Re: Disk status and monitoring questions

On 2016-11-26 16:04, Alex wrote:
> Hi,
> 
> I have a set of four WD30EFRX 3TB disks on a fedora24 system in a
> RAID5 config, and it appears one of them is failing. I happened to
> notice it while just checking 'dmesg' recently.
> 
> smartd is running, and I received no alerts, so I wanted to make sure
> it was configured properly. I also don't see any indication of drive
> problems in the logs.

smartd can send you emails on problems, but you have to configure that.


These are your problems.

> ID# ATTRIBUTE_NAME          FLAG     VALUE WORST THRESH TYPE UPDATED  WHEN_FAILED RAW_VALUE

>   5 Reallocated_Sector_Ct   0x0033   200   200   140    Pre-fail Always       -       2

> 196 Reallocated_Event_Count 0x0032   198   198   000    Old_age Always       -       2
> 197 Current_Pending_Sector  0x0032   200   200   000    Old_age Always       -       3


Me, I would disconnect that disk, write it entirely with zeroes, run
long test on it, then rebuild raid, if it passes. Probably making a full
backup of it first on another disk.


-- 
Cheers / Saludos,

		Carlos E. R.
		(from 13.1 x86_64 "Bottle" at Telcontar)

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