[Gluster-users] gfid generation

[Pranith Kumar Karampuri]

On Tue, Nov 15, 2016 at 11:33 PM, Ankireddypalle Reddy <areddy at commvault.com
> wrote:

> Pranith,
>
>                  Thanks for getting back on this. I am trying to see how
> gfid can be generated programmatically. Given a file name how do we
> generate gfid for it. I was reading some of the email threads about it
> where it was mentioned that gfid is generated based upon parent directory
> gfid and the file name. Given a same parent gfid and file name do we always
> end up with the same gfid.
>

No, gfid is a UUID, so there is correlation.
https://en.wikipedia.org/wiki/Universally_unique_identifier can help you I
guess. Where did you see the above information that Parent gfid and name
are involved?

PS: These kinds of mails people in gluster-devel are more suited to answer
IMO.


>
> Thanks and Regards,
>
> ram
>
>
>
> *From:* Pranith Kumar Karampuri [mailto:pkarampu at redhat.com]
> *Sent:* Tuesday, November 15, 2016 12:58 PM
> *To:* Ankireddypalle Reddy
> *Cc:* gluster-users at gluster.org
> *Subject:* Re: [Gluster-users] gfid generation
>
>
>
> Sorry, didn't understand the question. Are you saying give a file on
> gluster how to get gfid of the file?
>
> #getfattr -d -m. -e hex /path/to/file shows it
>
>
>
> On Fri, Nov 11, 2016 at 9:47 PM, Ankireddypalle Reddy <
> areddy at commvault.com> wrote:
>
> Hi,
>
>         Is the mapping from file name to gfid an idempotent operation.  If
> so please point me to the function that does this.
>
>
>
> Thanks and Regards,
>
> Ram
>
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> --
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> Pranith
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-- 
Pranith
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