Hello Nick, well, if you use the TDP for VE, or "backup vm", then the pre-freeze/post-thaw is what you want. These scripts are invoked by the vmware-tools, which must be installed in the vm. http://support.unitrends.com/ikm/questions.php?questionid=1241
-- Mit freundlichen Grüßen / kind regards Michael Prix On 02/28/2014 07:08 PM, Nick Laflamme wrote: > What B/A client? :-) > > If I take my backups at the ESX level, I'm trying to do just an image > backup, driven by ESX, not using some client in the virtual machine. > > So, I need Linux to catch the signal from ESX of an impending snapshot, and > I need a way for Linux to trigger those pre- and post- command scripts. > That is my goal. > > On Friday, February 28, 2014, Michael Prix <m...@rs6000.darktech.org> wrote: > >> Nick, >> >> if you don't have a TDP for the app, you can still use the >> PRESCHEDCOMMAND and POSTSCHEDCOMMAND options of the B/A-client. >> >> if you have a VM, the VMware-API gives you a similar hook: >> **/usr/sbin/pre-freeze-script >> /usr/sbin/post-thaw-script >> >> -- >> Mit freundlichen Grüßen / Kind regards >> >> Michael Prix >> >> On 02/28/2014 03:14 PM, Nick Laflamme wrote: >>> I apologize for introducing a tangent, but I need some help defining a >>> problem. >>> >>> Those of us who have studied (or used!) TSM for VE know that the TDP for >>> SQL Server can receive a signal from Windows Server that something is >> about >>> to take a backup. The same signal should trigger any pending writes >> before >>> something takes a snapshot and then backs up a restorable disk image. >>> >>> Are there similar signals (which might not be the right word) in Linux or >>> various UNIX systems? Assuming a lack of support from an application >>> vendor, I'd want at least to fire off a script upon receiving that signal >>> to use existing commands to "freeze" the app, >>> >>> Are there better idioms I should use with my Linux/UNIX gurus, or is this >>> simply not an option yet? >>> >>> Thanks, >>> Nick