Someone seems to know how the machine was powered-up at this linky http://smsug.ca/blogs/garth_jones/archive/2007/03/27/219.aspx although this may only be relevant to server class mobos. many thanks for the replies so far, though I would prefer to know what type of power signal was used I may use a timestamp from /var/log/messages. Joe > > From: owner-edlug@xxx.xxx.xxx [mailto:owner-edlug@xxx.xxx.xxx] > On Behalf Of Joe Barnett > Sent: 07 November 2011 12:38 > To: edlug@xxx.xxx.xxx > Subject: [edlug] boot-up question > > > > > I've set up an automated backup system using a debian system with > external usb connected disks. the sequence of events is as follows > > the pc boots unattended from the BIOS timer, > a software controlled power switch turns on the external drives > the array is activated and mounted > the backup happens > the array is unmounted and deactivated > the soft power switch turns off > a halt command is issued > ...... > we wait for next BIOS timer event. > > This works OK but if I want to maintain the system and start with the > power button or wake-on-lan I don't want the backup sequence to start > automatically. > > Is there any way to find out from the BIOS for example how the initial > boot happened? > > I find nothing on Google but dmidecode reports a line in the section > "System Information" reading "Wake-up Type: Power Switch". > > I've tried waking this particular system on BIOS timer but the above > messahe does not change. > > I could check /proc/uptime to give for instance a 5 minute window in > which to abort the backup but there must be an elegant way. > > Any thoughts greatly appreciated. > > joe. > > > The University of Edinburgh is a charitable body, registered in > Scotland, with registration number SC005336. - ---------------------------------------------------------------------- You can find the EdLUG mailing list FAQ list at: http://www.edlug.org.uk/list_faq.html
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