Re: Bricks to sub-volume mapping

[Anand Malagi <amalagi@xxxxxxxxxxxxx>]

Ok. Thank you very much…

 

Thanks and Regards,

--Anand

Extn : 6974

Mobile : 91 9552527199, 91 9850160173

 

From: Aravinda [mailto:avishwan@xxxxxxxxxx]
Sent: 09 January 2018 12:47
To: Anand Malagi <amalagi@xxxxxxxxxxxxx>; gluster-users@xxxxxxxxxxx
Subject: Re: Bricks to sub-volume mapping

 

No, we don't store the information separately. But it can be easily predictable from the Volume Info.

For example, in the below Volume info, it shows "Number of Bricks" in the following format,

    Number of Subvols x (Number of Data bricks + Number of Redundancy bricks) = Total Bricks

Note: Sub volumes are predictable without storing it as separate info since we do not have a concept to mix different sub volumes types for single Volume(Except in case of Tiering).  But in future we may support sub volumes with multiple types within a Volume.(Issue with Glusterd2 https://github.com/gluster/glusterd2/issues/388)


On Tuesday 09 January 2018 12:33 PM, Anand Malagi wrote:

But do we store this information somewhere as part of gluster metadata or something…

 

Thanks and Regards,

--Anand

Extn : 6974

Mobile : 91 9552527199, 91 9850160173

 

From: Aravinda [mailto:avishwan@xxxxxxxxxx]
Sent: 09 January 2018 12:31
To: Anand Malagi <amalagi@xxxxxxxxxxxxx>; gluster-users@xxxxxxxxxxx
Subject: Re: Bricks to sub-volume mapping

 

First 6 bricks belong to First sub volume and next 6 bricks belong to second.

On Tuesday 09 January 2018 12:11 PM, Anand Malagi wrote:

Hi Team,

 

Please let me know how I can know which bricks are part of which sub-volumes in case of disperse volume, for example in below volume has two sub-volumes :

Type: Distributed-Disperse

Volume ID: 6dc8ced8-27aa-4481-bfe8-057133c31d0b

Status: Started

Snapshot Count: 0

Number of Bricks: 2 x (4 + 2) = 12

Transport-type: tcp

Bricks:

Brick1: pdchyperscale1sds:/ws/disk1/ws_brick

Brick2: pdchyperscale2sds:/ws/disk1/ws_brick

Brick3: pdchyperscale3sds:/ws/disk1/ws_brick

Brick4: pdchyperscale1sds:/ws/disk2/ws_brick

Brick5: pdchyperscale2sds:/ws/disk2/ws_brick

Brick6: pdchyperscale3sds:/ws/disk2/ws_brick

Brick7: pdchyperscale1sds:/ws/disk3/ws_brick

Brick8: pdchyperscale2sds:/ws/disk3/ws_brick

Brick9: pdchyperscale3sds:/ws/disk3/ws_brick

Brick10: pdchyperscale1sds:/ws/disk4/ws_brick

Brick11: pdchyperscale2sds:/ws/disk4/ws_brick

Brick12: pdchyperscale3sds:/ws/disk4/ws_brick

 

Please suggest how to know which bricks are part of first and second sub-volume.

 

Thanks and Regards,

--Anand

Extn : 6974

Mobile : 91 9552527199, 91 9850160173

 

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regards

Aravinda VK

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regards

Aravinda VK

http://aravindavk.in

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