Hardware Thread, Degraded Raid 1 in Technical; Ahem, what does that mean? It's something i havent come across before...
Finally got new NAS going (see other post) ...
23rd July 2009, 07:41 PM #1
Degraded Raid 1
Ahem, what does that mean? It's something i havent come across before...
Finally got new NAS going (see other post) got backup going but as i was about to leave for the evening, noticed that status it was degraded....what does this mean and what do i do? Is my backup a waste of time?
23rd July 2009, 07:45 PM #2
One of your drives is toast, you will need to replace it in all likelyhood. Check the device for status lights or the config page to see which one it is.
Edit: actually depending on how long it has been on and the device itself it may still be building the mirror, status page should tell you anyhow.
23rd July 2009, 07:47 PM #3
You have to stop taking your RAID devices to strip clubs, how can you degrade them like that !!
23rd July 2009, 07:57 PM #4
Well its literally new out of the box....so is it still doing its thing?!
23rd July 2009, 08:09 PM #5
Depends on the device and its default behaviour (didn't see the other thread so don't know what it is). Depending on the software it could be still formatting and building the drive mirror but allow data to be written to it anyway as it is completing the rest. Other devices will not allow you to write data untill this initial build is complate. You would need to look at the extended or detailed status of the device/drive set to see if it says if it is building or whether a drive has actually failed. Devices can come broken out of the box but it sounds likely that the system is still building the mirror. As such it does not have a complete mirror (both copies) yet so the RAID drive is degraded (not completely redundant and functioning at full performance).
23rd July 2009, 08:27 PM #6
Was the RAID array just created? It could easily take 4-8 hours to build the array depending on the box, it you have just created it then this will probably remain on degraded until it has finished the initial build.
23rd July 2009, 08:31 PM #7
Long story short, i purchased it along with our new server, but current NAS died so had to get it early. Provider engineers did the first bit of setup giving it and IP and what not and setting the raid so i guess that got the process going but if it can take up to 8 hours im guessing they didnt have it on that long....
23rd July 2009, 10:00 PM #8
Hmmm, I'm not so convinced, I think one of the drives is fried by the sounds of things. What is the RAID array hosting? The OS or just files?
24th July 2009, 04:39 PM #9
It's just files...
Ive had look at settings, one page says "Sync Time Remaining: Degraded"
Now this is pretty much brand new out of the box, will my provider get me another HDD for it? Or they gonna try and tell me i've bust it?
(Its a Dlink DNS 323)
24th July 2009, 04:45 PM #10
It's a D Link so I would get a refund on the whole thing and purchase a proper NAS or make your own using open filer and a raid card with a computer
Originally Posted by Little-Miss
24th July 2009, 06:09 PM #11
That doesnt really help....
24th July 2009, 06:25 PM #12
Did I imagine it or did you say in a previous post that a cable was found to be loose on one for the drives? If so this would account for the degraded status.
Have yout tried to rebuild the RAID - Tools > RAID ?
24th July 2009, 06:34 PM #13
No you didnt dream it sysman, when i first plugged the drive in, i noticed there was no second light for the drive so i opened it up to find it loose so reconnected it.
Will rebuilding the RAID lose what i have on there? If so it may have to wait till after new server is up and running because it currently holds my only full backup of our current server.
24th July 2009, 06:40 PM #14
Neither does it being D Link but I still mentioned it lol
Originally Posted by Little-Miss
24th July 2009, 06:44 PM #15
If it's only been on a short time, and especially at this time of day, I'd leave it switched on over the weekend to rule out that it's building the array for the first time. If it's still degraded on Monday, revisit the problem. If it's something like a loose cable, you might get away with it rebuilding on its own, or you may have to intervene and request a rebuild (possibly from scratch). If everything seems ok, send it back.
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