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From: | Curt Blank |
Subject: | Re: dd hangs when attempting to access a tape drive |
Date: | Sat, 22 Oct 2005 12:22:32 -0500 |
User-agent: | Mozilla Thunderbird 1.0.7 (Windows/20050923) |
I see what you mean, the perl script does this: read(3, "bbbbbb 2005-10-21T21:35:06-0500 "..., 4096) = 512 Then this: write(1, "bbbbbb 2005-10-21T21:35:06-0500 ", 32) = 32 Jim Meyering wrote:
Curt Blank <address@hidden> wrote:Ok, it appears to definitely be a blocking factor issue....So I'm starting to think it might not be dd problem in and of itself. My... Thanks for the follow-up. I agree that this is almost certainly not a problem with dd itself. If you want to see why some other program (like tar or your perl script works), run it via strace and compare the actual read/write buffer sizes.
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