----- Original Message ----- From: "Neil Brown" <neilb@xxxxxxx> To: "JaniD++" <djani22@xxxxxxxxxxxxx> Cc: <linux-raid@xxxxxxxxxxxxxxx> Sent: Friday, February 03, 2006 1:12 AM Subject: Re: Raid 4 resize, raid0 limit question > On Friday February 3, djani22@xxxxxxxxxxxxx wrote: > > Hello, list, > > > > I plan to resize (grow) one raid4 array. > > > > 1. stop the array. > > 2. resize the partition on all disks to fit the maximum size. > > The approach is currently not supported. It would need a change to > mdadm to find the old superblock and relocate it to the new end of the > partition. > > The only currently 'supported' way it to remove devices one at a time, > resize them, and add them back in as new devices, waiting for the > resync. Good news! :-) This takes about 1 weeks for me... :-( I should recreate.... > > NeilBrown > > > > > > After this restart(assemble) the array is possiple? > > I mean, how can the kernel find the superblock fits on the half of the new > > partitions? > > I need to recreate the array instead of using -G option? > > Can i force raid to resync only the new area? > > > > The raid0 in 2.6.16-rc1 supports 4x 3.6TB soure devices? :-) > > ... maybe? > I think it does, but I cannot promise anything. Anyway, i will test it on the weekend, and i dont need to grow the FS too on it. How can i safe test it (and NBD >2TB) to work well, without data lost? Thanks, Janos > > NeilBrown > > > > > > Thanks, > > Janos > > > > - > > 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 - 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
