Date: Sun, 7 Jun 2009 12:57:02 -0600 From: Geoff Fritz <gfritz@gmail.com> To: Wojciech Puchar <wojtek@wojtek.tensor.gdynia.pl> Cc: "John ." <comp.john@googlemail.com>, Geoff Fritz <gfritz@gmail.com>, freebsd-questions@freebsd.org Subject: Re: please recommend a disk-exercising program? Message-ID: <20090607185702.GA28486@dev.null> In-Reply-To: <alpine.BSF.2.00.0906071948490.99901@wojtek.tensor.gdynia.pl> References: <abc784790906070243t419d8ebbp59a68af23e902004@mail.gmail.com> <20090607165504.GA67823@dev.null> <alpine.BSF.2.00.0906071948490.99901@wojtek.tensor.gdynia.pl>
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On Sun, Jun 07, 2009 at 07:49:41PM +0200, Wojciech Puchar wrote: > > > > I've seen several mentions of "dd" in this thread, and I'll say that I've > > seen several recommendations elsewhere to use a simple: > > > > dd if=/dev/<device> of=/dev/<device> > > forgot bs=1m or at least 64kB, unless you like to wait days with default > bs=512 Such things should be understood, more or less. I didn't want to confuse the issue with extra options. But you are correct. These options will greatly speed up the process for dd. It's not like the badblocks command is particularly speedy, either. I imagine that *any* thorough drive test would take a long while given today's typical drive size. -- Geoff
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