Date: Thu, 22 Jul 2010 04:03:05 -0400 (EDT) From: Charles Sprickman <spork@bway.net> To: Dan Langille <dan@langille.org> Cc: Adam Vande More <amvandemore@gmail.com>, "Andrey V. Elsukov" <bu7cher@yandex.ru>, freebsd-stable <freebsd-stable@freebsd.org> Subject: Re: Using GTP and glabel for ZFS arrays Message-ID: <alpine.OSX.2.00.1007220357570.33454@hotlap.local> In-Reply-To: <4C47F4F1.8030804@langille.org> References: <4C47B57F.5020309@langille.org> <AANLkTimbYGpC0aYGnE61J5ZopQVD9m8hrz07CZAnsvsq@mail.gmail.com> <AANLkTikwNEXpTz-hpKLta0T3Lx67nRHtOaVLp_c7C8BI@mail.gmail.com> <4C47E610.2040409@langille.org> <4C47EC47.5090000@yandex.ru> <4C47ED09.7020808@langille.org> <alpine.OSX.2.00.1007220327170.33454@hotlap.local> <4C47F4F1.8030804@langille.org>
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On Thu, 22 Jul 2010, Dan Langille wrote: > On 7/22/2010 3:30 AM, Charles Sprickman wrote: >> On Thu, 22 Jul 2010, Dan Langille wrote: >> >>> On 7/22/2010 2:59 AM, Andrey V. Elsukov wrote: >>>> On 22.07.2010 10:32, Dan Langille wrote: >>>>> I'm not sure of the criteria, but this is what I'm running: >>>>> >>>>> atapci0:<SiI 3124 SATA300 controller> port 0xdc00-0xdc0f mem >>>>> 0xfbeffc00-0xfbeffc7f,0xfbef0000-0xfbef7fff irq 17 at device 4.0 on >>>>> pci7 >>>>> >>>>> atapci1:<SiI 3124 SATA300 controller> port 0xac00-0xac0f mem >>>>> 0xfbbffc00-0xfbbffc7f,0xfbbf0000-0xfbbf7fff irq 19 at device 4.0 on >>>>> pci3 >>>>> >>>>> I added ahci_load="YES" to loader.conf and rebooted. Now I see: >>>> >>>> You can add siis_load="YES" to loader.conf for SiI 3124. >>> >>> Ahh, thank you. >>> >>> I'm afraid to do that now, before I label my ZFS drives for fear that >>> the ZFS array will be messed up. But I do plan to do that for the >>> system after my plan is implemented. Thank you. :) >> >> You may even get hotplug support if you're lucky. :) >> >> I just built a box and gave it a spin with the "old" ata stuff and then >> with the "new" (AHCI) stuff. It does perform a bit better and my BIOS >> claims it supports hotplug with ahci enabled as well... Still have to >> test that. > > Well, I don't have anything to support hotplug. All my stuff is internal. > > http://sphotos.ak.fbcdn.net/hphotos-ak-ash1/hs430.ash1/23778_106837706002537_100000289239443_171753_3508473_n.jpg The frankenbox I'm testing on is a retrofitted 1U (it had a scsi backplane, now has none). I am not certain, but I think with 8.1 (which it's running) and all the cam integration stuff, hotplug is possible. Is a special backplane required? I seriously don't know... I'm going to give it a shot though. Oh, you also might get NCQ. Try: [root@h21 /tmp]# camcontrol tags ada0 (pass0:ahcich0:0:0:0): device openings: 32 Charles > > > -- > Dan Langille - http://langille.org/ >
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