Date: Sat, 18 May 2002 23:53:00 -0700 (PDT) From: Patrick Thomas <root@utility.clubscholarship.com> To: Tom Samplonius <tom@sdf.com> Cc: <freebsd-scsi@freebsd.org> Subject: Re: how do I know when RAID fails ? (mylex, PERC, etc) Message-ID: <20020518192557.V44320-100000@utility.clubscholarship.com> In-Reply-To: <Pine.BSF.4.05.10205172243230.6896-100000@misery.sdf.com>
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Well...hot yanking drives bothers me - when they are expensive drives, and the possibility exists of killing the drive by yanking it (a drive that is otherwise healthy) I am reluctant to do this just to test. What about PERC ? Do _all_ the raid drivers have a facility to log to syslog when bad things happen, or is it dependent on the particular driver ? --pt On Fri, 17 May 2002, Tom Samplonius wrote: > > On Fri, 17 May 2002, Patrick Thomas wrote: > > ... > > So the question is, what happens when I am happily running along, and a > > drive fails ? Certainly things keep running, since they are mirrors, but > > how do I know a drive has failed ? > > > > Does the driver report to syslog ? > ... > > The mly driver logs to syslog. I'm surprised you haven't done a > simulated drive failure (just remove a drive while the array is running). > I always do that with every server to make sure everything is working, > particular that the SAFTE enclosure reports that a drive has installed to > trigger the autorebuild. > > Tom > > To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-scsi" in the body of the message
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