Disk Decommission

Dear All,

Is it possible to decommission a disc from nodes?
is it possible to stop indexing/storing data on particular disc?.

Thanks
Prasanth Rajan

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If you are using multiple data paths and you replace a disk, you will lose
all data on that node.

"Data can be saved to multiple directories, and if each directory is
mounted on a different hard drive, this is a simple and effective way to
set up a software RAID 0. Elasticsearch will automatically stripe data
between the different directories, boosting performance"
http://www.elasticsearch.org/guide/en/elasticsearch/guide/current/_important_configuration_changes.html#_paths

On 27 February 2015 at 21:48, Prasanth R prasanth.sunrise@gmail.com wrote:

Dear All,

Is it possible to decommission a disc from nodes?
is it possible to stop indexing/storing data on particular disc?.

Thanks
Prasanth Rajan

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Dear Mark,

Our path.data pointing to different directories and each is different hard
disk.. One of the hard disc reached more than 90%.. Please suggest me what
to do..

Thanks
Prasanth Rajan
On Mar 1, 2015 9:42 AM, "Mark Walkom" markwalkom@gmail.com wrote:

If you are using multiple data paths and you replace a disk, you will lose
all data on that node.

"Data can be saved to multiple directories, and if each directory is
mounted on a different hard drive, this is a simple and effective way to
set up a software RAID 0. Elasticsearch will automatically stripe data
between the different directories, boosting performance"

http://www.elasticsearch.org/guide/en/elasticsearch/guide/current/_important_configuration_changes.html#_paths

On 27 February 2015 at 21:48, Prasanth R prasanth.sunrise@gmail.com
wrote:

Dear All,

Is it possible to decommission a disc from nodes?
is it possible to stop indexing/storing data on particular disc?.

Thanks
Prasanth Rajan

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Are the disks not the same size?

You will need to make sure the shards that this node has are on other
nodes, or move shards to other nodes, then replace the disk.

On 1 March 2015 at 16:32, Prasanth R prasanth.sunrise@gmail.com wrote:

Dear Mark,

Our path.data pointing to different directories and each is different hard
disk.. One of the hard disc reached more than 90%.. Please suggest me what
to do..

Thanks
Prasanth Rajan
On Mar 1, 2015 9:42 AM, "Mark Walkom" markwalkom@gmail.com wrote:

If you are using multiple data paths and you replace a disk, you will
lose all data on that node.

"Data can be saved to multiple directories, and if each directory is
mounted on a different hard drive, this is a simple and effective way to
set up a software RAID 0. Elasticsearch will automatically stripe data
between the different directories, boosting performance"

http://www.elasticsearch.org/guide/en/elasticsearch/guide/current/_important_configuration_changes.html#_paths

On 27 February 2015 at 21:48, Prasanth R prasanth.sunrise@gmail.com
wrote:

Dear All,

Is it possible to decommission a disc from nodes?
is it possible to stop indexing/storing data on particular disc?.

Thanks
Prasanth Rajan

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Dear Mark,

Each node roughly have more than One TB data.. So moving to another node
is not easy.. If elasticsearch stop indexing on disks those are reaching
certain percentage will be more useful..

Thanks
Prasanth Rajan
On Mar 1, 2015 11:53 AM, "Mark Walkom" markwalkom@gmail.com wrote:

Are the disks not the same size?

You will need to make sure the shards that this node has are on other
nodes, or move shards to other nodes, then replace the disk.

On 1 March 2015 at 16:32, Prasanth R prasanth.sunrise@gmail.com wrote:

Dear Mark,

Our path.data pointing to different directories and each is different
hard disk.. One of the hard disc reached more than 90%.. Please suggest me
what to do..

Thanks
Prasanth Rajan
On Mar 1, 2015 9:42 AM, "Mark Walkom" markwalkom@gmail.com wrote:

If you are using multiple data paths and you replace a disk, you will
lose all data on that node.

"Data can be saved to multiple directories, and if each directory is
mounted on a different hard drive, this is a simple and effective way to
set up a software RAID 0. Elasticsearch will automatically stripe data
between the different directories, boosting performance"

http://www.elasticsearch.org/guide/en/elasticsearch/guide/current/_important_configuration_changes.html#_paths

On 27 February 2015 at 21:48, Prasanth R prasanth.sunrise@gmail.com
wrote:

Dear All,

Is it possible to decommission a disc from nodes?
is it possible to stop indexing/storing data on particular disc?.

Thanks
Prasanth Rajan

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It doesn't work like that though :slight_smile:

On 1 March 2015 at 17:30, Prasanth R prasanth.sunrise@gmail.com wrote:

Dear Mark,

Each node roughly have more than One TB data.. So moving to another node
is not easy.. If elasticsearch stop indexing on disks those are reaching
certain percentage will be more useful..

Thanks
Prasanth Rajan
On Mar 1, 2015 11:53 AM, "Mark Walkom" markwalkom@gmail.com wrote:

Are the disks not the same size?

You will need to make sure the shards that this node has are on other
nodes, or move shards to other nodes, then replace the disk.

On 1 March 2015 at 16:32, Prasanth R prasanth.sunrise@gmail.com wrote:

Dear Mark,

Our path.data pointing to different directories and each is different
hard disk.. One of the hard disc reached more than 90%.. Please suggest me
what to do..

