Actually, I was planning to slowly grow the individual brick to a bigger size without doing data transfer or volume shutdown.
Alex Leung
On 10/10/16, 11:15 AM, "gluster-users-bounces@xxxxxxxxxxx on behalf of Joe Julian" <gluster-users-bounces@xxxxxxxxxxx on behalf of joe@xxxxxxxxxxxxxxxx> wrote:
On 10/10/2016 11:07 AM, Serkan Çoban wrote:
>> Is it like
>> Gluster volume add-brick pdsclust raid1-gb:/data/gfs raid2-gb:/data/gfs raid3-gb:/data/gfs raid5-gb:/data/gfs raid6-gb:/data/gfs raid7-gb:/data/gfs
> Yes the command is like that.
>
>> Besides, Can I have different size of the brick? Such as raid1,2,3 is 20 TB and raid5,6,7 is 40TB?
> You don't want to do that, 20TB from 40TB is wasted. Bricks should be same size.
Similarly to my response to "Rebalancing after adding larger bricks", by
utilizing the cluster.min-free-disk setting (defaults to 10%) you can,
at least, ensure that your larger bricks are utilized as needed to
prevent over filling your smaller bricks should you choose to have
mismatched sizes.
>
> On Mon, Oct 10, 2016 at 8:42 PM, Leung, Alex (398C)
> <alex.leung@xxxxxxxxxxxx> wrote:
>> Thanks, but what is the exact command to add-brick?
>>
>> volume add-brick <VOLNAME> [<stripe|replica> <COUNT>] <NEW-BRICK> ...
>>
>> Is it like
>>
>> Gluster volume add-brick pdsclust raid1-gb:/data/gfs raid2-gb:/data/gfs raid3-gb:/data/gfs raid5-gb:/data/gfs raid6-gb:/data/gfs raid7-gb:/data/gfs
>> What is the value of > [<stripe|replica> <COUNT>]?
>>
>> Besides, Can I have different size of the brick? Such as raid1,2,3 is 20 TB and raid5,6,7 is 40TB?
>>
>>
>> Alex Leung
>>
>> On 10/10/16, 7:17 AM, "Vijay Bellur" <vbellur@xxxxxxxxxx> wrote:
>>
>> On Thu, Oct 6, 2016 at 11:34 AM, Leung, Alex (398C)
>> <alex.leung@xxxxxxxxxxxx> wrote:
>> > Here is my configuration:
>> >
>> >
>> >
>> > [root@raid4 ~]# gluster volume info
>> >
>> > Volume Name: pdsclust
>> >
>> > Type: Disperse
>> >
>> > Volume ID: 02629f52-cfe1-4542-8581-21d25e254d39
>> >
>> > Status: Started
>> >
>> > Number of Bricks: 1 x (4 + 2) = 6
>> >
>> > Transport-type: tcp
>> >
>> > Bricks:
>> >
>> > Brick1: raid4-gb:/data/gfs
>> >
>> > Brick2: raid8-gb:/data/gfs
>> >
>> > Brick3: raid10-gb:/data/gfs
>> >
>> > Brick4: raid12-gb:/data/gfs
>> >
>> > Brick5: raid14-gb:/data/gfs
>> >
>> > Brick6: raid16-gb:/data/gfs
>> >
>> > Options Reconfigured:
>> >
>> > performance.readdir-ahead: on
>> >
>> > [root@raid4 ~]#
>> >
>> >
>> >
>> >
>> >
>> > How do add-bricks to this disperse volume?
>> >
>> > How do I create a sub volume of (4+2) = 6 to make it
>> >
>> >
>> >
>> > Number of Bricks: 2 x (4 + 2) = 12
>>
>>
>> You would need to add 6 more bricks to the volume to get to this state.
>>
>> Regards,
>> Vijay
>>
>>
>>
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