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Old 19 Hours Ago
rorys rorys is offline
Real Name: Rory
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Default Adaptec RAID Controllers


I was wondering if anyone has been able to get disks showing up in OpenBSD that are connected to an Adaptec 2120S RAID controller. I know that card in particular is not officially supported by the aac(4) driver. I was mostly wondering if anyone had found a particular workaround for it. I've tried multiple RAID configurations, simple volumes, and just not setting any configuration at all, but have had no luck. I've considered contributing to the aac(4) driver, but I'm not entirely sure where to get started.

By the way, I've tried getting the disks to show up on 6.6, 6.7, and 6.8. I can post output from dmesg if requested, but it just lists the RAID controller as "not configured".

Any help is much appreciated. Thank you!
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Old 13 Hours Ago
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jggimi jggimi is offline
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"Not configured" is kernel-speak for, "I found this device, but there is no matching device driver."

You could try adding the device to the kernel driver's source code and compile a test kernel. If the device has the same ABI as other Adaptec models, this might be all that is needed.
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Old 5 Hours Ago
rorys rorys is offline
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Good to know. I think just adding the device to the driver source code might not be a bad idea, though. I know that aac(4) supports the Adaptec 2130S for instance, so maybe they are similar enough. I'll give that a shot and report back any progress. Thank you for confirming my suspicions and for the suggestion!
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aac, adaptec, driver, raid

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