Hello Everyone, I'm about to perform an upgrade on my servers and I was wondering how to do that.
Here is the scenario: Server A has 16x 1Tb hard drives, under RAID-6. Server B has 16x 1Tb hard drives, under RAID-6. And both are in sync, using DRBD. I though about replacing the hard drives for 2Tb units, one by one. So, on each run, I would: * Remove a 1Tb disk * Add a 2Tb disk * Wait for it to rebuild the RAID After replacing ALL disks, I would expand the RAID unit, on each server. However, I was wondering how DRBD would "like" this procedure. I know that, before "expanding" the RAID, the cluster size, and the block numbers would remain the same, as I would be "wasting" the extra space on the newly added drives. So, after "both" servers have all the drives replaces, and the RAID is properly rebuild. Would that be a problem to expand it? How would DRBD handle it? I will appreciate any comment or suggestion here. Thanks, --Marcelo
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