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Date: Tue, 02 Feb 2010 12:40:25 +0900 From: Tejun Heo <tj@...nel.org> To: Chandra Nepali <edu4madh@...il.com> CC: linux-kernel@...r.kernel.org Subject: Re: port multiplier problem Hello, On 01/22/2010 01:51 AM, Chandra Nepali wrote: > I have a disk array of 12 disks. The interface card has two sil3726 port > multiplier for 10 disks (5 disks in each port multiplier) and 2 direct > sata connectors. The host controller is sil3124. It was connected to > suse 10.4 and working fine. Wasn't 10.3 the last of 10 series? After that it was 11.0. What's the version of the kernel? > There was a high voltage accident (high voltage to disk array only, not > computer) and because of that we replaced the power supply of this disk > array. Now, we are getting some problem, disks are not being > recognized,. Ouch... > So, I connected it to Fedora 12 (To correct if it is > because of some bugs) with driver sil24. Here are few things that I have > tested. > > 1) If I connect only one disk to direct sata connector, it works fine. > 2) If I connect two disks to both direct sata connectors, it won't work. > 3) If I connect one disk to one direct sata and one disk directly to > host controller, it works. What do you mean by 'direct sata'? How is it different from 'directly to host controller'? > 3) If I connect one or more disk to PM, it won't work. > 4) If I connect one disk to direct sata and one to PM, it won't work. Maybe the PMP is fried? Thanks. -- tejun -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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