Date: Thu, 05 Jun 2008 15:07:02 -0400 From: kalin m <kalin@el.net> To: Vince Hoffman <jhary@unsane.co.uk> Cc: freebsd-questions@freebsd.org Subject: Re: mfi freebsd7 Message-ID: <48483956.1060900@el.net> In-Reply-To: <48450B08.6040806@unsane.co.uk> References: <4844293F.7020507@el.net> <484438B1.5020202@unsane.co.uk> <484441D8.8050207@el.net> <48445F45.70604@unsane.co.uk> <48448134.9080808@el.net> <484482E1.5010207@el.net> <48450B08.6040806@unsane.co.uk>
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hi vince... thank you for the advice.
i did update my ports and install the 1.01.40 version...
i have the linux-base installed and the linprocfs and linsysfs mounted..
but still nothing substantial happening:
# megacli -adpCount
Controller Count: 0.
any other ideas?!
thanks...
Vince Hoffman wrote:
> kalin m wrote:
>
>> sorry for the double posting.... just to update:
>>
>> i installed also the linux-megamgr same result:
>> Failed to open driver node /dev/megadev0
>>
>> after linking megadev0 to mfi0 it can not see the version... it gets
>> more and more pathetic by the minute...
>>
>>
>
> odd that it wouldnt install as it did for me just now. Is your ports
> tree up to date? I'm guessing not since the latest version reference in
> ports is 1.01.40 and you found and got the 1.01.09 rpm/zip
> try updating your ports to the latest tree (portsnap is my method of
> choice but csup works fine too :) then try
> cd /usr/ports/sysutils/linux-megacli && make install clean
> Be sure to pay attention to the post-install message as it tells you
> about whats needed in the way of kernel modules and sysctl variables as
> well as what periodic config is available.
>
>
> We do have a server at work using the LSI Logic / Symbios Logic MegaRAID
> SAS 1078 which hosts 40 VPS's running quite happily in a RAID 1+0
> config, each VPS running web/mail/ftp for a number between 1 and 100
> websites, so they seem to perform well enough, this is a linux server
> though.
> If you've been sold a RAID1 array i'd imagine thats what you have
> unless you have reason to believe otherwise. It will appear as a singe
> block device (/dev/mfid0) to the operating system though as you have see.
>
>
> Vince
>
>
>
>
>>
>>
>> kalin m wrote:
>>
>>> thanks Vince... i didnt wanted to install the linux base because a
>>> lot of kids will be running some 'cool' boards or blogs that probably
>>> have cool linux holes too. but just for the hell of it and for he
>>> purpose to get to the controller i did. it took a while to find the
>>> Linux_MegaCli_1.01.09.zip. it's not on the freebsd site and not on the
>>> LSI site (anymore) either.. anyway after a lot of rpm downloads and
>>> patching and variable changing and fs mountings i get this:
>>>
>>> # /usr/local/sbin/megacli -adpCount
>>> ERROR:Could not detect controller.
>>>
>>> Controller Count: 0.
>>>
>>>
>>> pretty neat system...
>>>
>>>
>>> now what?!
>>>
>>>
>>>
>>>
>>> Vince Hoffman wrote:
>>>
>>>> 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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