The 9750-4i may support JBOD mode. If you would like to test, install the 
MegaCLI tools. (Warning, this will clear the RAID configuration on your device)

This is the command for switching the RAID controller to JBOD mode: 

#megacli -AdpSetProp -EnableJBOD -1 -aAll

Thanks,

Jacob

-----Original Message-----
From: ceph-users [mailto:[email protected]] On Behalf Of Markus 
Goldberg
Sent: Thursday, April 23, 2015 5:41 AM
To: [email protected]
Subject: [ceph-users] SAS-Exp 9300-8i or Raid-Contr 9750-4i ?

Hi,
i will upgrade my existing Hardware (in 3 SC847-cases with 30 HDDs each) the 
next days.
Should i buy a SAS-Expander 9300-8i or keep my existing Raid-Contr 9750-4i.

The 9300 will give me real Jbod , the 9750 only single-disk Raids.

Does this make a real difference ? Should i spend or keep money?

--
MfG,
   Markus Goldberg

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Markus Goldberg       Universität Hildesheim
                       Rechenzentrum
Tel +49 5121 88392822 Universitätsplatz 1, D-31141 Hildesheim, Germany Fax +49 
5121 88392823 email [email protected]
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