Thanks
Prasanth Rajan
On Mar 1, 2015 9:42 AM, "Mark Walkom" markwalkom@gmail.com wrote:

If you are using multiple data paths and you replace a disk, you will
lose all data on that node.

"Data can be saved to multiple directories, and if each directory is
mounted on a different hard drive, this is a simple and effective way to
set up a software RAID 0. Elasticsearch will automatically stripe data
between the different directories, boosting performance"

http://www.elasticsearch.org/guide/en/elasticsearch/guide/current/_important_configuration_changes.html#_paths

On 27 February 2015 at 21:48, Prasanth R prasanth.sunrise@gmail.com
wrote:

Dear All,

Is it possible to decommission a disc from nodes?
is it possible to stop indexing/storing data on particular disc?.

Thanks
Prasanth Rajan

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Dear Mark,
Thanks for your answers... So.. The only way I have is deleting old
docs...

Thanks
Prasanth Rajan
On Mar 1, 2015 1:04 PM, "Mark Walkom" markwalkom@gmail.com wrote:

It doesn't work like that though :slight_smile:

On 1 March 2015 at 17:30, Prasanth R prasanth.sunrise@gmail.com wrote:

Dear Mark,

Each node roughly have more than One TB data.. So moving to another node
is not easy.. If elasticsearch stop indexing on disks those are reaching
certain percentage will be more useful..

Thanks
Prasanth Rajan
On Mar 1, 2015 11:53 AM, "Mark Walkom" markwalkom@gmail.com wrote:

Are the disks not the same size?

You will need to make sure the shards that this node has are on other
nodes, or move shards to other nodes, then replace the disk.

On 1 March 2015 at 16:32, Prasanth R prasanth.sunrise@gmail.com wrote:

Dear Mark,

Our path.data pointing to different directories and each is different
hard disk.. One of the hard disc reached more than 90%.. Please suggest me
what to do..

Thanks
Prasanth Rajan
On Mar 1, 2015 9:42 AM, "Mark Walkom" markwalkom@gmail.com wrote:

If you are using multiple data paths and you replace a disk, you will
lose all data on that node.

"Data can be saved to multiple directories, and if each directory is
mounted on a different hard drive, this is a simple and effective way to
set up a software RAID 0. Elasticsearch will automatically stripe data
between the different directories, boosting performance"

http://www.elasticsearch.org/guide/en/elasticsearch/guide/current/_important_configuration_changes.html#_paths

On 27 February 2015 at 21:48, Prasanth R prasanth.sunrise@gmail.com
wrote:

Dear All,

Is it possible to decommission a disc from nodes?
is it possible to stop indexing/storing data on particular disc?.

Thanks
Prasanth Rajan

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You might want to tune the
allocator: http://www.elasticsearch.org/guide/en/elasticsearch/reference/current/index-modules-allocation.html#disk

"cluster.routing.allocation.disk.watermark.high controls the high
watermark. It defaults to 90%, meaning ES will attempt to relocate shards
to another node if the node disk usage rises above 90%."

-- Nils

On Sunday, March 1, 2015 at 7:38:41 AM UTC, Prasanth R wrote:

Dear Mark,
Thanks for your answers... So.. The only way I have is deleting old
docs...

Thanks
Prasanth Rajan
On Mar 1, 2015 1:04 PM, "Mark Walkom" <markw...@gmail.com <javascript:>>
wrote:

It doesn't work like that though :slight_smile:

On 1 March 2015 at 17:30, Prasanth R <prasanth...@gmail.com <javascript:>

wrote:

Dear Mark,

Each node roughly have more than One TB data.. So moving to another
node is not easy.. If elasticsearch stop indexing on disks those are
reaching certain percentage will be more useful..

Thanks
Prasanth Rajan
On Mar 1, 2015 11:53 AM, "Mark Walkom" <markw...@gmail.com <javascript:>>
wrote:

Are the disks not the same size?

You will need to make sure the shards that this node has are on other
nodes, or move shards to other nodes, then replace the disk.

On 1 March 2015 at 16:32, Prasanth R <prasanth...@gmail.com
<javascript:>> wrote:

Dear Mark,

Our path.data pointing to different directories and each is different
hard disk.. One of the hard disc reached more than 90%.. Please suggest me
what to do..

Thanks
Prasanth Rajan
On Mar 1, 2015 9:42 AM, "Mark Walkom" <markw...@gmail.com
<javascript:>> wrote:

If you are using multiple data paths and you replace a disk, you will
lose all data on that node.

"Data can be saved to multiple directories, and if each directory is
mounted on a different hard drive, this is a simple and effective way to
set up a software RAID 0. Elasticsearch will automatically stripe data
between the different directories, boosting performance"

http://www.elasticsearch.org/guide/en/elasticsearch/guide/current/_important_configuration_changes.html#_paths

On 27 February 2015 at 21:48, Prasanth R <prasanth...@gmail.com
<javascript:>> wrote:

Dear All,

Is it possible to decommission a disc from nodes?
is it possible to stop indexing/storing data on particular disc?.

Thanks
Prasanth Rajan

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