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#Softraid uninstall how to#
#Softraid uninstall install#

upgrade the RAID controller firmware (3.x is not sufficient 6.6.8 works see the end of this page)Īcquire the ssacli package for configuring the RAID controller manually:ĭownload the HP Service Pack for your server.

obviously you should rescue the data before, if you need itĮnter the setup via F8 during bootup as soon as you see the greeting message of the P420i controller.

if the disks currently contain data, you will want to copy them beforeĬonfigure the controller for HBA mode (pass-through)ĭelete any existing configured array in the Smart RAID controller setup.

you cannot use the RAID modes provided by the controller (this is quite obvious).The BIOS cannot boot from the disks attached to the RAID controller (see below Booting without the RAID controller) There are some downsides when configuring the controller for HBA mode (pass-through): It is also not possible to configure "RAID 0" for all disks separately, since these disks still contain the meta data format of the RAID controller (thus they are not usable without the controller) and there is still no access via smartctl.You cannot simply remove the controller, since it provides the hardware connector for attaching the front disk bays (besides the RAID controller there is only one on-board SATA connector).

#Softraid uninstall install#

you do not want or you are not allowed to install the proprietary management software (provided as RPM packages) from HP, but still require access to the disk internalsĭisabling the RAID controller is not trivial:.you need direct access to the disk internals via smartctl.you require TRIM/DISCARD, but the controller lacks this feature.you want software RAID instead (no dependency (lock-in) with regard to this specific RAID controller you may plug your disks into any ordinary other server).You may want to avoid using a hardware-based RAID controller for some reason:

#Softraid uninstall how to#

The description below explains how to disable the RAID modes of this controller and use the attached disks directly (e.g. HP Proliant servers usually contain a hardware-based RAID controller (e.g.

Configure the controller for HBA mode (pass-through).