On 7/12/18 9:30 am, G C wrote:
Thank you for your response.
In our scenario we're limited to a single PV on the LVM and while
online does work it takes a long time for the pvmove to complete from
say 2TB to a 3TB PV.
We're trying the offline in hopes that it would speed things up a lot.
Sorry, I still don't understand. If you have a single PV, what are you
using pvmove for?
In my scenario, I use lvextend and then drbdadm resize.
Or do you mean you are adding additional physical devices with larger
capacity, and then using pvmove to relocate to the new device, and then
using lvextend to increase the size, and then drbdadm resize? and
instead you are planning to drbdadm down <resource> and then fiddle with
the underlying devices, and then drbdadm up ?
Is the problem that pvmove takes a long time to complete, or that it
affects performance too much during the move? Just curious...
Regards,
Adam
On Thu, Dec 6, 2018 at 4:26 PM Adam Goryachev
<[email protected]
<mailto:[email protected]>> wrote:
On 7/12/18 8:54 am, G C wrote:
Version:
drbd84-utils.x86_64 8.9.2-1.0.1.el7
cat /proc/drbd
version: 8.4.10 (api:1/proto:86-101)
srcversion: 75EFA3DCEBEF5C771A0FCFC
Following instructions located here for offline with internal
metadata
https://docs.linbit.com/docs/users-guide-8.4/#s-resizing
I always get this error, I've found several issues that are
similar but haven't found anyway to get past this issue.
Architecture
LVM > DRBD
# drbdadm down <resource>
# drbdadm dump-md clusterdb > /tmp/metadata
Found meta data is "unclean", please apply-al first
Command 'drbdmeta 0 v08 /dev/drbd/clusterdb internal
dump-md' terminated with exit code 255
Out of interest, why do you need to use offline resize? I always
have used the online resize with no issues (LVM underneath).
Simply increase the LV (on both nodes) and then issue a "drbdadm
resize <resource>" command.
Not sure if that helps, or if you have a reason for using offline
resize, maybe someone else can assist with that.
PS, using 8.4.x versions.
Regards,
Adam
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