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Posted to user@hadoop.apache.org by Visioner Sadak <vi...@gmail.com> on 2012/09/26 08:58:47 UTC
namenode migration
Hello friends can anyone tell abt migrating namenode from one ip to another
wht kind of backups will i have to take for migrating to a totally new
server...
Re: namenode migration
Posted by Visioner Sadak <vi...@gmail.com>.
Thanks friends .....Thanks a lot
On Wed, Sep 26, 2012 at 11:52 PM, Robert Molina <rm...@hortonworks.com>wrote:
>
> Here's another link that may help:
> http://wiki.apache.org/hadoop/NameNodeFailover
>
>
> On Wed, Sep 26, 2012 at 11:14 AM, Serge Blazhiyevskyy <
> Serge.Blazhiyevskyy@nice.com> wrote:
>
>> This is common procedure for cases when you need to promote secondary
>> name node to become the primary one.
>>
>> Here is the exact steps:
>>
>> http://askhadoop.blogspot.com/2011/12/mapreduce-filesystem-recovery.html
>>
>>
>> Basically, you need to have the latest filesystem checkpoint and that’s
>> it.
>>
>> Straight forward!
>>
>> Serge
>>
>>
>>
>>
>> From: Visioner Sadak <visioner.sadak@gmail.com<mailto:
>> visioner.sadak@gmail.com>>
>> Reply-To: "user@hadoop.apache.org<ma...@hadoop.apache.org>" <
>> user@hadoop.apache.org<ma...@hadoop.apache.org>>
>> Date: Tuesday, September 25, 2012 11:58 PM
>> To: "user@hadoop.apache.org<ma...@hadoop.apache.org>" <
>> user@hadoop.apache.org<ma...@hadoop.apache.org>>
>> Subject: namenode migration
>>
>> Hello friends can anyone tell abt migrating namenode from one ip to
>> another wht kind of backups will i have to take for migrating to a totally
>> new server...
>>
>
>
Re: namenode migration
Posted by Visioner Sadak <vi...@gmail.com>.
Thanks friends .....Thanks a lot
On Wed, Sep 26, 2012 at 11:52 PM, Robert Molina <rm...@hortonworks.com>wrote:
>
> Here's another link that may help:
> http://wiki.apache.org/hadoop/NameNodeFailover
>
>
> On Wed, Sep 26, 2012 at 11:14 AM, Serge Blazhiyevskyy <
> Serge.Blazhiyevskyy@nice.com> wrote:
>
>> This is common procedure for cases when you need to promote secondary
>> name node to become the primary one.
>>
>> Here is the exact steps:
>>
>> http://askhadoop.blogspot.com/2011/12/mapreduce-filesystem-recovery.html
>>
>>
>> Basically, you need to have the latest filesystem checkpoint and that’s
>> it.
>>
>> Straight forward!
>>
>> Serge
>>
>>
>>
>>
>> From: Visioner Sadak <visioner.sadak@gmail.com<mailto:
>> visioner.sadak@gmail.com>>
>> Reply-To: "user@hadoop.apache.org<ma...@hadoop.apache.org>" <
>> user@hadoop.apache.org<ma...@hadoop.apache.org>>
>> Date: Tuesday, September 25, 2012 11:58 PM
>> To: "user@hadoop.apache.org<ma...@hadoop.apache.org>" <
>> user@hadoop.apache.org<ma...@hadoop.apache.org>>
>> Subject: namenode migration
>>
>> Hello friends can anyone tell abt migrating namenode from one ip to
>> another wht kind of backups will i have to take for migrating to a totally
>> new server...
>>
>
>
Re: namenode migration
Posted by Visioner Sadak <vi...@gmail.com>.
Thanks friends .....Thanks a lot
On Wed, Sep 26, 2012 at 11:52 PM, Robert Molina <rm...@hortonworks.com>wrote:
>
> Here's another link that may help:
> http://wiki.apache.org/hadoop/NameNodeFailover
>
>
> On Wed, Sep 26, 2012 at 11:14 AM, Serge Blazhiyevskyy <
> Serge.Blazhiyevskyy@nice.com> wrote:
>
>> This is common procedure for cases when you need to promote secondary
>> name node to become the primary one.
