unknown disk activity!

hi,

I am not sure since when my Windows 10 PC's D:\ keep loading, non stoppable! any method to see what application keep using that ? from task manager , I see the d:\ has no loading at all but SSD led keep flashing !
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marrowyungSenior Technical architecture (Data)Asked:
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Dr. KlahnPrincipal Software EngineerCommented:
Windows may be automatically defragmenting the drive, which is bad in that (a) it's not necessary on an SSD and (b) it'll shorten the lifetime of the SSD.  Try disabling automatic defragmentation and see if the situation improves.

http://www.thewindowsclub.com/disable-defragmentation-ssd
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marrowyungSenior Technical architecture (Data)Author Commented:
why keep doing it ?
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Qlemo"Batchelor", Developer and EE Topic AdvisorCommented:
Use the resource monitor to see more details on disk activity and corresponding processes.
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marrowyungSenior Technical architecture (Data)Author Commented:
but any way to verify it ?
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marrowyungSenior Technical architecture (Data)Author Commented:
Qlemo,

windows 10 resource monitor will show disk activities for DIFF disk if there are more than on disk ?
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nobusCommented:
can it be a virus?
run an AV scan + mbam :http://www.malwarebytes.org/mbam.php
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Hello ThereSystem AdministratorCommented:
Or just antivirus scan might cause this.
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marrowyungSenior Technical architecture (Data)Author Commented:
"9 Activate AHCI Mode in the BIOS"

this interest me ! let me try, so if BIOS don't allow it I have to change a board ?

"2 Deactivate Prefetch and Superfetch"

how can I do it? OS controlled it, right? is it bad for SSD ?

"3 Deactivate Readyboot"
 
I don't understand how it can be done.

"5 Check TRIM Support"

what is that?
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marrowyungSenior Technical architecture (Data)Author Commented:
"nobus"

AV shows nothing.
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Hello ThereSystem AdministratorCommented:
Also run SSD diagnostic test.
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marrowyungSenior Technical architecture (Data)Author Commented:
Hello There,

AV is not running ..
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Hello ThereSystem AdministratorCommented:
Is your SSD manufactured by Samsung?
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marrowyungSenior Technical architecture (Data)Author Commented:
"Is your SSD manufactured by Samsung?"

ahhahhaa, no ! scadisk !

but I will try to replace it with much faster samsung SSD later this year !
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Hello ThereSystem AdministratorCommented:
And yes, your MB has to have AHCI support.
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marrowyungSenior Technical architecture (Data)Author Commented:
Hello There,

"
Superfetch stores frequently used data & programs directly in RAM.
Both are unnecessary for SSDs due to their superior read speed."

so this make the whole system faster ? what about it is RAID adapter caching ?

"Deactivate Readyboot
Readyboot accelerates the boot process of Windows. Readyboost uses external USB Flash Memory (USB sticks) as a cache for a slower, internal HDD."

if it make boot process faster , why disable it ?

"Check TRIM Support
With the ATA Trim command, the operating system informs an SSD which data sections are no longer needed and can therefore be considered as deleted. Once the entire capacity of an SSD has been written to, ATA TRIM increases the service life and performance of the SSD."

I am wondering why Windows 10 is not going to take care for us automatically ! it is not Windows 8.1 anymore.

why so much manual work.

I am using LSI RAID adapter for caching.
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nobusCommented:
>>  AV shows nothing.   <<  did you run mbam also?  if not - do that as well
and post the pc spec and ssd model, so we can give better help
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marrowyungSenior Technical architecture (Data)Author Commented:
hi,


from resource monitoring:

d driver activity
and I have disable read ahead feature of LSI RAID adapter setting, I have stop all process on D:\ and now it seems only Windowsapp process is running, D:\ still keep loading.
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marrowyungSenior Technical architecture (Data)Author Commented:
now what i saw is, before Windows 10 was loaded, the D:\ LED already on..
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Gerald ConnollyCommented:
So what is the real problem?

It seems like you are changing parameters all over the place without understanding/thinking through the implications
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marrowyungSenior Technical architecture (Data)Author Commented:
I think you are saying it seems I isolate the problem on if it is an OS level problem of hardware configuration problem. :):)  I said it seems that before Windows 10 is loaded the D:\'s LED already ON without stopping at all.

