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The Graveyard - Products No Longer Supported => D-Link Storage => DNS-323 => Topic started by: Clayton on August 20, 2010, 04:47:39 PM

Title: Reallocated sector count
Post by: Clayton on August 20, 2010, 04:47:39 PM

About a month after buying the D-LINK DNS-323 and 2x 1.5TB Seagate drives one failed with over temp, so had it replaced under warranty and now has been all good for about a year now, the other day I took both drives out and plugged them into my computer to check SMART status using Everest and now they both show errors in Reallocated sector count

ID   Attribute Description   Threshold   Value   Worst   Data   Status
05   Reallocated Sector Count   36       100    100       12   OK:Value is normal

The other drive is not that bad, Data is about 7

So are these drives acutally faulty or failing? should I RMA them? I ran the Seagate diagnosis utility in dos and it reports the drives as ok
I'm ordering 2 x 2TB drives tomorrow and will check the Reallocated sector count on them also

Just another off topic question, my SSD drive which is a month old also shows

ID   Attribute Description   Threshold   Value   Worst   Data   Status
05   Reallocated Sector Count   0      100   100   1            OK: Always passes

Title: Re: Reallocated sector count
Post by: gunrunnerjohn on August 20, 2010, 05:23:33 PM

Well, I did the SMART test on all of my local drives and the one in my DNS-323 and the two in my Synology DS209.  The only ones that have any reallocated sectors are the two Seagate ST31500341AS drives in the Synology NAS.  I guess it's a good thing I run RAID over there, sounds like they aren't the most reliable drive on the planet. :)

One of the drives has 1 as raw data, the other 33.  The threshold is 36, so I suspect I may be getting a warning one of these days about at least one of the drives!  Good thing I have a daily USB backup running off that box. :D

Title: Re: Reallocated sector count
Post by: Clayton on August 20, 2010, 06:40:56 PM

So a RMA is in order?

Title: Re: Reallocated sector count
Post by: jamieburchell on August 21, 2010, 01:48:44 AM

Looks like it. If data is the actual value and threshold is the maximum before a warning, what does value and worst mean?

Title: Re: Reallocated sector count
Post by: gunrunnerjohn on August 21, 2010, 09:46:30 AM

I've never been totally sure of exactly what the raw values mean.  That's why I like the SpeedFan capability to link to a site that presents a "plain English" description of the SMART results. :D

Title: Re: Reallocated sector count
Post by: Clayton on August 24, 2010, 06:18:13 AM

Is there a way I can check the SMART status of my drives in the enclosure or do I need to take them out and plug them into my computer to do this?

Title: Re: Reallocated sector count
Post by: gunrunnerjohn on August 24, 2010, 07:08:04 AM

You can install fun_plug and use smartctl from telnet or SSH.

Title: Re: Reallocated sector count
Post by: Clayton on August 24, 2010, 03:34:27 PM

Thanks, do you have a download link and installation instructions on this?

Title: Re: Reallocated sector count
Post by: jamieburchell on August 24, 2010, 03:42:16 PM

http://nas-tweaks.net/CH3SNAS:Tutorials/fun_plug (http://nas-tweaks.net/CH3SNAS:Tutorials/fun_plug)

You'll want to install the smartmontools package when you're at that stage. Then run "smartctl -a -i -d marvell /dev/sda" for example.

Title: Re: Reallocated sector count
Post by: Clayton on August 25, 2010, 09:28:50 AM

cheers