Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.
Hi, ----- Original Message ----- > From: "Florian Haas" <florian at hastexo.com> > To: "drbd-user" <drbd-user at lists.linbit.com> > Sent: Monday, October 17, 2011 1:04:48 PM > Subject: Re: [DRBD-user] Increasing a DRBD array > > On 2011-10-17 19:31, Gerald Brandt wrote: > > Hi, > > > > I have a RAID-6 array (mdadm) that is running out of space. I'd > > like to add a drive to the array, and grow it. I've done that > > step before, and it works. > > > > The step I haven't done, is grow a raid array that is duplicate via > > DRBD. Are there any extra issues I need to look out for? > > > > My plans are: > > > > 1. remove the primary from DRBD > > 2. add the physical disk to the primary > > 3. add the primary back to DRBD and allow resync. > > 4. remove the secondary from DRBD > > 5. add the physical disk to the secondary > > 6. add the secondary back to DRBD and allow resync. > > 7. fdisk and add the disk to the RAID array on primary and > > secondary > > 8. grow the RAID array on the primary and secondary > > 9. expand the file system on the primary only > > > > Does that sound right? > > Not quite. :) > > Your DRBD uses the MD RAID as its backing device, doesn't it? (I sure > hope it does, if it's the other way around you're probably in > trouble.) > That means you'll have add the drive and resize your RAID first, then > you can resize your DRBD, and then expand the file system. > Definately built on top of the RAID array. I'm a bit confused by your answer though. Step 8 grows the RAID array, and I don't have a step to grow DRBD. Does that mean I'm missing something? Gerald > Cheers, > Florian > > -- > Need help with DRBD? > http://www.hastexo.com/knowledge/drbd > _______________________________________________ > drbd-user mailing list > drbd-user at lists.linbit.com > http://lists.linbit.com/mailman/listinfo/drbd-user >