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Groups > comp.sys.mac.system > #80571

Re: A 13.3" MacBook Pro (MBP) gets stuck during its boot ups and tests... disk's I/O error in verbose bootup!

From Jolly Roger <jollyroger@pobox.com>
Newsgroups comp.sys.mac.system, comp.sys.mac.hardware.misc, comp.sys.mac.portables
Subject Re: A 13.3" MacBook Pro (MBP) gets stuck during its boot ups and tests... disk's I/O error in verbose bootup!
Followup-To comp.sys.mac.system
Date 2015-09-25 05:23 +0000
Organization People for the Ethical Treatment of Pirates
Message-ID <d6k421Fc5eoU12@mid.individual.net> (permalink)
References (2 earlier) <isqdna-88tZk7Z7LnZ2dnUU7-TOdnZ2d@earthlink.com> <d6ihmfF1tc3U3@mid.individual.net> <2LadnXzoYex-gZnLnZ2dnUU7-Y_46u6z@earthlink.com> <d6iksdF1tc3U15@mid.individual.net> <5604d3f0$0$4059$c3e8da3$12bcf670@news.astraweb.com>

Cross-posted to 3 groups.

Followups directed to: comp.sys.mac.system

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On 2015-09-25, JF Mezei <jfmezei.spamnot@vaxination.ca> wrote:
> On 15-09-24 11:58, Jolly Roger wrote:
>
>> Repair will cause Disk Utility to attempt to *modify* the disk before
>> you have had a chance to read the output to determine what is wrong.
>
> If Disk Utility is unable to read a disk block, it won't attempt to fix
> it since it can't write to it.

Irrelevant to my point above.

> The "repair" only applies to the file system (some lost files not in any
> directories, some catalog bits not set properly etc).  I suspect that
> Disk Utility will not detect a few corrupt blocks inside a file.

Again, irrelevant. Your assumption that this volume must have bad blocks
is premature and based on ignorance. We do not know what is wrong with
the volume, which is why it is best not to attempt modification which
may result in data loss.

> Yes, you can run "Verify" first. However, it will take twice as long.

Wrong. Verify operations actually take less time than Repair operations
because repairs naturally take time to make. Without the repairs, there
is less to do, which means the operation finishes faster.

> The problem is that if you run Verify and then Repair, you double the
> number of disk operations that get done and if the disk is on its last
> legs, you may not want to do this.

If you want to determine what is wrong with the volume you have to
verify it, silly. Otherwise you might as well just throw the drive away,
which is just plain silly.

> In fact, if you have a spare disk, I would do a disk backup on the
> device (dismount the disk and do the disk image on the drive, using Disk
> Utility).

He already has a backup. Please pay better attention.

-- 
E-mail sent to this address may be devoured by my ravenous SPAM filter.
I often ignore posts from Google. Use a real news client instead.

