Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.
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