05-21-2008
Thank you everyone.
I have reached out to sun again, and will use the try & buy process as well. I've never had much success with the loaner pool.
We're going to test two 2540's, not (one + 1 expansion shelf), but two seperate 2540's each with it's own controller and HBA to the host. The 2540's will each have 1 x 512 MB Cache FC HW RAID Controller, and 12x73gb 15k sas drives... everything's going to be running RAID 10
The 6140 will have 2 controllers, for a total cache of 2GB, 12x73gb 15k fc-al
one HBA to the host... i'm sure we'll try it with two HBA's too..
The host will be a X4150, with 8 cores, 8gb ram, and 8x72GB 15Krpm sas drives too.
We'll play around with a bunch of configs and see what happens.
I think we'll be maxing out all the pic-e slots ..
I will do my best to post some results here. It may be a while. The try&buy process can take a while at times.
-bv
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MFI(4) BSD Kernel Interfaces Manual MFI(4)
NAME
mfi -- LSI Logic & Dell MegaRAID SAS RAID controller
SYNOPSIS
mfi* at pci? dev ? function ?
DESCRIPTION
The mfi driver provides support for the MegaRAID SAS family of RAID controllers, including:
- Dell PERC 5/e, PERC 5/i, PERC 6/e, PERC 6/i
- Intel RAID Controller SRCSAS18E, SRCSAS144E
- LSI Logic MegaRAID SAS 8208ELP, MegaRAID SAS 8208XLP, MegaRAID SAS 8300XLP, MegaRAID SAS 8308ELP, MegaRAID SAS 8344ELP, MegaRAID
SAS 8408E, MegaRAID SAS 8480E, MegaRAID SAS 8708ELP, MegaRAID SAS 8888ELP, MegaRAID SAS 8880EM2, MegaRAID SAS 9260-8i
- IBM ServeRAID M1015, ServeRAID M5014
These controllers support RAID 0, RAID 1, RAID 5, RAID 6, RAID 10, RAID 50 and RAID 60 using either SAS or SATA II drives.
Although the controllers are actual RAID controllers, the driver makes them look just like SCSI controllers. All RAID configuration is done
through the controllers' BIOSes.
mfi supports monitoring of the logical disks in the controller through the bioctl(8) and envstat(8) commands.
EVENTS
The mfi driver is able to send events to powerd(8) if a logical drive in the controller is not online. The state-changed event will be sent
to the /etc/powerd/scripts/sensor_drive script when such condition happens.
SEE ALSO
intro(4), pci(4), scsi(4), sd(4), bioctl(8), envstat(8), powerd(8)
HISTORY
The mfi driver first appeared in NetBSD 4.0.
BSD
March 22, 2012 BSD