Re: How does OS-X behave with a dead SSD ?

From	Jolly Roger <jollyroger@pobox.com>
Newsgroups	comp.sys.mac.system
Subject	Re: How does OS-X behave with a dead SSD ?
Date	2016-11-30 07:19 +0000
Message-ID	<ea7criFcocfU1@mid.individual.net> (permalink)
References	(5 earlier) <291120161456080223%JimSGibson@gmail.com> <291120161828475976%nospam@nospam.invalid> <slrno3s8ou.1s71.g.kreme@snow.local> <ea6usbF9ovmU1@mid.individual.net> <583e6990$0$51650$c3e8da3$f6268168@news.astraweb.com>

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JF Mezei <jfmezei.spamnot@vaxination.ca> wrote:
> On 2016-11-29 22:20, Jolly Roger wrote:
> 
>> Time Machine to back up to two different destinations, whenever the SSD
>> does crap out, replacing it will be a simple matter of replace, then
>> restore. It's completely a non-issue.
> 
> You're assuming that you will notice it crapping out. Unlike  spinning
> rust discs, an SSD will continue to remain readable after writes become
> a problem.

Irrelevant; as soon as there is an issue that prevents either reads *or*
writes, the OS will say so.

> But you may encounter a situation where after saving a document, the
> middle 4 blocks contain invalid data because the SSD was unable to write
> those 4 blocks and nobody noticed.

Now you're trying to claim macOS doesn't verify data that it writes to a
volume during file saves? That's not just completely false; it's laughable!

> you cannot state that you're perfectly safe

The fuck I can't. I have multiple automated backup sets stored on- and
off-site, ensuring I'll lose no more than an hour of data at any time due
to a hardware failure.

> This isn't FUD

Yes it is.

> If you don't even know that an SSD will report unwriteable cells in
> SMART data, how can you be sure that your current SSD hasn't begun to
> degrade and lose cells ?

Because my SSD shows zero signs of malfunction after eight years of
continuous use doing hefty work - not a single I/O error or failed read or
write in all that time. Your fear, uncertainty, and doubt are completely
unwarranted, as usual.

