[Gluster-users] replica position

[Pranith Kumar Karampuri]

On 02/04/2015 12:54 PM, yang.bin18 at zte.com.cn wrote:
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> <<<<<<example: brick A ,brick B,brick C compose one volume
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> <<<<<<When client(fuse) in brick A write data into volume,for some
> reason ,we want the data wrote into brick B or brick C.
> <<<<<When a write is performed from a fuse mount, the response will
> not come until the write happens on A, B, C. Order of the bricks does
> not matter.
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> Pranith
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> <<<<If the volume is configured to has only one replica or the volume
> is a DHT one?
> <<<Then the bricks are not in replication. Do you want to change the
> position of the bricks?
> Pranith
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> <<For simplification,let`s suppose it being a DHT volume with three
> bricks,there is no replica.When client(fuse) in brick A write data
> into volume,for some reason ,we want the data wrote into brick B or
> brick C.
> <If it is DHT volume, then the data of the files will be residing
> either in brick A, B, or C based on the hash of the filename and
> layout of the directory not on all of the bricks A, B, C. Only the
> directories are created on all the bricks A, B, C.
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> Pranith
> For safty thinking ,we want the data will be directed to any brick
> except brick A.
It depends on the hash the filename generates. It may very well end up
on brick-A. What is the usecase you want to address?

Pranith
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> 发件人: Pranith Kumar Karampuri _<pkarampu at redhat.com>_
> <mailto:pkarampu at redhat.com>
> 收件人: _yang.bin18 at zte.com.cn_ <mailto:yang.bin18 at zte.com.cn>,
> _gluster-users at gluster.org_ <mailto:gluster-users at gluster.org>,
> 日期: 2015/01/28 16:40
> 主题: Re: [Gluster-users] replica position
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> On 01/27/2015 02:43 PM, _yang.bin18 at zte.com.cn_
> <mailto:yang.bin18 at zte.com.cn>wrote:
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> Hi,
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> Can the replica position be configured ?
> Could you give an example?
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> Pranith
>
> Regards.
>
> Bin.Yang
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