On Fri, 28 Jun 2019 at 14:34, Dave Sherohman <dave@xxxxxxxxxxxxx> wrote:
On Thu, Jun 27, 2019 at 12:17:10PM +0530, Nithya Balachandran wrote:
> On Tue, 25 Jun 2019 at 15:26, Dave Sherohman <dave@xxxxxxxxxxxxx> wrote:
> > My objective is to remove nodes B and C entirely.
> >
> > First up is to pull their bricks from the volume:
> >
> > # gluster volume remove-brick myvol B:/data C:/data A:/arb1 start
> > (wait for data to be migrated)
> > # gluster volume remove-brick myvol B:/data C:/data A:/arb1 commit
> >
> >
> There are some edge cases that may prevent a file from being migrated
> during a remove-brick. Please do the following after this:
>
> 1. Check the remove-brick status for any failures. If there are any,
> check the rebalance log file for errors.
> 2. Even if there are no failures, check the removed bricks to see if any
> files have not been migrated. If there are any, please check that they are
> valid files on the brick and copy them to the volume from the brick to the
> mount point.
>
> The rest of the steps look good.
Apparently, they weren't quite right. I tried it and it just gives me
the usage notes in return. Transcript of the commands and output is below.
Any insight on how I got the syntax wrong?
--- cut here ---
root@merlin:/# gluster volume status
Status of volume: palantir
Gluster process TCP Port RDMA Port Online Pid
------------------------------------------------------------------------------
Brick saruman:/var/local/brick0/data 49153 0 Y 17995
Brick gandalf:/var/local/brick0/data 49153 0 Y 9415
Brick merlin:/var/local/arbiter1/data 49170 0 Y 35034
Brick azathoth:/var/local/brick0/data 49153 0 Y 25312
Brick yog-sothoth:/var/local/brick0/data 49152 0 Y 10671
Brick merlin:/var/local/arbiter2/data 49171 0 Y 35043
Brick cthulhu:/var/local/brick0/data 49153 0 Y 21925
Brick mordiggian:/var/local/brick0/data 49152 0 Y 12368
Brick merlin:/var/local/arbiter3/data 49172 0 Y 35050
Self-heal Daemon on localhost N/A N/A Y 1209
Self-heal Daemon on saruman.lub.lu.se N/A N/A Y 23253
Self-heal Daemon on gandalf.lub.lu.se N/A N/A Y 9542
Self-heal Daemon on mordiggian.lub.lu.se N/A N/A Y 11016
Self-heal Daemon on yog-sothoth.lub.lu.se N/A N/A Y 8126
Self-heal Daemon on cthulhu.lub.lu.se N/A N/A Y 30998
Self-heal Daemon on azathoth.lub.lu.se N/A N/A Y 34399
Task Status of Volume palantir
------------------------------------------------------------------------------
Task : Rebalance
ID : e58bc091-5809-4364-af83-2b89bc5c7106
Status : completed
root@merlin:/# gluster volume remove-brick palantir saruman:/var/local/brick0/data gandalf:/var/local/brick0/data merlin:/var/local/arbiter1/data
You had it right in the first email.
gluster volume remove-brick palantir replica 3 arbiter 1 saruman:/var/local/brick0/data gandalf:/var/local/brick0/data merlin:/var/local/arbiter1/data start
Usage:
volume remove-brick <VOLNAME> [replica <COUNT>] <BRICK> ... <start|stop|status|commit|force>
root@merlin:/# gluster volume remove-brick palantir replica 3 arbiter 1 saruman:/var/local/brick0/data gandalf:/var/local/brick0/data merlin:/var/local/arbiter1/data
Usage:
volume remove-brick <VOLNAME> [replica <COUNT>] <BRICK> ... <start|stop|status|commit|force>
root@merlin:/# gluster volume remove-brick palantir replica 3 saruman:/var/local/brick0/data gandalf:/var/local/brick0/data merlin:/var/local/arbiter1/data
Usage:
volume remove-brick <VOLNAME> [replica <COUNT>] <BRICK> ... <start|stop|status|commit|force>
--- cut here ---
--
Dave Sherohman
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