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The onboard Dell baseboard management controller doesn’t report any hardware errors either.
Once the card is installed, POST is fine and as the linux kernel is booting we get:. Sign up using Email and Password. We didn’t measure disk idle time although I will look at that now.
The second guess would be a bug or hardware problem of some sorts. Is this a controller issue then? I know RAID 5 sass good for write peformance, but what could be causing this weird inconsistent read performance?
6Gb ExpressSAS® SAS/SATA RAID Downloads
The ATTO support team is unfortunately rather unsupportive if you don’t run redhat or suse. This is great info and I apologize for not providing you with as much info to begin with.
With 16 ports, each of which is capable liux 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.
We have booted into Linux and used Linux and the same results are seen. There is no other load on the array or server. We ended up rolling back to the debian stock 3.
ATTO’s ExpressSAS H30F SAS/SATA Host Adapter named a YES CERTIFIED by Novell | Library
Yearly Archives Download the tool to your Mac and double click linuz file to launch the installer. Instructions to install the drivers can be found in the readme files included in the download package.
In Linux kernel 2. I have tried the card in sass slots on the server with no different reaction. Post as a guest Name. Download this file to your Mac and use the latest version of the ATTO Configuration Tool to install the firmware file to the host adapter. We have a similar issue with RH6 kernel version 2. As of Maythe only Linux distribution currently using this kernel is Fedora Core Also, you may want to install their driver and config tool to update the firmware on the card if applicable.
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.
The vendor Linix 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. Hi thanks for the answer. The problem is, when transferring files from the array to local C: We are running kernel 3. ATTO provides a wide range of end-to-end solutions to help customers’ better store, manage and deliver their data.
Rebooting in 30 seconds.