On Fri, 8 Apr 2016, Giovanni Bracco wrote:
In our AFS cell we have 9 fileservers (openafs 1.6.5 to 1.6.15) distributed
over WAN and we use the native openafs backup system, which works well (max
size of a volume is 200 GB)
We have defined a volset for all the .backup volumes of all fileservers and
we have one AFS backup server that performs the backup for all the
fileservers, both the local and remote ones.
As the backup duration is very different for local fileserver (~60 MB/s) and
remote fileservers (~3 MB/s) it would be very nice to know in advance what is
the order chosen by the backup process for a given volset.
The experience shows that it is NOT the order in which the fileservers appear
in the volset definition.
Any suggestion?
In my experience, if I need to know items will be handled in a certain
order, I treat the items separately. Can you split your volumeset into
multiple volumesets based on location (local vs WAN)? That way you can
control order of volumesets knowing each is all-local or all-remote
volumes.
Bye
Giovanni
--
Giovanni Bracco
DTE-ICT-HPC
ENEA
Via E. Fermi 45
I-00044 Frascati (Roma) Italy
phone +39-06-9400-5597 mobile +39-3351992144
FAX +39-06-9400-5735
E-mail giovanni.bra...@enea.it
WWW http://www.afs.enea.it/bracco
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