dellmgr equiv for PERC 5/i (SAS based MegaRAID driver)

Tue Aug 15 16:53:53 CDT 2006

Yes, the PERC 5's were manufactured by LSI, but they are not standard LSI cards. 

As for the differences between the LSI cards and the PERCs (that I am aware of):
PERC 5/E's do not currently support clustering or mixing of protocols in a logical disk, while some of the LSI cards do.

Other than that the cards should have almost identical feature sets.

However, only the PERC 5/E has been certified to support the Dell MD1000 enclosure. So your milage may vary if you switch. It is also important to note that the MD1000 does not support clustering either. Therefore if you want clustering with SAS you will have to use a completely unsupported stack.

Patrick Boyd
Dell Storage Software Engineer
(512)728-3182

(Note: edited 29-May-2007 to refer to correct product MD1000)

-----Original Message-----
From: linux-poweredge-bounces at dell.com [mailto:linux-poweredge-bounces at dell.com] On Behalf Of Jason Goodwin
Sent: Tuesday, August 15, 2006 12:58 PM
To: Jensas, Harald; linux-poweredge-Lists
Subject: RE: dellmgr equiv for PERC 5/i (SAS based MegaRAID driver)

This seems to work well for some things.

I noticed that the MegaCLI has many options in it that appear not to be supported by the PERC5/E cards. Does anyone have more details about what is/isn't supported by the PERC5/E cards? It looks like I may have to order LSI 8480E cards to replace the PERC5/E as it appears that clustering is disabled on the PERC5/E.

With MegaCLI you can run 'MegaCli -AdpGetProp ClusterEnable -a1' which returns:
"Adapter 1: Cluster : Disabled"
Running 'MegaCli -AdpSetProp ClusterEnable 1 -a1' does NOT work as expected, and I cannot find any BIOS or OMSA settings to enable it.

Really frustrating since these cards look like they are identical to the LSI 8480E. I guess not all firmware is created equal.

--
Jason

-----Original Message-----
From: linux-poweredge-bounces at dell.com [mailto:linux-poweredge-bounces at dell.com] On Behalf Of Harald_Jensas at dell.com
Sent: Thursday, August 03, 2006 1:39 AM
To: adler at pobox.com; linux-poweredge at lists.us.dell.com
Cc: Matt_Domsch at dell.com
Subject: RE: dellmgr equiv for PERC 5/i (SAS based MegaRAID driver)

LSILogic has a command line application, MegaCLI available in Linux, Windows and DOS that I have succesfully used with PERC 5/e controllers.

The readme file for MegaCLI - Linux:
http://www.lsilogic.com/files/support/rsa/MR_SAS_1.0_1.00.07-Linux-MegaCLI.txt

---
Harald Jensås

> -----Original Message-----
> From: linux-poweredge-bounces at dell.com 
> [mailto:linux-poweredge-bounces at dell.com] On Behalf Of Michael Adler
> Sent: 02 August 2006 20:28
> To: linux-poweredge-Lists
> Cc: Domsch, Matt
> Subject: dellmgr equiv for PERC 5/i (SAS based MegaRAID driver)
> 
> We've been using the utility 'dellmgr' with the PERC 4 series to 
> interact with the RAID controller while the OS is running.
> Not pretty, but it worked OK. 
> 
> Is there an equivalent utility for a PERC 5/i that uses the 
> megaraid_sas module?
> 
> We have a new PE 2900 running Debian .
> 
> Linux somehost 2.6.16-2-686-smp #1 SMP Sun Jul 16 01:23:04 UTC 2006
> i686 GNU/Linux
> 
> megasas: 00.00.02.04 Fri Feb 03 14:31:44 PST 2006
> megasas: 0x1028:0x0015:0x1028:0x1f03: bus 2:slot 14:func 0 scsi0 : LSI 
> Logic SAS based MegaRAID driver
>   Vendor: MAXTOR    Model: ATLAS10K5_073SAS  Rev: BP00
>   Type:   Direct-Access                      ANSI SCSI revision: 05
>   Vendor: MAXTOR    Model: ATLAS10K5_073SAS  Rev: BP00
>   Type:   Direct-Access                      ANSI SCSI revision: 05
>   Vendor: MAXTOR    Model: ATLAS10K5_073SAS  Rev: BP00
>   Type:   Direct-Access                      ANSI SCSI revision: 05
>   Vendor: DP        Model: BACKPLANE         Rev: 1.00
>   Type:   Enclosure                          ANSI SCSI revision: 05
>   Vendor: DELL      Model: PERC 5/i          Rev: 1.00
>   Type:   Direct-Access                      ANSI SCSI revision: 05
> 
> 
> Thanks for your help,
> 
>  -Mike
> 
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