> On Dec 6, 2015, at 1:35 PM, Phil Turmel <philip@xxxxxxxxxx> wrote: > > On 12/05/2015 10:04 PM, David Waite wrote: >> I’m having difficulty shrinking down a RAID6 array (md2) on a Sinology NAS. I wish to go from 13 drives to 11, and believe I need to go to 12 first to maintain operation and redundancy through the resizing process. > > No, you can go straight to 11 if you've set array-size properly. --grow > operations maintain redundancy throughout. I thought —grow maintains redundancy for power loss but not disk failure. Would I do this by simply marking the other drive I want to remove as failed? I’ll try —array-size again. How is the array-size suggestion by mdadm calculated - the drives are not of uniform size. -DW-- To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