JR

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Thread

A 13.3" MacBook Pro (MBP) gets stuck during its boot ups and tests... ANTant@zimage.com (Ant) - 2015-09-23 18:16 -0500
  Re: A 13.3" MacBook Pro (MBP) gets stuck during its boot ups and tests... ANTant@zimage.com (Ant) - 2015-09-23 18:18 -0500
    Re: A 13.3" MacBook Pro (MBP) gets stuck during its boot ups and tests... disk's I/O error in verbose bootup! ANTant@zimage.com (Ant) - 2015-09-23 22:41 -0500
      Re: A 13.3" MacBook Pro (MBP) gets stuck during its boot ups and tests... disk's I/O error in verbose bootup! JF Mezei <jfmezei.spamnot@vaxination.ca> - 2015-09-24 00:38 -0400
        Re: A 13.3" MacBook Pro (MBP) gets stuck during its boot ups and tests... disk's I/O error in verbose bootup! JF Mezei <jfmezei.spamnot@vaxination.ca> - 2015-09-24 00:42 -0400
          Re: A 13.3" MacBook Pro (MBP) gets stuck during its boot ups and tests... disk's I/O error in verbose bootup! Jolly Roger <jollyroger@pobox.com> - 2015-09-24 15:09 +0000
            Re: A 13.3" MacBook Pro (MBP) gets stuck during its boot ups and tests... disk's I/O error in verbose bootup! Jolly Roger <jollyroger@pobox.com> - 2015-09-24 15:39 +0000
              Re: A 13.3" MacBook Pro (MBP) gets stuck during its boot ups and tests... disk's I/O error in verbose bootup! ANTant@zimage.com (Ant) - 2015-09-24 11:24 -0500
              Re: A 13.3" MacBook Pro (MBP) gets stuck during its boot ups and tests... disk's I/O error in verbose bootup! Ant <ant@zimage.comANT> - 2015-09-26 04:57 -0700
                Re: A 13.3" MacBook Pro (MBP) gets stuck during its boot ups and tests... disk's I/O error in verbose bootup! Jolly Roger <jollyroger@pobox.com> - 2015-09-26 16:30 +0000
                Re: A 13.3" MacBook Pro (MBP) gets stuck during its boot ups and tests... disk's I/O error in verbose bootup! ANTant@zimage.com (Ant) - 2015-09-27 19:48 -0500
                Re: A 13.3" MacBook Pro (MBP) gets stuck during its boot ups and tests... disk's I/O error in verbose bootup! Jolly Roger <jollyroger@pobox.com> - 2015-09-28 03:44 +0000
                Re: A 13.3" MacBook Pro (MBP) gets stuck during its boot ups and tests... disk's I/O error in verbose bootup! ANTant@zimage.com (Ant) - 2015-09-27 23:13 -0500
              Re: MacBook Pro (MBP) gets stuck during its boot ups and tests, disk's I/O error in verbose bootup, & unable to repair! ANTant@zimage.com (Ant) - 2015-09-27 19:27 -0500
                Re: MacBook Pro (MBP) gets stuck during its boot ups and tests, disk's I/O error in verbose bootup, & unable to repair! Jolly Roger <jollyroger@pobox.com> - 2015-09-28 03:43 +0000
                Re: MacBook Pro (MBP) gets stuck during its boot ups and tests, disk's I/O error in verbose bootup, & unable to repair! ANTant@zimage.com (Ant) - 2015-09-27 22:48 -0500
        Re: A 13.3" MacBook Pro (MBP) gets stuck during its boot ups and tests... disk's I/O error in verbose bootup! ANTant@zimage.com (Ant) - 2015-09-24 00:53 -0500
          Re: A 13.3" MacBook Pro (MBP) gets stuck during its boot ups and tests... disk's I/O error in verbose bootup! ANTant@zimage.com (Ant) - 2015-09-24 01:31 -0500
          Re: A 13.3" MacBook Pro (MBP) gets stuck during its boot ups and tests... disk's I/O error in verbose bootup! Lewis <g.kreme@gmail.com.dontsendmecopies> - 2015-09-24 12:35 +0000
            Re: A 13.3" MacBook Pro (MBP) gets stuck during its boot ups and tests... disk's I/O error in verbose bootup! ANTant@zimage.com (Ant) - 2015-09-24 10:53 -0500
              Re: A 13.3" MacBook Pro (MBP) gets stuck during its boot ups and tests... disk's I/O error in verbose bootup! Jolly Roger <jollyroger@pobox.com> - 2015-09-24 15:55 +0000
