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Date:      Wed, 06 Aug 2008 19:05:03 -0400
From:      Adam McDougall <mcdouga9@egr.msu.edu>
To:        Wes Morgan <morganw@chemikals.org>
Cc:        freebsd-fs@freebsd.org
Subject:   Re: ZFS Advice
Message-ID:  <489A2E1F.6000405@egr.msu.edu>
In-Reply-To: <alpine.BSF.1.10.0808061400590.25442@ibyngvyr.purzvxnyf.bet>
References:  <alpine.BSF.1.10.0808051842550.93088@ibyngvyr.purzvxnyf.bet>	<18585.3903.895425.122613@almost.alerce.com>	<200808061928.37001.peter.schuller@infidyne.com> <alpine.BSF.1.10.0808061400590.25442@ibyngvyr.purzvxnyf.bet>

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Wes Morgan wrote:
> On Wed, 6 Aug 2008, Peter Schuller wrote:
>
>>> The AoC-SAT2-MV8 is based on the "Marvell Hercules-2 Rev. C0 SATA host
>>> controller", which seems to be AKA 88SX6081, which is listed as
>>> supported by the ata driver in 7.0-RELEASE.  Has anyone had any ZFS
>>> experience with it?
>>
>> Yes; it has been working quite fine for me with 7 up to a 
>> release-candidate.
>> In 7.0-RELEASE you must disable the hptrr driver because it eats the 
>> device.
>> See:
>>
>>   http://www.freebsd.org/cgi/query-pr.cgi?pr=kern/120615
>>   http://www.freebsd.org/cgi/query-pr.cgi?pr=kern/120842
>>
>> When I say "working fine", this is with 8 SATA drives (6 of them in a 
>> raidz2,
>> two of them for other stuff) and not having any issues like corruption,
>> timeouts or whatever else people have had with shaky controllers.
>>
>> However, I cannot speak to performance because it's a PCI-X card that 
>> I've
>> plugged into a PCI slow, so throughput is limited by the PCI bus (and 
>> the
>> machine is otherwise not the fastest to begin with).
>>
>> Note that this is on 32 bit; haven't been able to try it on 64 bit 
>> because I
>> the PCI-X card wouldn't work on the motherboard (again PCI, so it's
>> hit-and-miss) where I would otherwise have tried it.
>>
>> I'd love to find a buyable PCI-E version that also worked in 
>> FreeBSD... I'll
>> see if the link in your post contains any such hints.
>
> Hmmm... That PCI-X card is interesting. Supermicro also lists this:
>
> http://www.supermicro.com/products/accessories/addon/AOC-USAS-L8i.cfm
>
> http://www.lsi.com/storage_home/products_home/standard_product_ics/sas_ics/lsisas1068e/index.html 
>
>
> Not much onboard ram, but it's PCI-E and even SAS. CDW lists it for 
> $155. That would be cheaper than buying a new board with a PCI-X slot 
> or two, and would even handle SAS drives. Claims to be based on the 
> "LSISAS 1068E SAS controller". Any idea if that is supported? I don't 
> see it listed in the mfi man page. LSI has a Linux driver for 
> download. That card looks like it would be just what I need.
> _______________________________________________
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>
mpt2@pci0:8:0:0:        class=0x010000 card=0x31501000 chip=0x00581000 
rev=0x04 hdr=0x00
    vendor     = 'LSI Logic (Was: Symbios Logic, NCR)'
    device     = 'SAS 3000 series, 8-port with 1068E -StorPort'
    class      = mass storage
    subclass   = SCSI
mpt2: <LSILogic SAS/SATA Adapter> port 0xa800-0xa8ff mem 
0xfcbfc000-0xfcbfffff,0xfcbe0000-0xfcbeffff irq 17 at device 0.0 on pci8

da1 at mpt2 bus 0 target 0 lun 0
da1: <SEAGATE ST914602SSUN146G 0603> Fixed Direct Access SCSI-5 device
da1: 300.000MB/s transfers
da1: Command Queueing Enabled
da1: 140009MB (286739329 512 byte sectors: 255H 63S/T 17848C)
da2 at mpt2 bus 0 target 1 lun 0
da2: <SEAGATE ST914602SSUN146G 0603> Fixed Direct Access SCSI-5 device
da2: 300.000MB/s transfers
da2: Command Queueing Enabled
da2: 140009MB (286739329 512 byte sectors: 255H 63S/T 17848C)
da3 at mpt2 bus 0 target 2 lun 0
da3: <SEAGATE ST914602SSUN146G 0603> Fixed Direct Access SCSI-5 device
da3: 300.000MB/s transfers
da3: Command Queueing Enabled
da3: 140009MB (286739329 512 byte sectors: 255H 63S/T 17848C)
da4 at mpt2 bus 0 target 3 lun 0
da4: <SEAGATE ST914602SSUN146G 0603> Fixed Direct Access SCSI-5 device
da4: 300.000MB/s transfers
da4: Command Queueing Enabled
da4: 140009MB (286739329 512 byte sectors: 255H 63S/T 17848C)
da5 at mpt2 bus 0 target 4 lun 0
da5: <SEAGATE ST914602SSUN146G 0603> Fixed Direct Access SCSI-5 device
da5: 300.000MB/s transfers
da5: Command Queueing Enabled
da5: 140009MB (286739329 512 byte sectors: 255H 63S/T 17848C)
da6 at mpt2 bus 0 target 5 lun 0
da6: <SEAGATE ST914602SSUN146G 0603> Fixed Direct Access SCSI-5 device
da6: 300.000MB/s transfers
da6: Command Queueing Enabled
da6: 140009MB (286739329 512 byte sectors: 255H 63S/T 17848C)
da7 at mpt2 bus 0 target 6 lun 0
da7: <SEAGATE ST914602SSUN146G 0603> Fixed Direct Access SCSI-5 device
da7: 300.000MB/s transfers
da7: Command Queueing Enabled
da7: 140009MB (286739329 512 byte sectors: 255H 63S/T 17848C)
da8 at mpt2 bus 0 target 7 lun 0
da8: <SEAGATE ST914602SSUN146G 0603> Fixed Direct Access SCSI-5 device
da8: 300.000MB/s transfers
da8: Command Queueing Enabled
da8: 140009MB (286739329 512 byte sectors: 255H 63S/T 17848C)

 pool: tank
 state: ONLINE
 scrub: none requested
config:

        NAME        STATE     READ WRITE CKSUM
        tank        ONLINE       0     0     0
          raidz1    ONLINE       0     0     0
            da1s1d  ONLINE       0     0     0
            da2s1d  ONLINE       0     0     0
            da3s1d  ONLINE       0     0     0
            da4s1d  ONLINE       0     0     0
            da5s1d  ONLINE       0     0     0
            da6s1d  ONLINE       0     0     0
            da7s1d  ONLINE       0     0     0
            da8s1d  ONLINE       0     0     0




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