Date: Fri, 5 Oct 2012 09:15:53 -0400 From: Mark Saad <nonesuch@longcount.org> To: "prabhpal@digital-infotech.net" <prabhpal@digital-infotech.net> Cc: "centos@centos.org" <centos@centos.org>, "freebsd-stable@freebsd.org" <freebsd-stable@freebsd.org> Subject: Re: Alert When Hardware Changes ! Message-ID: <BB797AB7-29B7-4F54-996C-175202DF4F4C@longcount.org> In-Reply-To: <fcbf7148cf22a9c3b8d0db892c193500.squirrel@mail.digital-infotech.net> References: <fcbf7148cf22a9c3b8d0db892c193500.squirrel@mail.digital-infotech.net>
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On Oct 5, 2012, at 7:23 AM, "Shiv. Nath" <prabhpal@digital-infotech.net> wro= te: >=20 > Dear Friends of List, >=20 > Well, i understand perhaps someone will think if it is correct please to > ask this question here. But i did not find the better place than here. > Here is community of technical people and the question is technical as > well. >=20 > Question: >=20 > Is anyone aware of such program (software) that can alert me when hardware= > changes? i.e. lets say i will monitor the hardware for a computer/server > using a program (i.e. Zabbix / Nagios) may be different program. Can i > receive the alert when hard disk for the computer has been changed? >=20 > Any software anyone aware of? >=20 >=20 > _____________________________ You could use dmidecode in a nagios check to get some data like that. For ex= ample when a memory module fails , CPU speed , number of CPUs , number of me= mory modules ; but it's quite hardware vendor specific . As for hard drives y= ou would need to check if the box has a raid controller and some vendor spec= ific way to probe it . For example I use cciss_vol_status in both FreeBSD an= d Linux to monitor hp raid array health in a nagios check and it works well .= For generic non raid controllers , Sata, IDE , scsi you can try using smar= tutils to monitor disk health . Other then that; if it's just a check to sho= w if diskX is installed you could have a nagios check looking for the entry i= n /dev . Both modern FreeBSD and Linux use a devfs/udev system and add and r= emove entries in /dev when the device is attached or not . Hope that helps ---- Mark saad | mark.saad@longcount.org
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