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Potential faulty hd problem?

Z

zrikz

[H]ard|Gawd
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May 29, 2006
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Was working on expanding an array. Last night before bed one HD of the original two dropped out and crashed. Then about 5 hours later the first one did. The third and New one was apparently fine.

Rebooted, the hd that dropped out first was clicking and wouldn't allow for boot up. Took it out and rebooted and it started repairing the volume. For the past 9 hours its been doing a parity check and the second drive had been clicking the entire time as well. So I went out and got an external to back up.

Well now the check is progressing past 20%. No more clicking and still repairing.

So, once it completes, should I RMA the drive that was clicking ? Or could it have just been some bad sectors ?

Hiting around 25% 2 hours and no more clicking. Don't know what to think
 
Woops, can I get this moved to the data storage section? Sorry
 
So, once it completes, should I RMA the drive that was clicking ?
Click to expand...
This is a no-brainer.

Send it back IF it completes.

This is why back-ups are a necessity and not something you think about later.
 
Have rebuilt the raid, backed everything up... been running solid for about 10 hours with no clicking, have even been testing the drives for errors, etc and nothing. I don't get it.
 
zrikz said:
Have rebuilt the raid, backed everything up... been running solid for about 10 hours with no clicking, have even been testing the drives for errors, etc and nothing. I don't get it.
Click to expand...
OK.

Do what you want...it's not my data or decision.

Good Luck!
 
zrikz said:
Have rebuilt the raid, backed everything up... been running solid for about 10 hours with no clicking, have even been testing the drives for errors, etc and nothing. I don't get it.
Click to expand...

Yeah as others have said, the decision and risks are yours, but I personally wouldn't risk it.

RAID is not a backup solution by any means. RAID is only to ensure convenience/uptime, with some versions of RAID having performance benefits also.

If the drive is under Warranty, then RMA it. RMA any drive that was clicking (modern drives should not click - some older ones are just really loud, but a specific click noise is usually very bad).

Next question: What are the drives you are using? Nearline Enterprise level? SAS? SATA? Consumer level? If Consumer level, what models? WD Green, and other "green/low power" drives are notorious for dropping out of arrays constantly.

What tests have you done on the drive? At the very least I'd recommend doing the manufacturers diagnostics program (SeaTools, etc) both short and long tests, as well as using a program like CrystalDiskInfo to read the SMART Data. Linux has some good test tools like BadBlocks that some people here swear by too (I've never personally used it).

If the data on your array is not critical, or if uptime is not critical, then you can go ahead and continue using the drives, and see how it goes. However, I'd replace the drive ASAP personally.
 
I understand raid is not for back ups, I'm on a back up schedule with my externals, only reason I wasn't before was because these were nearly brand new and my external died a month ago :/

I'm using WD 3tb Reds, it's for a personal media NAS in a synology DS413, still learning and getting into it. WD tools tests running on it. I RMAed one of the three already. Soon as I get that one back, I'll RMA this one then, just to be safe., Just some movie and tv shows but still don't want to lose any.

Thanks for the info and advice Dalek
 
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zrikz said:
I understand raid is not for back ups, I'm on a back up schedule with my externals, only reason I wasn't before was because these were brand new and my external died a month ago :/

I'm using WD 3tb Reds, it's for a personal media NAS in a synology DS413, still learning and getting into it. WD tools tests running on it. I RMAed one of the three already. Soon as I get that one back, I'll RMA this one then, just to be safe.

Thanks for the info and advice Dalek
Click to expand...

It's good to hear that you have an external backup schedule. It's frustrating to see people who assume RAID is a substitute for backup :p

The WD Red drives should be an excellent choice for your synology unit, it's pretty much exactly what they were designed for. What level of RAID are you using on there?
 
dalekphalm said:
It's good to hear that you have an external backup schedule. It's frustrating to see people who assume RAID is a substitute for backup :p

The WD Red drives should be an excellent choice for your synology unit, it's pretty much exactly what they were designed for. What level of RAID are you using on there?
Click to expand...

Using the Synology hybrid raid, looks like its basically raid 5 once you hit the third drive, with two its just raid 1 but allows for easy expanding because i couldn't afford all 4 drives at once, so started with two, then got my third this week.

Once I get all three in I might just redo into raid 5, any suggestions on that ?
 
Go Raid 5 or Raid 6 if you can get another drive. Make sure you go hardware raid on a LSI card.
 
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