External drive attached to a DVR

Y

Yousuf Khan

I can't believe this, my DVR has eaten another hard disk! This time it
was a 1TB Seagate, rather than a 500GB Hitachi. I bought the Seagate
just 12 days ago to replace the Hitachi. What the hell is this DVR doing
that's so hard on hard drives? The new drive all of a sudden has 312 bad
sectors!

Yousuf Khan

Okay, now the 3rd drive is starting to show signs of problems. The DVR
thought it was offline for some reason last night. This is also the same
sort of refurbished drive as the 2nd drive. I took it off the DVR ran it
through the laptop, and SMART reported a lot of Read Error Rates and
Seek Error Rates. However, no Reallocated Sectors yet, so HD Sentinel
thinks the drive is fine. Are these errors enough for me to go back and
exchange it yet?

What would cause the Read Error and Seek Errors to occur? Cabling?
Power? Physical surface defects?

Yousuf Khan
 
R

Rod Speed

Yousuf Khan wrote
Yousuf Khan wrote
Okay, now the 3rd drive is starting to show signs of problems. The DVR thought it was offline for some reason last
night. This is also the same sort of refurbished drive as the 2nd drive. I took it off the DVR ran it through the
laptop, and SMART reported a lot of Read Error Rates and Seek Error Rates.

Thats normal for seagates, what model is it ?
However, no Reallocated Sectors yet, so HD Sentinel thinks the drive is fine. Are these errors enough for me to go
back and exchange it yet?

Not if its a seagate.
What would cause the Read Error and Seek Errors to occur?

With seagates its just a different way of reporting what all drives see.

Nope, not if its not a seagate.
Power?
Yes.

Physical surface defects?

Nope.
 
Y

Yousuf Khan

Yousuf Khan wrote

Thats normal for seagates, what model is it ?


Not if its a seagate.


With seagates its just a different way of reporting what all drives see.


Nope, not if its not a seagate.


Nope.

I see, well it is a Seagate, don't remember which one anymore, it's a 1
TB model.

Yousuf Khan
 
R

Rod Speed

Yousuf Khan wrote
Rod Speed wrote
I see, well it is a Seagate, don't remember which one anymore, it's a 1 TB model.

OK, no evidence of a problem yet except the drive going offline.

That is evidence of a flakey power supply in the Vantec.
 
G

GMAN

Okay, now the 3rd drive is starting to show signs of problems. The DVR
thought it was offline for some reason last night. This is also the same
sort of refurbished drive as the 2nd drive. I took it off the DVR ran it
through the laptop, and SMART reported a lot of Read Error Rates and
Seek Error Rates. However, no Reallocated Sectors yet, so HD Sentinel
thinks the drive is fine. Are these errors enough for me to go back and
exchange it yet?

What would cause the Read Error and Seek Errors to occur? Cabling?
Power? Physical surface defects?

Yousuf Khan


What extrernal case are you using again?

And what exact model of DVR?
 
Y

Yousuf Khan

What extrernal case are you using again?

And what exact model of DVR?

The DVR is a Cisco/Scientific Atlanta 8300HD, while the external case is
a Vantec Nexstar CX USB2/eSATA.

Yousuf Khan
 

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