Date: Sun, 21 Feb 2010 01:13:04 +0300 From: Boris Samorodov <bsam@ipt.ru> To: Dan Nelson <dnelson@allantgroup.com> Cc: freebsd-questions@freebsd.org Subject: Re: strange disk activity Message-ID: <97757247@ipt.ru> In-Reply-To: <20100220214845.GI70798@dan.emsphone.com> (Dan Nelson's message of "Sat, 20 Feb 2010 15:48:45 -0600") References: <97752307@ipt.ru> <20100220202614.GG70798@dan.emsphone.com> <88797383@ipt.ru> <20100220214845.GI70798@dan.emsphone.com>
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On Sat, 20 Feb 2010 15:48:45 -0600 Dan Nelson wrote: > In the last episode (Feb 20), Boris Samorodov said: > > Are there other possibilities meanwhile? > ktrace -d -i -p 0 ; sleep 10 ; ktrace -C > , then run kdump -m64 and search for large numbers of writes in the output. > "-d -i -p0" selects all current and future children of pid 0, which will > trace all processes. "-m64" limits the I/O dump size to 64 bytes. Impressive! Thanks, Dan, I've got a real new tool. ;-) -- WBR, Boris Samorodov (bsam) Research Engineer, http://www.ipt.ru Telephone & Internet SP FreeBSD Committer, http://www.FreeBSD.org The Power To Serve
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