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[gfef]

My wonderful son has taken my hard drives out for fun. When I put them back the nas unit wont recognise them (red lights) what do I do?

[JavaLawyer]

My wonderful son has taken my hard drives out for fun. When I put them back the nas unit wont recognise them (red lights) what do I do?

Did you try rotating the HDDs?  There may be a dependency on the slot in which each HDD was originally located.

[NixZero]

if he did that while the unit was on probably you have some filesystem coruption, your best option is to mount temporarely your disks on a pc running linux (even just a temporary live distro from an usb stick) and run fsck on both.
dns-320l disk check utility is not effective.
note that this will work on regularly partitioned disks (I've done that already), I dont know if it will create problems on raid disks

[JavaLawyer]

if he did that while the unit was on probably you have some filesystem coruption

You're probably right, but I think it's prudent to rule out the simple things, like HDDs in the wrong slot, etc. prior to mounting the HDDs in a PC to pull the data.

your best option is to mount temporarely your disks on a pc running linux (even just a temporary live distro from an usb stick) and run fsck on both.
dns-320l disk check utility is not effective.
note that this will work on regularly partitioned disks (I've done that already), I dont know if it will create problems on raid disks

The HDDs can also be mounted in a Windows PC - the following sticky post lists some third party software products that have proven to work with different flavors of RAID: DNS-320L - Data Recovery (Windows PCs)

[gfef]

Hi
Thanks very much for the responses. I'm a little unclear as to why this should be problem at all considering they are new HDD's and they've only been in two weeks.
Unfortunately we have laptops so i don't have a way to read the discs. I guess some kind of disk caddy.

[RYAT3]

Hi
Thanks very much for the responses. I'm a little unclear as to why this should be problem at all considering they are new HDD's and they've only been in two weeks.
Unfortunately we have laptops so i don't have a way to read the discs. I guess some kind of disk caddy.

Is the 320 Hot swappable?

[JavaLawyer]

Is the 320 Hot swappable?

No, and from the post it looks like the HDDs were removed while the unit was on, so there's a likelihood of filesystem corruption.

[JavaLawyer]

Hi
Thanks very much for the responses. I'm a little unclear as to why this should be problem at all considering they are new HDD's and they've only been in two weeks.
Unfortunately we have laptops so i don't have a way to read the discs. I guess some kind of disk caddy.

Do you have a backup of your data elsewhere? Since the HDDs are relatively new, if the data on the HDDs is replaceable or not that important you can simply reformat the HDDs in the DNS-320L and start fresh.

[gfef]

thanks for all the responses. What does hot swappable mean?

If I put in a new HDD and then copy the data from files on the hard drive that was taken out back to the newly formatted in the 32ol will it now read the data (assuming it's not corrupted)?

[JavaLawyer]

thanks for all the responses. What does hot swappable mean?

Hot swappable means that HDDs can be removed from the DNS-320L without powering down the unit. Since the DNS-320L does not support hot swapping, there's a chance that there's some corruption since the HDDs were pulled out while the DNS-320L was running at the time.

If I put in a new HDD and then copy the data from files on the hard drive that was taken out back to the newly formatted in the 32ol will it now read the data (assuming it's not corrupted)?

Yes.