>>
>> Here is the exact steps:
>>
>> http://askhadoop.blogspot.com/2011/12/mapreduce-filesystem-recovery.html
>>
>>
>> Basically, you need to have the latest filesystem checkpoint and that’s
>> it.
>>
>> Straight forward!
>>
>> Serge
>>
>>
>>
>>
>> From: Visioner Sadak <visioner.sadak@gmail.com<mailto:
>> visioner.sadak@gmail.com>>
>> Reply-To: "user@hadoop.apache.org<ma...@hadoop.apache.org>" <
>> user@hadoop.apache.org<ma...@hadoop.apache.org>>
>> Date: Tuesday, September 25, 2012 11:58 PM
>> To: "user@hadoop.apache.org<ma...@hadoop.apache.org>" <
>> user@hadoop.apache.org<ma...@hadoop.apache.org>>
>> Subject: namenode migration
>>
>> Hello friends can anyone tell abt migrating namenode from one ip to
>> another wht kind of backups will i have to take for migrating to a totally
>> new server...
>>
>
>
Re: namenode migration
Posted by Visioner Sadak <vi...@gmail.com>.
Thanks friends .....Thanks a lot
On Wed, Sep 26, 2012 at 11:52 PM, Robert Molina <rm...@hortonworks.com>wrote:
>
> Here's another link that may help:
> http://wiki.apache.org/hadoop/NameNodeFailover
>
>
> On Wed, Sep 26, 2012 at 11:14 AM, Serge Blazhiyevskyy <
> Serge.Blazhiyevskyy@nice.com> wrote:
>
>> This is common procedure for cases when you need to promote secondary
>> name node to become the primary one.
>>
>> Here is the exact steps:
>>
>> http://askhadoop.blogspot.com/2011/12/mapreduce-filesystem-recovery.html
>>
>>
>> Basically, you need to have the latest filesystem checkpoint and that’s
>> it.
>>
>> Straight forward!
>>
>> Serge
>>
>>
>>
>>
>> From: Visioner Sadak <visioner.sadak@gmail.com<mailto:
>> visioner.sadak@gmail.com>>
>> Reply-To: "user@hadoop.apache.org<ma...@hadoop.apache.org>" <
>> user@hadoop.apache.org<ma...@hadoop.apache.org>>
>> Date: Tuesday, September 25, 2012 11:58 PM
>> To: "user@hadoop.apache.org<ma...@hadoop.apache.org>" <
>> user@hadoop.apache.org<ma...@hadoop.apache.org>>
>> Subject: namenode migration
>>
>> Hello friends can anyone tell abt migrating namenode from one ip to
>> another wht kind of backups will i have to take for migrating to a totally
>> new server...
>>
>
>
Re: namenode migration
Posted by Robert Molina <rm...@hortonworks.com>.
Here's another link that may help:
http://wiki.apache.org/hadoop/NameNodeFailover
On Wed, Sep 26, 2012 at 11:14 AM, Serge Blazhiyevskyy <
Serge.Blazhiyevskyy@nice.com> wrote:
> This is common procedure for cases when you need to promote secondary name
> node to become the primary one.
>
> Here is the exact steps:
>
> http://askhadoop.blogspot.com/2011/12/mapreduce-filesystem-recovery.html
>
>
> Basically, you need to have the latest filesystem checkpoint and that’s it.
>
> Straight forward!
>
> Serge
>
>
>
>
> From: Visioner Sadak <visioner.sadak@gmail.com<mailto:
> visioner.sadak@gmail.com>>
> Reply-To: "user@hadoop.apache.org<ma...@hadoop.apache.org>" <
> user@hadoop.apache.org<ma...@hadoop.apache.org>>
> Date: Tuesday, September 25, 2012 11:58 PM
> To: "user@hadoop.apache.org<ma...@hadoop.apache.org>" <
> user@hadoop.apache.org<ma...@hadoop.apache.org>>
> Subject: namenode migration
>
> Hello friends can anyone tell abt migrating namenode from one ip to
> another wht kind of backups will i have to take for migrating to a totally
> new server...
