mfi freebsd7
Vince Hoffman
jhary at unsane.co.uk
Mon Jun 2 21:00:25 UTC 2008
kalin m wrote:
> 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.
>
Its more likely that megarc doesnt support the newer controllers which
is a shame. you might have more luck with sysutils/linux-megacli since
that explicitly mentions LSI MegaRAID SAS, I wish they would make the
util open source though. Will mean you need the linux-base port
installed and linux.ko loaded.
A RAID1 config shoudl suit a busy webserver well.
Vicne
>
> 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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>>
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