On 06/09/07, Linux Lingam <[EMAIL PROTECTED]> wrote: > > Since then we have switched to APC UPS on all applications that need > > 24 hour on time and with no external batteries. Some of these have > > been in service for long time without problem. It is better to use a > > small genset in tandem with UPS than use batteries unless you have a > > setup where regular upkeep can be done. I know this is costly but fire > > is deadly. > > right. thanks for the advice. > so your APC have some maintenance-free batteries inside for a few > minutes of backup while the generator fires up?
Cost being limiting factor in the model we have, usually the servers are running for 30~45 minutes before power down. Critical data centers can have hour and hour of backup but $$$$$$$$$$.......(or should I say RsRsRsRs....) -- Regards, Sudev Barar See you at 'Freed.in - freedom in technology & software' - India's leading free and open source community event. 28- 29 September 2007, New Delhi. Entry free, on first come basis. Register at http://Freed.in _______________________________________________ ilugd mailinglist -- [email protected] http://frodo.hserus.net/mailman/listinfo/ilugd Next Event: http://freed.in - September 28-29, 2007 Archives at: http://news.gmane.org/gmane.user-groups.linux.delhi http://www.mail-archive.com/[email protected]/
