{Spam?} Re: {Spam?} Re: SCSI RAID on FreeBSD 7.0, where is the array?

[Derek Ragona]

At 07:53 PM 7/30/2008, ghostcorps at gmail.com wrote:
>Thanks for the quick reply!
>
>I created the array in the Adaptec BIOS and confirmed it with an XP 
>installer disk, which gave me the option to install to the array as I had 
>named it.
>
>
>I have to apologise for not having the actual dmesg handy but identifies 
>the disks much like the example below, but with Seagate disks.
>
>It does not identify any striping or make any differentiation between the 
>discs other than the target id.
>.
>
>da0 at ahd0 bus 0 target 2 lun 0
>da0: <MAXTOR ATLAS10K4_36WLS DFV0> Fixed Direct Access SCSI-3 device da0: 
>320.000MB/s transfers (160.000MHz, offset 127, 16bit), Tagged Queueing Enabled
>da0: 35074MB (71833096 512 byte sectors: 255H 63S/T 4471C)
>da1 at ahd0 bus 0 target 4 lun 0
>da1: <MAXTOR ATLAS10K4_36WLS DFV0> Fixed Direct Access SCSI-3 device da1: 
>320.000MB/s transfers (160.000MHz, offset 127, 16bit), Tagged Queueing Enabled
>da1: 35074MB (71833096 512 byte sectors: 255H 63S/T 4471C)
>
>
>
>Regards
>

Are you seeing any aacd drives in the dmesg?  This would be the device name 
for an advanced adaptec raid drive.

         -Derek



>Derek Ragona wrote:
>>At 07:14 PM 7/30/2008, ghostcorps at gmail.com wrote:
>>>Hi Derek,
>>>
>>>As mentioned in my post, I have configured the Adaptec BIOS 
>>>(SCSIselect/HostRAID) to create a RAID0 array.
>>>
>>>The GENERIC Kernel natively-uses the 'ahd' adapter for this card, 
>>><http://www.freebsd.org/cgi/man.cgi?query=ahd&sektion=4&manpath=FreeBSD+7.0-RELEASE>http://www.freebsd.org/cgi/man.cgi?query=ahd&sektion=4&manpath=FreeBSD+7.0-RELEASE 
>>>
>>>
>>>dmesg does not post any errors, it recognised the card as ahd0, and 
>>>states that da0 & da1 are on that bus. I can not post the dmesg as the 
>>>NIC adapter needs to be patched once the OS is installed. I could find a 
>>>USB key and copy it over if you like, but there are no errors to consider.
>>>
>>>Regards
>>
>>What does dmesg show for da0 and da1?
>>
>>Did you actually create the array in the Adaptec RAID BIOS?  If you did, 
>>with a stripped array I'd expect dmesg to only report da0 as the stripped 
>>compendium of both disks.
>>
>>         -Derek
>>
>>
>>
>>
>>
>>>Derek Ragona wrote:
>>>>At 07:56 AM 7/30/2008, 
>>>><mailto:ghostcorps at gmail.com>ghostcorps at gmail.com wrote:
>>>>>Hi all,
>>>>>
>>>>>
>>>>>I am fighting the following hardware:
>>>>>
>>>>>MB: ASUS p5b-plus (NON vista edition)
>>>>>Cpu: Core 2 duo 4600
>>>>>SCSI Card: Adaptec 39320 (Unused Dell OEM bought from ebay)
>>>>>HDDs: 2xSeagate Cheetah 73.4 GB Ultra320 SCSI (posibly Dell OEM)
>>>>>
>>>>>Nb. The MB does not support PCI-X, but is backwards compatible to a 
>>>>>standard PCI slot. On recommendations I have limited the throughput on 
>>>>>the channels to 160mb.
>>>>>
>>>>>If you think any other pieces relevant let me know.
>>>>>
>>>>>
>>>>>I think this is probably just an issue with my not knowing wtf I'm 
>>>>>doing, but to be optimistic lets assume the ahd module worked as there 
>>>>>are no errors in dmesg; which device do I install to? I can not see 
>>>>>see ahd0 in fdisk.
>>>>>
>>>>>There are alot of posts over the years reporting trouble with the 
>>>>>Dell(Adaptec/Seagate) combiniation. The funny thing is that I am 
>>>>>having none of these troubles; There are no panics, no dumps and no 
>>>>>lengthy pauses. It all seems fine, until I try to select the disk to 
>>>>>install to and I only have da0 or da1.
>>>>>
>>>>>
>>>>>
>>>>>Thanks for your time
>>>>
>>>>Have you defined an array?
>>>>
>>>>If you create the array in the adaptec BIOS you will see one large hard 
>>>>disk in FreeBSD.  If you do not define an array in the adaptec BIOS you 
>>>>will see the individual SCSI drives as da0, da1, etc.
>>>>
>>>>The GENERIC kernel has all the typical SCSI and RAID adapters compiled 
>>>>in, so look at the dmesg output when you boot FreeBSD.
>>>>
>>>>         -Derek
>>>>
>>>>--
>>>>This message has been scanned for viruses and
>>>>dangerous content by <http://www.mailscanner.info/>MailScanner, and is
>>>>believed to be clean.
>>>
>>>
>>>--
>>>This message has been scanned for viruses and
>>>dangerous content by <http://www.mailscanner.info/>MailScanner, and is
>>>believed to be clean.
>
>
>--
>This message has been scanned for viruses and
>dangerous content by MailScanner, and is
>believed to be clean.
>

-- 
This message has been scanned for viruses and
dangerous content by MailScanner, and is
believed to be clean.