On Wed, 03 Jul 2013 21:04:00 +0200 cvb@xxxxxxxxxxx wrote: > Hi, I have a short and hopefully simple question: On > > https://raid.wiki.kernel.org/index.php/Growing > > there is a section on expanding existing partitions. Does the procedure > described there also apply to RAID 10 arrays? > > I'm asking, because the section above says explicitly that it only > applies to RAID level 1/4/5/6 arrays. The section on extending > partitions is silent on that point... > > I have a RAID 10 (software) array here, consisting of 4 disks. As one > of the disks is a bit flaky, I'm thinking of replacing the (all) disks, > maybe with bigger ones - if that should work. > There are two dimensions for growing an array - it is good to be explicit. I think you are just talking about making the devices bigger without increasing the number of devices. This possible for RAID10 as long as it uses a 'near' or 'offset' layout. It is not support for 'far' layout RAID10. NeilBrown
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