Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.
Hi Stefan, I mean the offline growing, because from the information available on the specified URL I understands that the online rezise is possible only when the DRBD device is on top of a LVM volume. Thank you, -- cosmih On Wed, Dec 2, 2009 at 10:46 AM, Stefan Priebe - allied internet ag <s.priebe at allied-internet.ag> wrote: > Hi! > > Do you mean the offline growing or online growing? About the online > growing i don't know anything :-) I haven't tested it at all. > > Stefan > > cosmih schrieb: >> Hi Stefan, >> >> Are you so kind to detail a little bit more the growing process >> (because on the URL provided is vague) ? The steps are something likes >> below ? >> 1) put the DRBD resources into secondary mode (on each server) >> 2) stop the DRBD service on each server >> 3) resize the disk partition used for the DRBD devices on each server >> (the disk partition used as meta-disk is not modified) >> 4) start the DRBD service on each server (at this step the two DRBD >> devices will be into secondary mode) >> 5) put one DRBD device into primary mode >> 6) resize the filesystem on top the primary DRBD device >> >> >> Thank you, >> >> -- >> cosmih >> >> On Tue, Dec 1, 2009 at 2:56 PM, Stefan Priebe - allied internet ag >> <s.priebe at allied-internet.ag> wrote: >>> Hi! >>> >>> I've done an offline migration cause - we don't use LVM and without LVM >>> online migration is not possible. >>> >>> So i can only tell you that the offline one >>> (http://www.drbd.org/users-guide/s-resizing.html) is working fine :-) >>> >>> Stefan >>> >>> cosmih schrieb: >>>> Hi Stefan, >>>> >>>> Do you succeed on your XFS, on top of DRBD, growth attempt ? >>>> I am curious on this because I also need to do a growth of my DRBD device. >>>> Here is my setup: >>>> 1) Heartbeat standby/active over DRBD secondary/primary setup >>>> 2) DRBD 8.0.16 >>>> 3) HW RAID 10 --> sda6, 350GB disk partition; sda7, 1GB disk partition >>>> --> drbd0, DRBD device on sda6; meta-disk on sda7 --> LVM PV --> one >>>> LVM VG --> two LVM LV --> ext3 (meaning that the DRBD device use as >>>> its storage a disk partition and there is LVM on top of DRBD and there >>>> is ext3 on top of LVM) >>>> What I need ? >>>> Basically, I need more space on DRBD device, meaning from 350GB to >>>> 450GB and I have this free space on HW RAID 10 volume. >>>> Because the DRBD setup is used by some applications who need a very >>>> high uptime I am interested by a solution for this growth who use the >>>> secondary/primary feature of DRBD and the standby/active feature of >>>> heartbeat or, at least, need a very low downtime. >>>> >>>> I would appreciate any advices. >>>> >>>> Thank you, >>>> -- >>>> cosmih >>>> >>>>> Hi! >>>>> >>>>> Yes of cause HW Raid. >>>>> >>>>> I'll do a test today - i've already prepared testequipment yesterday. >>>>> >>>>> Stefan >>>>> >>>>>> Stefan Seifert schrieb: >>>>>> On Tuesday 24 November 2009 11:03:11 you wrote: >>>>>>>> No you haven't. Like newer versions of fdisk you can use partprobe to >>>>>>>> tell the kernel to re-read partition tables. >>>>>>>> >>>>>>>> Regards, >>>>>>>> Stefan >>>>>>> Thanks Stefan for your answer. I know partprobe - but does it work on a >>>>>>> mounted partition? >>>>>> For all I know it should work with a mounted partition as well. If the >>>>>> partition were not mounted or otherwise used, you wouldn't need partprobe. >>>>>> >>>>>> And I assume "mounted" in this context means "used as drbd storage device". >>>>>> I also assume that by RAID you mean some hardware RAID, because partitioning >>>>>> an MD RAID wouldn't make much sense. >>>>>> >>>>>> Like with all these things it's a very good idea to first test it on a test >>>>>> system. Ideally identical machines, but if not available at least some VM (we >>>>>> use qemu for that and though its pretty slow, its enough for such tests). Life >>>>>> gets so much more relaxed, if you don't have to experiment around with your >>>>>> production machines :) >>>>>> >>>>>> Regards, >>>>>> Stefan >>>> _______________________________________________ >>>> drbd-user mailing list >>>> drbd-user at lists.linbit.com >>>> http://lists.linbit.com/mailman/listinfo/drbd-user >