                Re: A 13.3" MacBook Pro (MBP) gets stuck during its boot ups and tests... disk's I/O error in verbose bootup! ANTant@zimage.com (Ant) - 2015-09-24 11:24 -0500
          Re: A 13.3" MacBook Pro (MBP) gets stuck during its boot ups and tests... disk's I/O error in verbose bootup! Jolly Roger <jollyroger@pobox.com> - 2015-09-24 15:15 +0000
            Re: A 13.3" MacBook Pro (MBP) gets stuck during its boot ups and tests... disk's I/O error in verbose bootup! ANTant@zimage.com (Ant) - 2015-09-24 10:54 -0500
            Re: A 13.3" MacBook Pro (MBP) gets stuck during its boot ups and tests... disk's I/O error in verbose bootup! Fred Moore <fmoore@gcfn.org> - 2015-09-25 11:14 -0400
              Re: A 13.3" MacBook Pro (MBP) gets stuck during its boot ups and tests... disk's I/O error in verbose bootup! Jolly Roger <jollyroger@pobox.com> - 2015-09-25 15:34 +0000
                Re: A 13.3" MacBook Pro (MBP) gets stuck during its boot ups and tests... disk's I/O error in verbose bootup! ANTant@zimage.com (Ant) - 2015-09-25 16:39 -0500
              Re: A 13.3" MacBook Pro (MBP) gets stuck during its boot ups and tests... disk's I/O error in verbose bootup! ANTant@zimage.com (Ant) - 2015-09-25 16:32 -0500
                Re: A 13.3" MacBook Pro (MBP) gets stuck during its boot ups and tests... disk's I/O error in verbose bootup! Michael Vilain <vilain@NOspamcop.net> - 2015-09-25 17:52 -0700
                Re: A 13.3" MacBook Pro (MBP) gets stuck during its boot ups and tests... disk's I/O error in verbose bootup! ANTant@zimage.com (Ant) - 2015-09-25 20:14 -0500
                Re: A 13.3" MacBook Pro (MBP) gets stuck during its boot ups and tests... disk's I/O error in verbose bootup! Michael Vilain <vilain@NOspamcop.net> - 2015-09-25 23:45 -0700
                Re: SMART utilities... ANTant@zimage.com (Ant) - 2015-09-26 05:58 -0500
      Re: A 13.3" MacBook Pro (MBP) gets stuck during its boot ups and tests... disk's I/O error in verbose bootup! Jolly Roger <jollyroger@pobox.com> - 2015-09-24 15:03 +0000
        Re: A 13.3" MacBook Pro (MBP) gets stuck during its boot ups and tests... disk's I/O error in verbose bootup! ANTant@zimage.com (Ant) - 2015-09-24 10:55 -0500
          Re: A 13.3" MacBook Pro (MBP) gets stuck during its boot ups and tests... disk's I/O error in verbose bootup! Jolly Roger <jollyroger@pobox.com> - 2015-09-24 15:58 +0000
            Re: A 13.3" MacBook Pro (MBP) gets stuck during its boot ups and tests... disk's I/O error in verbose bootup! ANTant@zimage.com (Ant) - 2015-09-24 11:27 -0500
              Re: A 13.3" MacBook Pro (MBP) gets stuck during its boot ups and tests... disk's I/O error in verbose bootup! Jolly Roger <jollyroger@pobox.com> - 2015-09-24 16:56 +0000
                Re: A 13.3" MacBook Pro (MBP) gets stuck during its boot ups and tests... disk's I/O error in verbose bootup! ANTant@zimage.com (Ant) - 2015-09-24 13:34 -0500
              Re: A 13.3" MacBook Pro (MBP) gets stuck during its boot ups and tests... disk's I/O error in verbose bootup! Jolly Roger <jollyroger@pobox.com> - 2015-09-24 16:58 +0000
                Re: A 13.3" MacBook Pro (MBP) gets stuck during its boot ups and tests... disk's I/O error in verbose bootup! ANTant@zimage.com (Ant) - 2015-09-24 13:35 -0500
            Re: A 13.3" MacBook Pro (MBP) gets stuck during its boot ups and tests... disk's I/O error in verbose bootup! JF Mezei <jfmezei.spamnot@vaxination.ca> - 2015-09-25 00:56 -0400
              Re: A 13.3" MacBook Pro (MBP) gets stuck during its boot ups and tests... disk's I/O error in verbose bootup! Jolly Roger <jollyroger@pobox.com> - 2015-09-25 05:23 +0000
