Not enough HDD/SSD speed for recording to and I/O error has occurred at

Hello,

on a new site (4 cams IPC6424SR-X25-VF), a 4To WD Purple Hard Drive (for record) and an ubuntu server (works fine during 6 months) with 24/7 recording

I got a lot of error since a several days :

It's seems to be a bad new from WD HDD

But I cannot unmount the HDD (errors) to run a SMART Test

So I remove storage from NxWitness, stop the service, unmount it and stop auto mount at startup.

It reboot physical server

I run several SMART test : all is ok

I try to run a performance test : get error.

I've tried to format it, but still error

I use this command

sudo dd if=/dev/zero of=/dev/sda bs=1M count=1

1+0 enregistrements lus
1+0 enregistrements écrits
1048576 octets (1,0 MB, 1,0 MiB) copiés, 0,0404535 s, 25,9 MB/s

I'm testing again with SMART test (curiously more longer than previous, executed within 1minute)

Nx Witness : 4.2.0.32840 (cannot upgrade to version 5 because API connection changes and I didn't upgrade my API system)

Norman

Network Optix team

October 24, 2022 12:16

Hi Julien ROMANO,

My experiences with automounting through the GUI vary a lot per system.
I would recommend auto-mounting the drives through the command line as shown in THIS video.

This command:

Doesn't format the drive, but copies the data from /dev/zero to /dev/sda.

To format a drive, assure the drive in unmounted first. THIS article described the process pretty well.

Julien ROMANO

November 10, 2022 11:25

Norman : nevermind, the hard drive is out of order. I change it and work fine.

November 10, 2022 11:52

Thanks for the update Julien ROMANO.

Not enough HDD/SSD speed for recording to and I/O error has occurred at

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