On Fri, Jul 24, 2009 at 6:48 AM, Steve Loughran wrote:
> Ryan Smith wrote:
>
>> > but you dont want to be the one trying to write something just after
>> your
>> production cluster lost its namenode data.
>>
>> Steve,
>>
>> I wasnt planning on trying to solve something like this in production.
Ryan Smith wrote:
> but you dont want to be the one trying to write something just after your
production cluster lost its namenode data.
Steve,
I wasnt planning on trying to solve something like this in production. I
would assume everyone here is a professional and wouldn't even think of
some
> but you dont want to be the one trying to write something just after your
production cluster lost its namenode data.
Steve,
I wasnt planning on trying to solve something like this in production. I
would assume everyone here is a professional and wouldn't even think of
something like this, but
Ryan Smith wrote:
Todd, excellent info, thank you. I use Ganglia, I will set up nagios
though, good idea. Just one clarification on Question 1. What if I
actually lose all my master data dirs, and have no back up on the secondary
name node, are the data blocks on all the slaves lost in that si
On Thu, Jul 23, 2009 at 1:07 PM, Ryan Smith wrote:
> Todd, excellent info, thank you. I use Ganglia, I will set up nagios
> though, good idea. Just one clarification on Question 1. What if I
> actually lose all my master data dirs, and have no back up on the secondary
> name node, are the data
Todd, excellent info, thank you. I use Ganglia, I will set up nagios
though, good idea. Just one clarification on Question 1. What if I
actually lose all my master data dirs, and have no back up on the secondary
name node, are the data blocks on all the slaves lost in that situation? I
think Go
On Thu, Jul 23, 2009 at 11:56 AM, Ryan Smith wrote:
> I was wondering if someone could give me some answers or maybe some
> pointers
> where to look in the code. All these questions are in the same vein of
> hard
> drive failure.
>
> Question 1: If a master (system disks/data) is lost for good, c
I was wondering if someone could give me some answers or maybe some pointers
where to look in the code. All these questions are in the same vein of hard
drive failure.
Question 1: If a master (system disks/data) is lost for good, can the data
on all the slave nodes be recovered? meaning are data