>
Re: namenode migration
Posted by Robert Molina <rm...@hortonworks.com>.
Here's another link that may help:
http://wiki.apache.org/hadoop/NameNodeFailover
On Wed, Sep 26, 2012 at 11:14 AM, Serge Blazhiyevskyy <
Serge.Blazhiyevskyy@nice.com> wrote:
> This is common procedure for cases when you need to promote secondary name
> node to become the primary one.
>
> Here is the exact steps:
>
> http://askhadoop.blogspot.com/2011/12/mapreduce-filesystem-recovery.html
>
>
> Basically, you need to have the latest filesystem checkpoint and that’s it.
>
> Straight forward!
>
> Serge
>
>
>
>
> From: Visioner Sadak <visioner.sadak@gmail.com<mailto:
> visioner.sadak@gmail.com>>
> Reply-To: "user@hadoop.apache.org<ma...@hadoop.apache.org>" <
> user@hadoop.apache.org<ma...@hadoop.apache.org>>
> Date: Tuesday, September 25, 2012 11:58 PM
> To: "user@hadoop.apache.org<ma...@hadoop.apache.org>" <
> user@hadoop.apache.org<ma...@hadoop.apache.org>>
> Subject: namenode migration
>
> Hello friends can anyone tell abt migrating namenode from one ip to
> another wht kind of backups will i have to take for migrating to a totally
> new server...
>
Re: namenode migration
Posted by Robert Molina <rm...@hortonworks.com>.
Here's another link that may help:
http://wiki.apache.org/hadoop/NameNodeFailover
On Wed, Sep 26, 2012 at 11:14 AM, Serge Blazhiyevskyy <
Serge.Blazhiyevskyy@nice.com> wrote:
> This is common procedure for cases when you need to promote secondary name
> node to become the primary one.
>
> Here is the exact steps:
>
> http://askhadoop.blogspot.com/2011/12/mapreduce-filesystem-recovery.html
>
>
> Basically, you need to have the latest filesystem checkpoint and that’s it.
>
> Straight forward!
>
> Serge
>
>
>
>
> From: Visioner Sadak <visioner.sadak@gmail.com<mailto:
> visioner.sadak@gmail.com>>
> Reply-To: "user@hadoop.apache.org<ma...@hadoop.apache.org>" <
> user@hadoop.apache.org<ma...@hadoop.apache.org>>
> Date: Tuesday, September 25, 2012 11:58 PM
> To: "user@hadoop.apache.org<ma...@hadoop.apache.org>" <
> user@hadoop.apache.org<ma...@hadoop.apache.org>>
> Subject: namenode migration
>
> Hello friends can anyone tell abt migrating namenode from one ip to
> another wht kind of backups will i have to take for migrating to a totally
> new server...
>
Re: namenode migration
Posted by Robert Molina <rm...@hortonworks.com>.
Here's another link that may help:
http://wiki.apache.org/hadoop/NameNodeFailover
On Wed, Sep 26, 2012 at 11:14 AM, Serge Blazhiyevskyy <
Serge.Blazhiyevskyy@nice.com> wrote:
> This is common procedure for cases when you need to promote secondary name
> node to become the primary one.
>
> Here is the exact steps:
>
> http://askhadoop.blogspot.com/2011/12/mapreduce-filesystem-recovery.html
>
>
> Basically, you need to have the latest filesystem checkpoint and that’s it.
>
> Straight forward!