-- 
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

How does OS-X behave with a dead SSD ? JF Mezei <jfmezei.spamnot@vaxination.ca> - 2016-11-27 14:55 -0500
  Re: How does OS-X behave with a dead SSD ? Jolly Roger <jollyroger@pobox.com> - 2016-11-27 20:07 +0000
    Re: How does OS-X behave with a dead SSD ? JF Mezei <jfmezei.spamnot@vaxination.ca> - 2016-11-27 20:18 -0500
      Re: How does OS-X behave with a dead SSD ? nospam <nospam@nospam.invalid> - 2016-11-27 20:32 -0500
        Re: How does OS-X behave with a dead SSD ? JF Mezei <jfmezei.spamnot@vaxination.ca> - 2016-11-27 20:54 -0500
          Re: How does OS-X behave with a dead SSD ? nospam <nospam@nospam.invalid> - 2016-11-27 20:56 -0500
            Re: How does OS-X behave with a dead SSD ? Jolly Roger <jollyroger@pobox.com> - 2016-11-28 02:09 +0000
          Re: How does OS-X behave with a dead SSD ? Jolly Roger <jollyroger@pobox.com> - 2016-11-28 02:05 +0000
            Re: How does OS-X behave with a dead SSD ? JF Mezei <jfmezei.spamnot@vaxination.ca> - 2016-11-27 23:36 -0500
              Re: How does OS-X behave with a dead SSD ? nospam <nospam@nospam.invalid> - 2016-11-28 07:31 -0500
                Re: How does OS-X behave with a dead SSD ? JF Mezei <jfmezei.spamnot@vaxination.ca> - 2016-11-28 13:41 -0500
                Re: How does OS-X behave with a dead SSD ? nospam <nospam@nospam.invalid> - 2016-11-28 14:32 -0500
                Re: How does OS-X behave with a dead SSD ? android <here@there.was> - 2016-11-28 21:05 +0100
                Re: How does OS-X behave with a dead SSD ? Jolly Roger <jollyroger@pobox.com> - 2016-11-28 20:39 +0000
                Re: How does OS-X behave with a dead SSD ? JF Mezei <jfmezei.spamnot@vaxination.ca> - 2016-11-28 18:52 -0500
                Re: How does OS-X behave with a dead SSD ? Jolly Roger <jollyroger@pobox.com> - 2016-11-28 23:56 +0000
                Re: How does OS-X behave with a dead SSD ? Alan Browne <alan.browne@freelunchvideotron.ca> - 2016-11-28 19:06 -0500
                Re: How does OS-X behave with a dead SSD ? joe <none@domain.invalid> - 2016-11-28 19:53 -0600
                Re: How does OS-X behave with a dead SSD ? JF Mezei <jfmezei.spamnot@vaxination.ca> - 2016-11-28 18:30 -0500
                Re: How does OS-X behave with a dead SSD ? Jolly Roger <jollyroger@pobox.com> - 2016-11-28 20:38 +0000
              Re: How does OS-X behave with a dead SSD ? Jolly Roger <jollyroger@pobox.com> - 2016-11-28 20:37 +0000
      Re: How does OS-X behave with a dead SSD ? Jolly Roger <jollyroger@pobox.com> - 2016-11-28 01:47 +0000
      Re: How does OS-X behave with a dead SSD ? Lewis <g.kreme@gmail.com.dontsendmecopies> - 2016-11-28 06:31 +0000
        Re: How does OS-X behave with a dead SSD ? JF Mezei <jfmezei.spamnot@vaxination.ca> - 2016-11-28 02:07 -0500
          Re: How does OS-X behave with a dead SSD ? Lewis <g.kreme@gmail.com.dontsendmecopies> - 2016-11-29 01:40 +0000
          Re: How does OS-X behave with a dead SSD ? Jim Gibson <JimSGibson@gmail.com> - 2016-11-29 14:56 -0800
            Re: How does OS-X behave with a dead SSD ? nospam <nospam@nospam.invalid> - 2016-11-29 18:28 -0500
              Re: How does OS-X behave with a dead SSD ? Lewis <g.kreme@gmail.com.dontsendmecopies> - 2016-11-30 00:52 +0000
                Re: How does OS-X behave with a dead SSD ? Jolly Roger <jollyroger@pobox.com> - 2016-11-30 03:20 +0000
                Re: How does OS-X behave with a dead SSD ? JF Mezei <jfmezei.spamnot@vaxination.ca> - 2016-11-30 00:54 -0500
                Re: How does OS-X behave with a dead SSD ? Jolly Roger <jollyroger@pobox.com> - 2016-11-30 07:19 +0000
                Re: How does OS-X behave with a dead SSD ? JF Mezei <jfmezei.spamnot@vaxination.ca> - 2016-11-30 16:38 -0500
                Re: How does OS-X behave with a dead SSD ? Jolly Roger <jollyroger@pobox.com> - 2016-12-01 00:44 +0000
                Re: How does OS-X behave with a dead SSD ? joe <none@domain.invalid> - 2016-11-30 21:11 -0600
                Re: How does OS-X behave with a dead SSD ? Jolly Roger <jollyroger@pobox.com> - 2016-12-01 03:34 +0000
                Re: How does OS-X behave with a dead SSD ? Lewis <g.kreme@gmail.com.dontsendmecopies> - 2016-12-01 12:55 +0000
                Re: How does OS-X behave with a dead SSD ? Alan Browne <alan.browne@freelunchvideotron.ca> - 2016-12-01 16:51 -0500
                Re: How does OS-X behave with a dead SSD ? JF Mezei <jfmezei.spamnot@vaxination.ca> - 2016-12-01 18:46 -0500
                Re: How does OS-X behave with a dead SSD ? Alan Browne <alan.browne@freelunchvideotron.ca> - 2016-12-01 19:37 -0500
                Re: How does OS-X behave with a dead SSD ? JF Mezei <jfmezei.spamnot@vaxination.ca> - 2016-12-02 00:46 -0500
