On 05/02/2016 01:19 PM, Sergei Hanus
wrote:
Good day, colleagues.
I'm experimenting with adding tier to gluster volume. The
problem I face - after adding tier, the volume status is stuck
"in progress" :
Task Status of Volume data
------------------------------------------------------------------------------
Task : Tier migration
ID :
9d3ebf9e-002d-42e7-b7b0-992c3ec378ab
Status : in progress
Volume without tier is working fine (it's replica 3
volume).
The command I use for adding tier:
gluster> volume tier data attach replica 3
kvm1-lnv.lab:/ssd1/brick1 kvm2-lnv.lab:/ssd1/brick1
kvm3-lnv.lab:/ssd1/brick1
volume attach-tier: success
Tiering Migration Functionality: data: success: Attach
tier is successful on data. use tier status to check the
status.
ID: 9d3ebf9e-002d-42e7-b7b0-992c3ec378ab
The version I use is glusterfs 3.7.11 built on Apr 18 2016
13:20:46
If anyone has faced similar issue before, and able to share
a solution of hint - please, asist me in resolving this issue.
As of now, Tier migration process is considered as a task. So Tier
migration daemon will be running on a tiered volume indefinitely. So
As long as your volume is a started tiered volume, Tier migration
task will be shown as in progress. If something failed, it will move
to failed state.
Definitely, this is not an issue, ie it is a expected behavior. In
fact, we are planning to move tier migration process to a service
based job rather than a task based. Please let me know if you have
any suggestion or concerns in this area or any thing related to this
feature.
Regards
Rafi KC
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