Date: Fri, 25 Aug 2006 15:27:29 +0800 From: Andrew I Baznikin <andrey.baznikin@krasinform.ru> To: freebsd-isp@freebsd.org Cc: jeremiah.foster@clickstore.se Subject: Re: Hardware RAID 1 management tools Message-ID: <20060825152729.5987f94e@dikiy.book> In-Reply-To: <1156486891.9152.7.camel@localhost.localdomain> References: <1156229799.4893.150.camel@localhost.localdomain> <20060824163915.GJ12155@ns2.wananchi.com> <1156486891.9152.7.camel@localhost.localdomain>
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On Fri, 25 Aug 2006 08:21:30 +0200 Jeremiah Foster <jeremiah.foster@clickstore.se> wrote: > On Thu, 2006-08-24 at 19:39 +0300, Odhiambo Washington wrote: > > > and find out when the RAID disks are failing, right now I can tell > > > when that happens because the database slows to a crawl. > > > > That reasoning does not sound technical at all. Please find out why > > the MySQL server itself is slowing down by using tools like mytop (in > > the ports, log-slow-queries, etc). > > In fact I have been using a variety of system monitoring and mysql > monitoring tools. Mytop has been used extensively, all the logs have > been analyzed, the huge mysql config is being used, the database has > been refactored, top and as well as other system tools have been used. > All show dramatic, statistically significant changes when a disk fails. > When we replace the disk mysql goes back to using very little processor > from using 80% or more. So in fact it is quite technical. > > What I want is a tool that will warn me of disk failures before mysql > does, is such a thing available for FreeBSD? Smarttools can monitor SMART attributes on harddisks, do offline testing and so on. -- Andrew I Baznikin # /\ ASCII ribbon # \/ campaign # /\ against # / \ HTML email
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