                Re: A 13.3" MacBook Pro (MBP) gets stuck during its boot ups and tests... disk's I/O error in verbose bootup! Ant <ant@zimage.comANT> - 2015-09-26 05:00 -0700
                Re: A 13.3" MacBook Pro (MBP) gets stuck during its boot ups and tests... disk's I/O error in verbose bootup! Jolly Roger <jollyroger@pobox.com> - 2015-09-26 16:41 +0000
                Re: A 13.3" MacBook Pro (MBP) gets stuck during its boot ups and tests... disk's I/O error in verbose bootup! Andreas Rutishauser <andreas@macandreas.ch> - 2015-09-27 07:24 +0200
                Re: A 13.3" MacBook Pro (MBP) gets stuck during its boot ups and tests... disk's I/O error in verbose bootup! Jolly Roger <jollyroger@pobox.com> - 2015-09-27 16:44 +0000
                Re: A 13.3" MacBook Pro (MBP) gets stuck during its boot ups and tests... disk's I/O error in verbose bootup! JF Mezei <jfmezei.spamnot@vaxination.ca> - 2015-09-26 13:59 -0400
  Re: A 13.3" MacBook Pro (MBP) gets stuck during its boot ups and tests... nospam <nospam@nospam.invalid> - 2015-09-23 19:23 -0400
    Re: A 13.3" MacBook Pro (MBP) gets stuck during its boot ups and tests... ANTant@zimage.com (Ant) - 2015-09-23 19:38 -0500
      Re: A 13.3" MacBook Pro (MBP) gets stuck during its boot ups and tests... Jolly Roger <jollyroger@pobox.com> - 2015-09-24 01:20 +0000
        Re: A 13.3" MacBook Pro (MBP) gets stuck during its boot ups and tests... ANTant@zimage.com (Ant) - 2015-09-23 20:24 -0500
          Re: A 13.3" MacBook Pro (MBP) gets stuck during its boot ups and tests... Jolly Roger <jollyroger@pobox.com> - 2015-09-24 01:27 +0000
            Re: A 13.3" MacBook Pro (MBP) gets stuck during its boot ups and tests... ANTant@zimage.com (Ant) - 2015-09-23 22:17 -0500
              Re: A 13.3" MacBook Pro (MBP) gets stuck during its boot ups and tests... Jolly Roger <jollyroger@pobox.com> - 2015-09-24 14:57 +0000
      Re: A 13.3" MacBook Pro (MBP) gets stuck during its boot ups and tests... Lewis <g.kreme@gmail.com.dontsendmecopies> - 2015-09-24 12:32 +0000
        Re: A 13.3" MacBook Pro (MBP) gets stuck during its boot ups and tests... Jolly Roger <jollyroger@pobox.com> - 2015-09-24 15:14 +0000
          Re: A 13.3" MacBook Pro (MBP) gets stuck during its boot ups and tests... ANTant@zimage.com (Ant) - 2015-09-24 10:57 -0500
            Re: A 13.3" MacBook Pro (MBP) gets stuck during its boot ups and tests... Jolly Roger <jollyroger@pobox.com> - 2015-09-24 16:00 +0000
              Re: A 13.3" MacBook Pro (MBP) gets stuck during its boot ups and tests... ANTant@zimage.com (Ant) - 2015-09-24 11:27 -0500
  Re: A 13.3" MacBook Pro (MBP) gets stuck during its boot ups and tests... Jolly Roger <jollyroger@pobox.com> - 2015-09-24 00:28 +0000
    Re: A 13.3" MacBook Pro (MBP) gets stuck during its boot ups and tests... ANTant@zimage.com (Ant) - 2015-09-23 19:44 -0500
      Re: A 13.3" MacBook Pro (MBP) gets stuck during its boot ups and tests... Jolly Roger <jollyroger@pobox.com> - 2015-09-24 01:22 +0000
        Re: A 13.3" MacBook Pro (MBP) gets stuck during its boot ups and tests... ANTant@zimage.com (Ant) - 2015-09-23 20:25 -0500
          Re: A 13.3" MacBook Pro (MBP) gets stuck during its boot ups and tests... ANTant@zimage.com (Ant) - 2015-09-23 22:58 -0500
            Re: A 13.3" MacBook Pro (MBP) gets stuck during its boot ups and tests... Jolly Roger <jollyroger@pobox.com> - 2015-09-24 14:59 +0000
              Re: A 13.3" MacBook Pro (MBP) gets stuck during its boot ups and tests... ANTant@zimage.com (Ant) - 2015-09-24 11:00 -0500
  Re: A 13.3" MacBook Pro (MBP) gets stuck during its boot ups and tests... Your Name <YourName@YourISP.com> - 2015-09-24 13:25 +1200
