Attaching MD's to R900

Jens_Heinz at Jens_Heinz at
Tue Jan 19 05:29:18 CST 2010

Can't see a point in that. It doesn't matter whether you use Perc5 or 6.

One thing to consider is, that Perc6/e with most recent FW is able to
handle multipath to MD which Perc5/e doesn't. 

Keep in mind that MD1000 has two modes -> split + joint bus. You can
only use 2x Percs connected to MD in split mode. 




From: linux-poweredge-bounces at
[mailto:linux-poweredge-bounces at] On Behalf Of Nick Lunt
Sent: 19 January 2010 12:06
To: linux-poweredge-Lists
Cc: linux-poweredge-Lists
Subject: RE: Attaching MD's to R900


Looking at Dell's website it appears that the MD1000 does not support
the dual port PERC6E.


It seems I can purchase an MD1000 with 2 x PERC5E or 1 x PERC6E.


Can anyone advise on this please ?






From: Jens_Heinz at [mailto:Jens_Heinz at] 
Sent: 19 January 2010 10:42
To: Nick Lunt
Cc: linux-poweredge at
Subject: RE: Attaching MD's to R900


Yes, it is possible. 

You can run a MD1000 either as an expansion unit for MD3000(i) (but not
more than 2x per MD3000(i)) or as JBOD. 

The JBOD then can either be used on SAS5 HBA w/o RAID function or
connected to any external Perc to enable you to run RAIDs. 






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