Date: Tue, 23 Sep 2008 11:04:13 -0400 From: "Joachim Rosenfeld" <joerosenfeld@gmail.com> To: freebsd-questions@freebsd.org Subject: blocksize when using dd to copy disks? bigger = better? Message-ID: <6e5cf6a70809230804g1d2f0359g566c756ebfe9a038@mail.gmail.com>
next in thread | raw e-mail | index | archive | help
When mirroring a disk with dd, I notice that a blocksize of 512 runs awfully slow, but with bs=1MB (2^10bytes), it runs fairly quickly. Can someone explain the implications of this? Did all the data not copy properly with the larger blocksize? thanks Joe
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?6e5cf6a70809230804g1d2f0359g566c756ebfe9a038>