[Info-vax] Raid 5 Add Disk to Raid 5 with p400 and MSA$UTIL

Wed Apr 5 07:55:17 EDT 2023

On Tuesday, April 4, 2023 at 5:21:35 PM UTC-4, Russell Allred wrote:
> I have 3 300Gb SAS drives running raid 5. It's almost out of space. I have added a new matching drive I can see with the MSA$UTIL show options. The new drive is disk 4. Can I add it to the existing RAID 5 without hurting the data and get more free blocks? I do not know how this works. 2. The firmware on the new drive is HPD2. On the older ones it HPD5. Will that matter? 3. My cache battery is dead can I safely work on these drives? Here is what I see in MSA: 
> 

The answer to question 2 - I've never seen disk firmware in a p4x0 controller make any difference operationally