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Strange occurence with SSD



 
 
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  #1  
Old May 5th 18, 05:04 PM posted to alt.comp.hardware.pc-homebuilt
Larc[_3_]
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Posts: 334
Default Strange occurence with SSD

I have a Samsung 850 EVO 124G SSD that I use for the system drive in my #2 desktop. I
recently noticed that more than 60G was being used by the C drive. I hadn't
installed nearly that much stuff. A Macrium backup done just 4 days earlier was only
16.5, not nearly large enough for 60+G. I checked out files on C and didn't find
anything that could have been responsible for the high number. The pagefile wasn't
too large and System Restore is turned off. Once I restored the Macrium backup of C,
the drive was down to just over 24.5G used. Better than 35.7G of data was lost.
Everything seems to be there and working as it should. No problems otherwise.

Any ideas what might have happened? I'm thinking there somehow may have been
disconnected data on the drive that Macrium wouldn't have backed up. But I don't do
much work on that PC and can't imagine anything that would use so much space. I
don't know exactly how long it had been there, but certainly not more than a few
months.

Larc
  #2  
Old May 5th 18, 06:51 PM posted to alt.comp.hardware.pc-homebuilt
Flasherly[_2_]
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Posts: 2,087
Default Strange occurence with SSD

On Sat, 05 May 2018 12:04:09 -0400, Larc
wrote:

I have a Samsung 850 EVO 124G SSD that I use for the system drive in my #2 desktop. I
recently noticed that more than 60G was being used by the C drive. I hadn't
installed nearly that much stuff. A Macrium backup done just 4 days earlier was only
16.5, not nearly large enough for 60+G. I checked out files on C and didn't find
anything that could have been responsible for the high number. The pagefile wasn't
too large and System Restore is turned off. Once I restored the Macrium backup of C,
the drive was down to just over 24.5G used. Better than 35.7G of data was lost.
Everything seems to be there and working as it should. No problems otherwise.

Any ideas what might have happened? I'm thinking there somehow may have been
disconnected data on the drive that Macrium wouldn't have backed up. But I don't do
much work on that PC and can't imagine anything that would use so much space. I
don't know exactly how long it had been there, but certainly not more than a few
months.

Larc


I limit a primary active partition, an operating systems, to the OS
size and, reasonably, not much more. Storage data and installs are
placed on logical partitions, some hidden, as in the case of an
arbitrator for more than one OS;- virtual machines or sandboxes may
also be similarly constructed. Program installs, however, favor
portable applications when possible or generally for the most in
practice.

Check with your diagnostic utilities for identifying the SDD
discrepancies with a comprehensive file utility, a partition manager
if needed. In most cases, massive drive structure file storage I keep
offline on dedicated storage HDDs. Some anticipation does help if I
need to reformat partitions or initiate entire discs. Some and up to a
point. To say my Samsung 64G SSD were to continue doing, after
reasonable care for reformatting and diagnostics, similarly what
you're describing could mean my first SSD failure if faults couldn't
be accounted or uniquely patterned.

First, though, you may have to troubleshoot Macrium. I use another
brand of image backup streaming. As a precept and with no less
significance, that they're near to indispensable for a sense of
continued operational integrity.
  #3  
Old May 5th 18, 07:17 PM posted to alt.comp.hardware.pc-homebuilt
Paul[_26_]
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Posts: 808
Default Strange occurence with SSD

Larc wrote:
I have a Samsung 850 EVO 124G SSD that I use for the system drive in my #2 desktop. I
recently noticed that more than 60G was being used by the C drive. I hadn't
installed nearly that much stuff. A Macrium backup done just 4 days earlier was only
16.5, not nearly large enough for 60+G. I checked out files on C and didn't find
anything that could have been responsible for the high number. The pagefile wasn't
too large and System Restore is turned off. Once I restored the Macrium backup of C,
the drive was down to just over 24.5G used. Better than 35.7G of data was lost.
Everything seems to be there and working as it should. No problems otherwise.

Any ideas what might have happened? I'm thinking there somehow may have been
disconnected data on the drive that Macrium wouldn't have backed up. But I don't do
much work on that PC and can't imagine anything that would use so much space. I
don't know exactly how long it had been there, but certainly not more than a few
months.

