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P420i SSA Online Raid Migration

AuZZZie
Frequent Advisor

P420i SSA Online Raid Migration

4 Disk Raid 5 Array on a P420i/1GB Controller.

 

Now based on how it's always worked, and HP's own documentation how you would do an online migration to RAID 10 is add some spindles. Go into SSA, add the spindles to the ARRAY so the ARRAY has free space to do the migration. You DON'T touch the Logical Drive.

 

You can confirm this process here. http://h20565.www2.hp.com/hpsc/doc/public/display?ac.admitted=1415232583597.876444892.492883150&docId=emr_na-c04250626

 

Now what actually happens with SSA vs ACU? I'll tell you. You add the disks to the ARRAY and HP takes it upon themself to assume you want to expand the LOGICAL DRIVE and does so automatically. Now you're completed F'd. It expands the RAID 5 volume using the new disks and now you have a massive Array you didn't want with no free spindles for the RAID migration and no way to get them back, as you can't shrink Logical Drives.

 

I'm absolutely fuming. HP once again makes me look like an idiot to my client.

 

I believe I've exhausted all options, but if anyone has some insight it would be much appreciated. Words can't describe my level of frustration.

2 REPLIES
mahadev_tech
Senior Member

Re: P420i SSA Online Raid Migration

Below is how I was able to migrate the Volume from Raid 1 to Raid 5.

 

image 1.png

 

Select Array – Manage Data Drives

image 2.png

 

Selecting one drive will bring up the below message.

image 3.png

 

Selecting the yes will migrate the logical drive to Raid 5

image 4.png

 

I understand you have a Raid 5 with 4HDD, 

May I know what Raid you want to migrate this to ? 

How many HDD you are planning to add ?

I am an HP employee.
Vsandeep
Occasional Visitor

Re: P440ar SSA Online Raid Migration

HiTeam,

 

I have configured raid 1 now i want to configure raid 5 with unother two hdd.

 

Please guide me how to do.

 

Regards

 

Sandeep V