[Gluster-devel] Query on healing process

[Ravishankar N]

On 02/25/2016 06:01 PM, ABHISHEK PALIWAL wrote:
> Hi,
>
> Here, I have one query regarding the time taken by the healing process.
> In current two node setup when we rebooted one node then the 
> self-healing process starts less than 5min interval on the board which 
> resulting the corruption of the some files data.

Heal should start immediately after the brick process comes up. What 
version of gluster are you using? What do you mean by corruption of 
data? Also, how did you observe that the heal started after 5 minutes?
-Ravi
>
> And to resolve it I have search on google and found the following link:
> https://support.rackspace.com/how-to/glusterfs-troubleshooting/
>
> Mentioning that the healing process can takes upto 10min of time to 
> start this process.
>
> Here is the statement from the link:
>
> "Healing replicated volumes
>
> When any brick in a replicated volume goes offline, the glusterd 
> daemons on the remaining nodes keep track of all the files that are 
> not replicated to the offline brick. When the offline brick becomes 
> available again, the cluster initiates a healing process, replicating 
> the updated files to that brick. *The start of this process can take 
> up to 10 minutes, based on observation.*"
>
> After giving the time of more than 5 min file corruption problem has 
> been resolved.
>
> So, Here my question is there any way through which we can reduce the 
> time taken by the healing process to start?
>
>
> Regards,
> Abhishek Paliwal
>
>
>
>
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