When using the debug option -D (with level 2 at least), Networker (nsrd)
will output timestamps at the beginning and at the end of each ssid that has
been cloned.
Though, I have no idea of the overhead that might be induced by setting this
option.
> -----Message d'origine-----
> De: Faidherbe, Thierry [SMTP:thierry.faidherbe AT HP DOT COM]
> Date: dimanche 12 octobre 2003 15:37
> À: NETWORKER AT LISTMAIL.TEMPLE DOT EDU
> Objet: [Networker] Determining clone completion date ....
>
> Dears,
>
> I already searched a lot of to find a way to determine
> the clone completion time of a SSID clone copy, but up to now,
> I haven't yet found a valid way :
>
> Per default, a clone-copy of a ssid has the same sscreate (start time)
> and sscomp (completion time) of his parent (original ssid).
> The master copy has his clonetime that equals the sscreate.
> The idea is not bad at all as we speak about same backup and just
> copying
> the instance data. It's very good engineered to have same SSID, sscreate
> and
> sscomp for both master and all of his cop[y/ies].
>
> With the mminfo reporting fields (the -r flag), you can ask for
> clonetime
> reporting field. This gives you the start time of the clone copy, but
> not
> the finish time of the cloning operation.
>
> This lack prevents you to compute cloning performance, to fine-tune your
> datazone, ...
>
> I also explored the way to refer to the ssaccess field but field value
> changes
> each time the SSID is accessed (recover or cloning). So, field info
> is not relevant. Looking at last volume access (volaccess) is also
> the same, volaccess changes when the volume is accessed for read or
> write operation, so, again unusable.
>
> Does one of you have some magic to gather ssid-based clone completion
> time ?
>
> Browsing daemon.log file just reports "Done cloning x of x savesets".
>
> Any hidden/undocumented mminfo field to query?
> Lack in MediaDB structure ?
>
> Thanks for any idea or comment.
>
> Warm regards,
>
> Thierry
>
> Kind regards - Bien cordialement - Vriendelijke groeten,
>
> Thierry FAIDHERBE
>
> HPCI - Storage & Server Integration Practice
> Tru64 Unix and Legato EBS Consultant
>
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