I followed their instruction and I don't see resource manager shows anything related to that.

so I think it is RAID configuration issue.
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Gerald ConnollyCommented:
So you have one SSD in RAID? How is it configured?
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Hello ThereSystem AdministratorCommented:
A little bit off topic but you can find something useful...
SSD Optimalization (How to make it faster):
1 Turn Off Defragmentation
2 Deactivate Prefetch and Superfetch
3 Deactivate Readyboot
4 Move Paging File to HDD
5 Check TRIM Support
6 Deactivate Hibernation
7 Deactivate System Restore
8 Optimize Autostart
9 Activate AHCI Mode in the BIOS

Some people say that optimizing is bad, some people say that optimizing is neccesary. From my experience, not optimizing SSD disks might cause some unexpected issues if you use SSD longer time.

See more HERE.
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marrowyungSenior Technical architecture (Data)Author Commented:
Gerald Connolly,

I am using LSI RAID card, let me know if you experiencing this before if you did have this RAID CARD.

":So you have one SSD in RAID? How is it configured?"

yes, 2 x SSD as RAID 1 as C:\ and 2 x SSD as RAID 1 as D:\, and 4x 3TG HDD has RAID 5 as E:\,, only D:\ keep flashing everyday and I worry about it.

Now I disabled , cached IO (and use direct IO), and SSD cache (I bought license for my LSI card) and I found disk operation by file explorer faster !! :):)

my SSD cache is exactly on D:\ but I don't see it stopped once I disabled it. amazing ! has to check why again !


Hello There,

"1 Turn Off Defragmentation"

I never do it again, someone tell me before, it will make SSD life shorter as this process do a lot of data write.

"4 Move Paging File to HDD"

last night change my Windows 10 to make decision on how to create page file itself, and my HDD is on RAID 5, not very good on write operation. so now I make use of C, D and E:\ , I don't want page file move to E:\ as it is RAID 5, do you think it is good to move page file to RAID 5 HDD volumn ?

"9 Activate AHCI Mode in the BIOS"

already on since my PC working with Windows 10 so I am fine here.
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marrowyungSenior Technical architecture (Data)Author Commented:
hi,

"A little bit off topic but you can find something useful...
SSD Optimalization (How to make it faster):
1 Turn Off Defragmentation
2 Deactivate Prefetch and Superfetch
3 Deactivate Readyboot
4 Move Paging File to HDD
5 Check TRIM Support
6 Deactivate Hibernation
7 Deactivate System Restore
8 Optimize Autostart
9 Activate AHCI Mode in the BIOS"

so this one is for Windows 10 as well? I am trying to do it but I am not sure!

this link: https://www.thomas-krenn.com/en/wiki/Optimize_Windows_for_SSDs

said : egarding information from Microsoft and our own tests we identified that Windows 8.1 and 10 handle SSDs correct, the described task in this article are not neccessary anymore for these operating systems.[1]
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Qlemo"Batchelor", Developer and EE Topic AdvisorCommented:
That should be the case. From my knowledge W10 does switch off defragging, Prefetch and Superfetch, and use TRIM itself, when detecting a SSD.

Hibernate, System Restore, Page file - this is something I do not agree on switching off/moving from SSD at all. In particular System Restore to keep file versions is a great feature, and there is no added wearing out of SSDs by using.
Hibernate causes significant more writes (as used RAM needs to get dumped into the hiberfil.sys file each time hibernation is applied), but it is arguable if that has a real effect on SSD lifetime. Not using hybrid mode (first sleep, then hibernate) is a good idea, however, as that increases the frequency of writing into the hiberfil.sys file.
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marrowyungSenior Technical architecture (Data)Author Commented:
"That should be the case. From my knowledge W10 does switch off defragging, Prefetch and Superfetch, and use TRIM itself, when detecting a SSD."

so I shouldn't change anything then...
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marrowyungSenior Technical architecture (Data)Author Commented:
also one thing , I attach all SSD to a RAID card . how about that ?
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Qlemo"Batchelor", Developer and EE Topic AdvisorCommented:
If the RAID reports the array as SSD, fine. Otherwise it is treated like a harddisk, and nothing is switched off or enabled automatically.
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marrowyungSenior Technical architecture (Data)Author Commented:
this also means I have to  try it myself on the method listed above and see if it works.
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marrowyungSenior Technical architecture (Data)Author Commented:
I am suspecting that it is just a LED on... nothing else. give you all mark first.
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marrowyungSenior Technical architecture (Data)Author Commented:
tks all.
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