[Gluster-devel] Implementation of new command to get start and end time of afr crawl

[Joe Julian]

Yes please! Also some indication of the status of a "heal ... full" 
would be helpful. I hate not knowing, if it's finished or not.

On 01/10/2013 10:48 PM, Venkatesh Somyajulu wrote:
> Description of problem:
> ------------------------
> In a replicate volume , When there are files to be self-healed and  an offline brick comes online,  the glustershd.log file doesn't report any log messages on start of crawl and  end of crawl.
>
> Currently Available options for checking files to be self-healed:-
> ----------------------------------------------------------------
> 1. Number of files that has to be self-healed can be obtained from the gluster cli command : "gluster volume heal <vol_name> info"
>
> 2. Number of files that got self-healed (Only 1023 entries reported)can be obtained from the gluster cli command : "gluster volume heal     <vol_name>   info healed"
>
> 3. To check pending self-heals other option is to keep monitoring ".glusterfs/indices/xattrop" directory of the source brick.
>     file. It would be helpful if number of files that got self-healed (only the count) is also reported in the glustershd.log file.
>
>
> New Implementation:
> -------------------
> A new glusterd command is proposed which will give the last 50 crawls information.
>
> Below I am describing the initial design plan and need suggestions for the same.
>
> ---------------------------------------------------------------------------------------------------
>
>
> Command Name:
> ------------------------------------
> gluster volume crawlinfo <Volname>
>
> Output [Example is for a replicate volume of replica count 2. Bricks are on two different Machines]
> --------
> Volume Name: Volname
> Volume ID:   66cf8864-af11-4b69-9a6a-267011e7f879
> Number of Bricks: 1x2 = 2
>
> Crawl info for Brick Number: 1
> Brick Info: 192.168.122.1:/volume/brick1
>
> Crawl Number: 1
> Start of crawl:  <TIME>
> End of crawl:        <TIME>
> Number of entires to be healed: <Number>  //Here Number of entries are count of entries in the xattrop file.
>
>
> Crawl Number: 2
> Start of crawl: <TIME>
> End of crawl:   <TIME>
> Number of entries to be healed: <Number>
>
>
> Crawl info for Brick Number: 2
> Brick Info: 192.168.122.2:/volume/brick2
>
> Crawl Number: 1
> Start of crawl:  <TIME>
> End of crawl:        <TIME>
> Number of entires to be healed: <Number>
>
>
> Crawl Number: 2
> Start of crawl: <TIME>
> End of crawl:   <TIME>
> Number of entries to be healed: <Number>
>
>
>          
>
> If in case crawl is still going on for a brick:
> -----------------------------------------------
> Crawl info for brick Number: 1
> Brick Info: 192.168.122.1:/volume/brick1
>
> Start of crawl:  <TIME>
> End of crawl:        Crawl is still in progress
> Number of entries to be healed: <Number>
>
>
>
>
> So for every brick last 50 crawl information will be stored. And command will display those last 50 entries for every brick.
>
>
> Regards,
> Venkatesh Somyajulu
>
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