>
> Serge
>
>
>
>
> From: Visioner Sadak <visioner.sadak@gmail.com<mailto:
> visioner.sadak@gmail.com>>
> Reply-To: "user@hadoop.apache.org<ma...@hadoop.apache.org>" <
> user@hadoop.apache.org<ma...@hadoop.apache.org>>
> Date: Tuesday, September 25, 2012 11:58 PM
> To: "user@hadoop.apache.org<ma...@hadoop.apache.org>" <
> user@hadoop.apache.org<ma...@hadoop.apache.org>>
> Subject: namenode migration
>
> Hello friends can anyone tell abt migrating namenode from one ip to
> another wht kind of backups will i have to take for migrating to a totally
> new server...
>
Re: namenode migration
Posted by Serge Blazhiyevskyy <Se...@nice.com>.
This is common procedure for cases when you need to promote secondary name node to become the primary one.
Here is the exact steps:
http://askhadoop.blogspot.com/2011/12/mapreduce-filesystem-recovery.html
Basically, you need to have the latest filesystem checkpoint and that’s it.
Straight forward!
Serge
From: Visioner Sadak <vi...@gmail.com>>
Reply-To: "user@hadoop.apache.org<ma...@hadoop.apache.org>" <us...@hadoop.apache.org>>
Date: Tuesday, September 25, 2012 11:58 PM
To: "user@hadoop.apache.org<ma...@hadoop.apache.org>" <us...@hadoop.apache.org>>
Subject: namenode migration
Hello friends can anyone tell abt migrating namenode from one ip to another wht kind of backups will i have to take for migrating to a totally new server...
Re: namenode migration
Posted by Serge Blazhiyevskyy <Se...@nice.com>.
This is common procedure for cases when you need to promote secondary name node to become the primary one.
Here is the exact steps:
http://askhadoop.blogspot.com/2011/12/mapreduce-filesystem-recovery.html
Basically, you need to have the latest filesystem checkpoint and that’s it.
Straight forward!
Serge
From: Visioner Sadak <vi...@gmail.com>>
Reply-To: "user@hadoop.apache.org<ma...@hadoop.apache.org>" <us...@hadoop.apache.org>>
Date: Tuesday, September 25, 2012 11:58 PM
To: "user@hadoop.apache.org<ma...@hadoop.apache.org>" <us...@hadoop.apache.org>>
Subject: namenode migration
Hello friends can anyone tell abt migrating namenode from one ip to another wht kind of backups will i have to take for migrating to a totally new server...
Re: namenode migration
Posted by Serge Blazhiyevskyy <Se...@nice.com>.
This is common procedure for cases when you need to promote secondary name node to become the primary one.
Here is the exact steps:
http://askhadoop.blogspot.com/2011/12/mapreduce-filesystem-recovery.html
Basically, you need to have the latest filesystem checkpoint and that’s it.
Straight forward!
Serge
From: Visioner Sadak <vi...@gmail.com>>
Reply-To: "user@hadoop.apache.org<ma...@hadoop.apache.org>" <us...@hadoop.apache.org>>
Date: Tuesday, September 25, 2012 11:58 PM
To: "user@hadoop.apache.org<ma...@hadoop.apache.org>" <us...@hadoop.apache.org>>
Subject: namenode migration
Hello friends can anyone tell abt migrating namenode from one ip to another wht kind of backups will i have to take for migrating to a totally new server...
Re: namenode migration
Posted by Serge Blazhiyevskyy <Se...@nice.com>.
This is common procedure for cases when you need to promote secondary name node to become the primary one.
Here is the exact steps:
http://askhadoop.blogspot.com/2011/12/mapreduce-filesystem-recovery.html
Basically, you need to have the latest filesystem checkpoint and that’s it.
Straight forward!
Serge
From: Visioner Sadak <vi...@gmail.com>>
Reply-To: "user@hadoop.apache.org<ma...@hadoop.apache.org>" <us...@hadoop.apache.org>>
Date: Tuesday, September 25, 2012 11:58 PM
To: "user@hadoop.apache.org<ma...@hadoop.apache.org>" <us...@hadoop.apache.org>>
Subject: namenode migration
Hello friends can anyone tell abt migrating namenode from one ip to another wht kind of backups will i have to take for migrating to a totally new server...