Larc


WinDirStat or SequoiaView, to review a volume for "large files".

Or, use a Linux LiveDVD and boot up and examine it. Sometimes
the files are "more visible" from there.

On my system, if "powercfg /h on" got done by a Windows Update,
then I might find a large hiberfil.sys on my C: drive. On SSD
installs, I usually turn Hibernate off.

Paul
  #4  
Old May 5th 18, 07:34 PM posted to alt.comp.hardware.pc-homebuilt
VanguardLH[_2_]
external usenet poster
 
Posts: 1,278
Default Strange occurence with SSD

Larc wrote:

I have a Samsung 850 EVO 124G SSD that I use for the system drive in
my #2 desktop. I recently noticed that more than 60G was being used
by the C drive. I hadn't installed nearly that much stuff. A
Macrium backup done just 4 days earlier was only 16.5, not nearly
large enough for 60+G. I checked out files on C and didn't find
anything that could have been responsible for the high number. The
pagefile wasn't too large and System Restore is turned off. Once I
restored the Macrium backup of C, the drive was down to just over
24.5G used. Better than 35.7G of data was lost. Everything seems to
be there and working as it should. No problems otherwise.

Any ideas what might have happened? I'm thinking there somehow may
have been disconnected data on the drive that Macrium wouldn't have
backed up. But I don't do much work on that PC and can't imagine
anything that would use so much space. I don't know exactly how long
it had been there, but certainly not more than a few months.


No mention of the operating system. Since you mentioned a C: drive,
I'll assume you are using some version of Windows (rather than *NIX that
has mount points). Windows XP doesn't support the TRIM command.
Although Windows 7 does, I still use the Samsung Magician utility that
came with the SSD to perform a manual TRIM once per month. I wish their
tool had a CLI (command-line interface) so I could run it from the
command line in a batch file that I could schedule in Task Scheduler
rather than getting a monthly reminder to have me manually run it. TRIM
runs only when the computer is idle. With me on the computer most of
the day and with starting jobs when I leave the computer along with
scheduled events in Task Scheduler, my computer isn't idle very often.
Samsung does garbage collection actively on its own using its own
firmware so I'm not sure the OS needs to support TRIM; however, I still
don't know if a fully busy SSD drive is going to get trimmed. Since you
reimaged the partition, no way to see of TRIM might've helped.

No idea how you saw 60GB was used on the C: drive. If using Windows
Explorer, did you configure it to show hidden and system files? There
are some tools that help let you focus on where disk space is most
getting used. I have TreeSize Free (ran in admin mode) but there are
other similar tools, like WinDirStat (although I find its GUI mostly
glitz rather than directly informative - I want numbers, not
multi-colored blobs, to tell me size).
  #5  
Old May 5th 18, 07:57 PM posted to alt.comp.hardware.pc-homebuilt
Larc[_3_]
external usenet poster
 
Posts: 334
Default Strange occurence with SSD

On Sat, 05 May 2018 13:51:27 -0400, Flasherly wrote:

| I limit a primary active partition, an operating systems, to the OS
| size and, reasonably, not much more. Storage data and installs are
| placed on logical partitions, some hidden, as in the case of an
| arbitrator for more than one OS;- virtual machines or sandboxes may
| also be similarly constructed. Program installs, however, favor
| portable applications when possible or generally for the most in
| practice.
|
| Check with your diagnostic utilities for identifying the SDD
| discrepancies with a comprehensive file utility, a partition manager
| if needed. In most cases, massive drive structure file storage I keep
| offline on dedicated storage HDDs. Some anticipation does help if I
| need to reformat partitions or initiate entire discs. Some and up to a
| point. To say my Samsung 64G SSD were to continue doing, after
| reasonable care for reformatting and diagnostics, similarly what
| you're describing could mean my first SSD failure if faults couldn't
| be accounted or uniquely patterned.
|
| First, though, you may have to troubleshoot Macrium. I use another
| brand of image backup streaming. As a precept and with no less
| significance, that they're near to indispensable for a sense of
| continued operational integrity.

