mfi freebsd7

[kalin m]

megarc, right... read about it..  here:

# megarc -AllAdpInfo help
usage :
     cmd -AllAdpInfo
       : prints info of all cards


.....  ok .....

# megarc -AllAdpInfo

    **********************************************************************
          MEGARC MegaRAID Configuration 
Utility(FreeBSD)-1.04(03-02-2005)    
          By LSI Logic Corp.,USA
    **********************************************************************
      [Note: For SATA-2, 4 and 6 channel controllers, please specify
      Ch=0 Id=0..15 for specifying physical drive(Ch=channel, Id=Target)]

    Type ? as command line arg for help

    No Adapters Found   

    Error: No MegaRaid Found


?!?!?!  does that mean that there is no raid?  why then the df output? 
the machine is supposed to have 4 250gig SAS drives.


thanks...





Vince Hoffman wrote:
> kalin m wrote:
>> hi all...
>>
>> a hosting facility build a new dedicated server for me and looking at 
>> the dmesg i see:
>>
>> mfi0: <LSI MegaSAS 1078> port 0xec00-0xecff mem 
>> 0xfc480000-0xfc4bffff,0xfc440000-0xfc47ffff irq 16 at device 0.0 on pci1
>> mfi0: Megaraid SAS driver Ver 2.00
>>
>> for df i get:
>> Filesystem       Size    Used   Avail Capacity  Mounted on
>> /dev/mfid0s1a    496M    197M    259M    43%    /
>> devfs            1.0K    1.0K      0B   100%    /dev
>> /dev/mfid0s1e    496M     12K    456M     0%    /tmp
>> /dev/mfid0s1f    661G    636M    608G     0%    /usr
>> /dev/mfid0s1d    8.7G    1.4M    8.0G     0%    /var
>>
>>
>> i asked for raid1. i cant find too much information about the mfi 
>> driver. just that it works with freebsd 7.
>>
>
> you might want to look at sysutils/megarc and possibly 
> sysutils/linux-megamgr so you can more closely monitor/investigate 
> your array.
>
> Vince
>
>> i'll keep looking but - has anybody successfully deployed production 
>> servers using the LSI MegaSAS 1078 in RAID1 on a very busy web server?
>> is there any loss in performance using that hardware in RAID1?
>> any performance loss in RAID1 at all?
>>
>>
>> thanks...
>>
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