Drive Reconnection Count - reset?

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Drive Reconnection Count - reset?

12
2
NAS
10 Synology NASs
I have a FS1018 that experienced a drive reconnection issue months ago. I reseated the drives and the count has remained static since then. However every month I now get a warning in the Monthly Disk Health Report about the Drive Reconnection Count. Is there a way to reset this number?
 
388
156
NAS
DS212J, DS214play, DS216, DS216play, DS414, DS918+, RS816
Router
  1. RT2600ac
  2. MR2200ac
Operating system
  1. Windows
Mobile operating system
  1. iOS
Take note of the serial number of the drive.
Connect to the machine using SSH and edit /var/log/disk_overview.xml.
Find the XML tag with that serial number and delete it.
Reboot the machine. It will re-create the XML entry starting from scratch.
 
388
156
NAS
DS212J, DS214play, DS216, DS216play, DS414, DS918+, RS816
Router
  1. RT2600ac
  2. MR2200ac
Operating system
  1. Windows
Mobile operating system
  1. iOS
Hm, maybe don't bother; I just tried it on one of mine, and it didn't work, though I could swear it used to... Let me look into this a little deeper.
 
388
156
NAS
DS212J, DS214play, DS216, DS216play, DS414, DS918+, RS816
Router
  1. RT2600ac
  2. MR2200ac
Operating system
  1. Windows
Mobile operating system
  1. iOS
After looking into it, I can't find a way to reset the count on the current version of DSM. Maybe someone smarter than I will be able to figure it out. Challenge made!
 
127
54
NAS
2x DS920+
Router
  1. RT2600ac
  2. MR2200ac
Operating system
  1. Linux
  2. macOS
  3. Windows
  4. other
Mobile operating system
  1. iOS
pretty sure this is a drive-based counter, in SMART.
 
12
1
NAS
DS1621+
Operating system
  1. Windows
Mobile operating system
  1. Android
I am having this same problem. I have a DS1621+ (only about 2 months) and I have drive 1 showing 1 reconnect, drive 3 showing 25 reconnects, drive 4 showing 2.. #1 is wd red pro, 3 & 4 wd red plus, all six drives are 4tb. I get the monthly report emailed and has showed the same results for July and now Aug, no change.

I have run extended smart tests, no errors found. No bad sectors, no issues per se, all seems fine as the nas is used daily. But I dont know how to edit or clear these counts to see if the reconnect attempts changes or increases...?

My synology is running DSM6, would the above steps clear this counter for me?

I was able to putty/ssh into the nas, and navigate to the var/log dir and see the file, but than I am unclear, do I remove the disk_overview.xml file or rename it or what? Sorry, very unfamiliar with linux so a detailed step by step would be greatly appreciated and extremely helpful.

Here is the email I have received twice so far:

The following is your monthly report regarding the health of disks on DS1621+. You can also check the health of individual disks at Storage Manager > HDD/SSD > Health Info.

Only drives with problems are displayed.

Drive 1
S.M.A.R.T. Status: Normal
Bad sector count: 0
Drive reconnection count: 1
Drive re-identification count: 0

Drive 3
S.M.A.R.T. Status: Normal
Bad sector count: 0
Drive reconnection count: 25
Drive re-identification count: 0

Drive 4
S.M.A.R.T. Status: Normal
Bad sector count: 0
Drive reconnection count: 2
Drive re-identification count: 0


Sincerely,
Synology NAS
 

Rusty

Moderator
NAS Support
4,440
1,284
www.blackvoid.club
NAS
DS718+, DS918+, 2x RS3614RPxs+
Router
  1. RT1900ac
  2. RT2600ac
  3. MR2200ac
Operating system
  1. macOS
Mobile operating system
  1. iOS
But I dont know how to edit or clear these counts to see if the reconnect attempts changes or increases...?
Just make a note of the numbers and compared them at a later date. Not sure you can reset the counter, but the more important issue here is why are you getting those. If it's not the drives that are the problem, it could be the NAS (or SATA connectors or something else on the NAS) that's the problem.

Might not be a bad idea to contact support and open a ticket for this. If the NAS is new, maybe you can replace it if there are clear signs of potential problems ahead.
 

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