mfi freebsd7

[Vince Hoffman]

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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