Thanks, Flasherly. I don't think there's any problem with Macrium. What the restore
process put back was exactly what I had installed on the PC. Macrium has saved my
bacon many times and has never once failed. Some other backup programs I've tried
have been less reliable.

As for the SSD, I'll keep an eye on it. It tests fine for now.

Larc
  #6  
Old May 5th 18, 07:59 PM posted to alt.comp.hardware.pc-homebuilt
Larc[_3_]
external usenet poster
 
Posts: 334
Default Strange occurence with SSD

On Sat, 05 May 2018 14:17:06 -0400, Paul wrote:

| WinDirStat or SequoiaView, to review a volume for "large files".
|
| Or, use a Linux LiveDVD and boot up and examine it. Sometimes
| the files are "more visible" from there.
|
| On my system, if "powercfg /h on" got done by a Windows Update,
| then I might find a large hiberfil.sys on my C: drive. On SSD
| installs, I usually turn Hibernate off.

Thanks, Paul. Running "powercfg /h off" is one of the first things I do with a new
Windows build. Hiberfil.sys wasn't present.

I'll use the things you suggest if this ever happens again.

Larc
  #7  
Old May 5th 18, 08:43 PM posted to alt.comp.hardware.pc-homebuilt
Larc[_3_]
external usenet poster
 
Posts: 334
Default Strange occurence with SSD

On Sat, 5 May 2018 13:34:25 -0500, VanguardLH wrote:

| No mention of the operating system. Since you mentioned a C: drive,
| I'll assume you are using some version of Windows (rather than *NIX that
| has mount points). Windows XP doesn't support the TRIM command.
| Although Windows 7 does, I still use the Samsung Magician utility that
| came with the SSD to perform a manual TRIM once per month. I wish their
| tool had a CLI (command-line interface) so I could run it from the
| command line in a batch file that I could schedule in Task Scheduler
| rather than getting a monthly reminder to have me manually run it. TRIM
| runs only when the computer is idle. With me on the computer most of
| the day and with starting jobs when I leave the computer along with
| scheduled events in Task Scheduler, my computer isn't idle very often.
| Samsung does garbage collection actively on its own using its own
| firmware so I'm not sure the OS needs to support TRIM; however, I still
| don't know if a fully busy SSD drive is going to get trimmed. Since you
| reimaged the partition, no way to see of TRIM might've helped.

I should have mentioned the OS. It's 64-bit Windows 10 Pro with the April 2018
update (version 1803, build 17134.1).

| No idea how you saw 60GB was used on the C: drive. If using Windows
| Explorer, did you configure it to show hidden and system files? There
| are some tools that help let you focus on where disk space is most
| getting used. I have TreeSize Free (ran in admin mode) but there are
| other similar tools, like WinDirStat (although I find its GUI mostly
| glitz rather than directly informative - I want numbers, not
| multi-colored blobs, to tell me size).

I used MiniTool Partition Wizard. It tells me the usable size of the drive and the
percentage used. As I recall, it reported 54% of 111.7GB used. Now it's reporting
22% used. Those numbers don't provide for an accurate accounting down to the last
bit, but it's close enough. That 22% reflects about what I installed and have saved
on C. C drive on my main PC uses 28% of 119.1GB, so I knew something was wrong when
used space on a C drive with less installed was just 6GB shy of double what is used
on my main PC C drive.

Larc
  #8  
Old May 5th 18, 09:08 PM posted to alt.comp.hardware.pc-homebuilt
Flasherly[_2_]
external usenet poster
 
Posts: 2,087
Default Strange occurence with SSD

On Sat, 05 May 2018 14:57:51 -0400, Larc
wrote:

I don't think there's any problem with Macrium. What the restore
process put back was exactly what I had installed on the PC. Macrium has saved my
bacon many times and has never once failed.


That's what I said about Norton Ghost Enterprise (an earlier version
and by in large pre-Symantec coding). Until I came up with an image
discrepancy, slipping the prior OS underneath an install of my last
MB, when bringing up an octal-core. There's sloppy, I suppose, and
then there's plainly slipshod and sloppy.
 




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