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Groups > comp.sys.mac.system > #57751

Re: Block vs file level copy

From billy@MIX.COM
Newsgroups comp.sys.mac.system
Subject Re: Block vs file level copy
Date 2014-03-08 23:48 +0000
Organization PANIX Public Access Internet and UNIX, NYC
Message-ID <lfga7u$dke$1@reader2.panix.com> (permalink)
References <lffu94$shm$1@dont-email.me> <slrnlhn889.1k6v.g.kreme@amelia.local>

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Lewis <g.kreme@gmail.com.dontsendmecopies> writes:

> Disk Utility uses what block size?

$ diskutil info disk0s2
   Device Identifier:        disk0s2
   Device Node:              /dev/disk0s2

   Volume Name:              Macintosh HD

   File System Personality:  Journaled HFS+
   Type (Bundle):            hfs

   Partition Type:           Apple_HFS

   Total Size:               749.3 GB (749296615424 Bytes) (exactly 1463469952 512-Byte-Units)
   Volume Free Space:        538.8 GB (538799898624 Bytes) (exactly 1052343552 512-Byte-Units)
   Device Block Size:        512 Bytes

I'd hope block copies are done in at least 4096 byte chunks,
but I don't know how to check that...

Billy Y..
-- 
        sub     #'9+1   ,r0             ; convert ascii byte
	add     #9.+1   ,r0             ; to an integer
	bcc     20$                     ; not a number

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Thread

Block vs file level copy me@home.spamsucks.ca (Király) - 2014-03-08 20:24 +0000
  Re: Block vs file level copy Alan Browne <alan.browne@FreelunchVideotron.ca> - 2014-03-08 16:09 -0500
    Re: Block vs file level copy JF Mezei <jfmezei.spamnot@vaxination.ca> - 2014-03-08 16:33 -0500
      Re: Block vs file level copy Lewis <g.kreme@gmail.com.dontsendmecopies> - 2014-03-08 23:01 +0000
      Re: Block vs file level copy Oregonian Haruspex <bob_davis_retired@yahoo.com> - 2014-03-10 04:32 +0000
      Re: Block vs file level copy Siri Cruz <chine.bleu@yahoo.com> - 2014-03-09 22:34 -0800
    Re: Block vs file level copy Tom Stiller <clusterfux.upmon@gmail.com> - 2014-03-09 13:08 +0000
      Re: Block vs file level copy Alan Browne <alan.browne@FreelunchVideotron.ca> - 2014-03-09 11:41 -0400
  Re: Block vs file level copy Lewis <g.kreme@gmail.com.dontsendmecopies> - 2014-03-08 23:00 +0000
    Re: Block vs file level copy billy@MIX.COM - 2014-03-08 23:48 +0000
    Re: Block vs file level copy Martin Frost me at invalid stanford daht edu <nospam@stanford.edu.invalid> - 2014-03-08 22:14 -0700
      Re: Block vs file level copy Lewis <g.kreme@gmail.com.dontsendmecopies> - 2014-03-09 07:20 +0000
    Re: Block vs file level copy Siri Cruz <chine.bleu@yahoo.com> - 2014-03-09 22:55 -0800
  Re: Block vs file level copy Siri Cruz <chine.bleu@yahoo.com> - 2014-03-09 22:11 -0800

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