    Re: A 13.3" MacBook Pro (MBP) gets stuck during its boot ups and tests... ANTant@zimage.com (Ant) - 2015-09-23 20:28 -0500
  Re: A 13.3" MacBook Pro (MBP) gets stuck during its boot ups and tests... Lewis <g.kreme@gmail.com.dontsendmecopies> - 2015-09-24 12:29 +0000
    Re: A 13.3" MacBook Pro (MBP) gets stuck during its boot ups and tests... Jolly Roger <jollyroger@pobox.com> - 2015-09-24 15:11 +0000
    Re: A 13.3" MacBook Pro (MBP) gets stuck during its boot ups and tests... ANTant@zimage.com (Ant) - 2015-09-24 11:21 -0500
      Re: A 13.3" MacBook Pro (MBP) gets stuck during its boot ups and tests... Lewis <g.kreme@gmail.com.dontsendmecopies> - 2015-09-25 06:07 +0000
        Re: A 13.3" MacBook Pro (MBP) gets stuck during its boot ups and tests... Ant <ant@zimage.comANT> - 2015-09-26 05:02 -0700
          Re: A 13.3" MacBook Pro (MBP) gets stuck during its boot ups and tests... Jolly Roger <jollyroger@pobox.com> - 2015-09-26 16:27 +0000
            Re: A 13.3" MacBook Pro (MBP) gets stuck during its boot ups and tests... ANTant@zimage.com (Ant) - 2015-09-27 19:22 -0500
              Re: A 13.3" MacBook Pro (MBP) gets stuck during its boot ups and tests... Jolly Roger <jollyroger@pobox.com> - 2015-09-28 03:37 +0000
                Re: A 13.3" MacBook Pro (MBP) gets stuck during its boot ups and tests... ANTant@zimage.com (Ant) - 2015-09-27 22:45 -0500
                Re: A 13.3" MacBook Pro (MBP) gets stuck during its boot ups and tests... David Ritz <dritz@mindspring.com> - 2015-09-27 23:17 -0500
                Re: A 13.3" MacBook Pro (MBP) gets stuck during its boot ups and tests... ANTant@zimage.com (Ant) - 2015-09-27 23:22 -0500
                Re: A 13.3" MacBook Pro (MBP) gets stuck during its boot ups and tests... David Ritz <dritz@mindspring.com> - 2015-09-27 23:50 -0500
                Re: A 13.3" MacBook Pro (MBP) gets stuck during its boot ups and tests... nospam <nospam@nospam.invalid> - 2015-09-28 01:49 -0400
                Re: A 13.3" MacBook Pro (MBP) gets stuck during its boot ups and tests... Michael Vilain <vilain@NOspamcop.net> - 2015-09-27 21:26 -0700
                Re: A 13.3" MacBook Pro (MBP) gets stuck during its boot ups and tests... nospam <nospam@nospam.invalid> - 2015-09-28 01:49 -0400
                Re: A 13.3" MacBook Pro (MBP) gets stuck during its boot ups and tests... Jolly Roger <jollyroger@pobox.com> - 2015-09-28 06:05 +0000
                Re: A 13.3" MacBook Pro (MBP) gets stuck during its boot ups and tests... nospam <nospam@nospam.invalid> - 2015-09-28 02:09 -0400
                Re: A 13.3" MacBook Pro (MBP) gets stuck during its boot ups and tests... Lewis <g.kreme@gmail.com.dontsendmecopies> - 2015-09-28 07:28 +0000
                Re: Apple Store's appointments (was A 13.3" MacBook Pro (MBP) gets stuck during its boot ups and tests...) ANTant@zimage.com (Ant) - 2015-09-28 02:41 -0500
                Re: Apple Store's appointments (was A 13.3" MacBook Pro (MBP) gets stuck during its boot ups and tests...) Lewis <g.kreme@gmail.com.dontsendmecopies> - 2015-09-28 09:27 +0000
                Re: Apple Store's appointments (was A 13.3" MacBook Pro (MBP) gets stuck during its boot ups and tests...) ANTant@zimage.com (Ant) - 2015-09-28 07:25 -0500
                Re: Apple Store's appointments (was A 13.3" MacBook Pro (MBP) gets stuck during its boot ups and tests...) nospam <nospam@nospam.invalid> - 2015-09-28 12:18 -0400
                Re: A 13.3" MacBook Pro (MBP) gets stuck during its boot ups and tests... Jolly Roger <jollyroger@pobox.com> - 2015-09-28 05:03 +0000

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