Since xCAT does not know whether the dhcpd (includes the leases file) has
been configured, so in each starting of xcatd, the dhcpd is reconfigure
with 'makedhcp -n and makedhcp -a".

You can try to work around it to set the setupdhcp attribute of service
node to '0'.

Thanks
Best Regards
----------------------------------------------------------------------
 Wang Xiaopeng (王晓朋)
 IBM China System Technology Laboratory
 Tel: 86-10-82453455
 Email: [email protected]
 Address: 28,ZhongGuanCun Software Park,No.8 Dong Bei Wang West Road,
Haidian District Beijing P.R.China 100193



From:   Russell Jones <[email protected]>
To:     xCAT Users Mailing list <[email protected]>,
Date:   2014/03/06 06:35
Subject:        [xcat-user] Service nodes and regenerating their leases on
            startup



Hi all,

What is the purpose behind having the service nodes regenerate their
dhcp.leases file on startup of the xcatd service? Is there an option for
disabling this feature? Our leases are already generated for the nodes,
so each time the xcatd process is restarted it causes a 1+ hour outage
for that service node due to the ~2500 compute nodes we have on each
service node, and how slow the process of lease generation is.

Thanks!

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