CentOS
Sign up using Facebook. We have booted into Linux and used Linux and the same results are seen. For additional information on this update, please visit: A full description of the ConfigUtility is available in the Utilities Manual. PRN Windows Server 1. No, I do not think it is filesystem-specific.
I’m grasping at straws now ATTO has developed a combination of hardware and software elements to deliver unprecedented throughput. Subscribe to this blog’s feed.
If the array performance turns out to be the bottleneck see my comment above on how to use perfmon to check on thatthere are a couple of things you could do:. Introduction Demartek Evaluator Group, Inc.
The vendor ID is for Intel and the device ID seems to be for the PCIe bridge pcieport kernel modulewhich makes me think maybe something on the motherboard may not like the card. Sign up or log in Sign up using Google. Also, you may want to install their driver and config tool wtto update the firmware on the card if applicable. If there are diagnostic procedures specific to the controller, they should know about them.
But the BIOS post screens are fine and no errors are reported. Post as a guest Name. Product photos are available for download at attotech.
ATTO ExpressSAS R680
PRN Windows 10 2. Would it be at all likely if we reformatted the array with EXT4 or XFS under a newer linux build that we would see improved performance? Instructions to install the drivers can be found in the readme files included in the download package.
Attto you require the latest version, please download at: We didn’t measure disk idle time although I will look at that now. After the initial install we recommend libux the latest version of the ATTO Configuration Tool to update the flash bundle before updating to the latest driver version.
With 16 ports, each of which linx capable of delivering up to megabytes per second performance, the H30F makes use of an on-board expander, allowing direct connectivity of up to 16 internal drives and eliminating the need for the enclosure to provide expandability through a mid-plane. The onboard Dell baseboard management controller doesn’t report any hardware errors either.
6Gb ExpressSAS® SAS/SATA HBAs Downloads
The ATTO support team is unfortunately rather unsupportive if you don’t run redhat or suse. It wasn’t the pm module as we weren’t even getting to that point.
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