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NAS drive question
http://x404.co.uk/forum/viewtopic.php?f=4&t=26281
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Author:  John_Vella [ Fri Jun 23, 2017 8:22 am ]
Post subject:  NAS drive question

Hi,

I've got a RAID array, which is made up of 4x3TB drives, set up as a RAID 5 array.

I'm getting errors in the log, basically telling me that drive 1 may be on the way out. I checked because the transfer speed dropped like a stone, and I was having trouble streaming videos.

My question is, since I have to replace the drive, if I put in a 4TB drive then replace the rest of the 3TB drives, one at a time, as funds permit, with 4TB drives, will the array magically rebuild itself to use the full space available, once all of the drives have been swapped?

Or will I have to back up my data then manually build a new array?

Thanks in advance.

:)

Edit to add: I did gracefully shut down unit before I went to work, on the off-chance that it's just pissed off about something and turning it off and on again might help. I doubt it will, but it's worth a shot...

Author:  saspro [ Fri Jun 23, 2017 8:25 am ]
Post subject:  Re: NAS drive question

If you add a 4TB then it'll rebuild using 3TB of that disk.

If it's in XRAID then you can only expand once you've replaced all the disks with larger drives (one at a time & let it rebuild each time

Author:  John_Vella [ Fri Jun 23, 2017 8:32 am ]
Post subject:  Re: NAS drive question

saspro wrote:
If you add a 4TB then it'll rebuild using 3TB of that disk.

If it's in XRAID then you can only expand once you've replaced all the disks with larger drives (one at a time & let it rebuild each time


Thanks for the quick reply! I'm 99% certain that it is XRAID, but I won't be 100% until I get home.

Now all I need to do is source some drives. Silly question, but I'm guessing that I should be looking for NAS HDDs, since it is left on 24/7?

Author:  davrosG5 [ Fri Jun 23, 2017 8:55 am ]
Post subject:  Re: NAS drive question

John_Vella wrote:
Now all I need to do is source some drives. Silly question, but I'm guessing that I should be looking for NAS HDDs, since it is left on 24/7?

I'd certainly go for NAS specific drives if you can. They are designed to deal with the vibration you get in multi-drive setups better than regular drives.

Author:  saspro [ Fri Jun 23, 2017 9:07 am ]
Post subject:  Re: NAS drive question

WD Reds are always good. Or anything enterprise.

Author:  John_Vella [ Fri Jun 23, 2017 10:00 am ]
Post subject:  Re: NAS drive question

Thanks, guys. New drive ordered.

Author:  John_Vella [ Sun Jun 25, 2017 1:31 pm ]
Post subject:  Re: NAS drive question

Drive received and replaced. According to the admin' page, there are only 41 hours left to resync.

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