Date: Sun, 7 Jun 2009 13:38:15 +0200 (CEST) From: Wojciech Puchar <wojtek@wojtek.tensor.gdynia.pl> To: "John ." <comp.john@googlemail.com> Cc: freebsd-questions@freebsd.org Subject: Re: please recommend a disk-exercising program? Message-ID: <alpine.BSF.2.00.0906071337390.98647@wojtek.tensor.gdynia.pl> In-Reply-To: <abc784790906070243t419d8ebbp59a68af23e902004@mail.gmail.com> References: <abc784790906070243t419d8ebbp59a68af23e902004@mail.gmail.com>
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> Hello list, > > Can anyone please recommend to me a program that will stress-test a > disk? If it matters, two are connected by firewire, another via usb. > Filesystem is ufs. I think I have a disk that might be about to fail, > but it only sometimes errors when under stress. I need to see if it if it's about to fail then simply read it dd if=/dev/disk of=/dev/null bs=1m if it will not - disk is most probably OK.
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