                Re: How does OS-X behave with a dead SSD ? nospam <nospam@nospam.invalid> - 2016-12-02 01:42 -0500
                Re: How does OS-X behave with a dead SSD ? Jim Gibson <JimSGibson@gmail.com> - 2016-12-02 01:04 -0800
                Re: How does OS-X behave with a dead SSD ? joe <none@domain.invalid> - 2016-12-02 08:06 -0600
                Re: How does OS-X behave with a dead SSD ? Alan Browne <alan.browne@freelunchvideotron.ca> - 2016-12-03 08:50 -0500
                Re: How does OS-X behave with a dead SSD ? Jolly Roger <jollyroger@pobox.com> - 2016-12-03 15:07 +0000
                Re: How does OS-X behave with a dead SSD ? Jolly Roger <jollyroger@pobox.com> - 2016-12-03 15:16 +0000
                Re: How does OS-X behave with a dead SSD ? Alan Browne <alan.browne@freelunchvideotron.ca> - 2016-12-03 10:57 -0500
                Re: How does OS-X behave with a dead SSD ? JF Mezei <jfmezei.spamnot@vaxination.ca> - 2016-12-03 17:06 -0500
                Re: How does OS-X behave with a dead SSD ? Alan Browne <alan.browne@freelunchvideotron.ca> - 2016-12-03 17:25 -0500
                Re: How does OS-X behave with a dead SSD ? Jolly Roger <jollyroger@pobox.com> - 2016-12-04 00:32 +0000
                Re: How does OS-X behave with a dead SSD ? JF Mezei <jfmezei.spamnot@vaxination.ca> - 2016-12-03 21:19 -0500
                Re: How does OS-X behave with a dead SSD ? David Ritz <dritz@mindspring.com> - 2016-12-03 21:39 -0600
                Re: How does OS-X behave with a dead SSD ? joe <none@domain.invalid> - 2016-12-03 19:41 -0600
                Re: How does OS-X behave with a dead SSD ? JF Mezei <jfmezei.spamnot@vaxination.ca> - 2016-12-03 21:26 -0500
                Re: How does OS-X behave with a dead SSD ? Jolly Roger <jollyroger@pobox.com> - 2016-12-04 05:59 +0000
                Re: How does OS-X behave with a dead SSD ? ANTant@zimage.com (Ant) - 2016-12-04 21:48 -0600
                Re: How does OS-X behave with a dead SSD ? Jolly Roger <jollyroger@pobox.com> - 2016-12-05 18:01 +0000
                Re: How does OS-X behave with a dead SSD ? ANTant@zimage.com (Ant) - 2016-12-05 22:17 -0600
                Re: How does OS-X behave with a dead SSD ? Alan Browne <alan.browne@freelunchvideotron.ca> - 2016-12-03 10:51 -0500
                Re: How does OS-X behave with a dead SSD ? Lewis <g.kreme@gmail.com.dontsendmecopies> - 2016-12-02 10:28 +0000
                Re: How does OS-X behave with a dead SSD ? Alan Browne <alan.browne@freelunchvideotron.ca> - 2016-12-03 08:48 -0500
                Re: How does OS-X behave with a dead SSD ? Jolly Roger <jollyroger@pobox.com> - 2016-12-03 15:02 +0000
                Re: How does OS-X behave with a dead SSD ? Jolly Roger <jollyroger@pobox.com> - 2016-12-02 17:54 +0000
                Re: How does OS-X behave with a dead SSD ? Alan Baker <alangbaker@telus.net> - 2016-12-05 00:08 -0800
                Re: How does OS-X behave with a dead SSD ? Lewis <g.kreme@gmail.com.dontsendmecopies> - 2016-12-05 16:10 +0000
                Re: How does OS-X behave with a dead SSD ? Alan Baker <alangbaker@telus.net> - 2016-12-05 12:47 -0800
                Re: How does OS-X behave with a dead SSD ? Lewis <g.kreme@gmail.com.dontsendmecopies> - 2016-12-05 21:53 +0000
                Re: How does OS-X behave with a dead SSD ? joe <none@domain.invalid> - 2016-11-30 07:55 -0600
                Re: How does OS-X behave with a dead SSD ? nospam <nospam@nospam.invalid> - 2016-11-30 11:12 -0500
                Re: How does OS-X behave with a dead SSD ? JF Mezei <jfmezei.spamnot@vaxination.ca> - 2016-11-30 16:44 -0500
                Re: How does OS-X behave with a dead SSD ? nospam <nospam@nospam.invalid> - 2016-11-30 17:14 -0500
                Re: How does OS-X behave with a dead SSD ? Jolly Roger <jollyroger@pobox.com> - 2016-12-01 00:53 +0000
                Re: How does OS-X behave with a dead SSD ? Lewis <g.kreme@gmail.com.dontsendmecopies> - 2016-12-01 12:58 +0000
                Re: How does OS-X behave with a dead SSD ? Lewis <g.kreme@gmail.com.dontsendmecopies> - 2016-11-30 20:15 +0000
                Re: How does OS-X behave with a dead SSD ? billy@MIX.COM - 2016-12-04 05:25 +0000
                Re: How does OS-X behave with a dead SSD ? Jolly Roger <jollyroger@pobox.com> - 2016-12-04 06:02 +0000
                Re: How does OS-X behave with a dead SSD ? JF Mezei <jfmezei.spamnot@vaxination.ca> - 2016-12-04 02:00 -0500
                Re: How does OS-X behave with a dead SSD ? Lewis <g.kreme@gmail.com.dontsendmecopies> - 2016-12-04 18:42 +0000
              Re: How does OS-X behave with a dead SSD ? Jim Gibson <JimSGibson@gmail.com> - 2016-11-29 18:10 -0800

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