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Forum Discussion
Installing a lower capacity disk than the ones running
Hi,
i have just bought the nv+ v2 and i tried to install a hard disk. i already had two compatible hard disk, which have a capacity of 2TB each and i also bought another one which has a capacity of 3TB.
i installed first the disk of 3TB and everything was ok. later on i installed the other disks (the 2TBs) but the system can not see them. after a little research i think that i found out what was going wrong. if i am right, i must install disks of the same or higher capacity than the one that i have,this is why the nas can not really see the drives, right? if so then what exactly should i do? remove all three disks, and then insert first the one which has a capacity of 2TB and then the other of 2TB and afterwards the one of 3TB? or should i install first the one of 2TB then the one of 3TB and then the other? please note that i will use an x-raid configuration.
also, other than this physical process of removing and reinserting the disk, should i also do another process via raidar or dashboard in order to re-initiate the disks/system? or the system will format them and have them on its own and set them up properly.
also what happens whn you want to expand the harddisk? lets say i want to replace a 2TB with a 3TB, and i have an x-raid configuration. do i just remove the 2TB and inster the 3TB? and what happens to the data that are on the 2 TB?
dont worry about data loss. i have already backed them up
i have just bought the nv+ v2 and i tried to install a hard disk. i already had two compatible hard disk, which have a capacity of 2TB each and i also bought another one which has a capacity of 3TB.
i installed first the disk of 3TB and everything was ok. later on i installed the other disks (the 2TBs) but the system can not see them. after a little research i think that i found out what was going wrong. if i am right, i must install disks of the same or higher capacity than the one that i have,this is why the nas can not really see the drives, right? if so then what exactly should i do? remove all three disks, and then insert first the one which has a capacity of 2TB and then the other of 2TB and afterwards the one of 3TB? or should i install first the one of 2TB then the one of 3TB and then the other? please note that i will use an x-raid configuration.
also, other than this physical process of removing and reinserting the disk, should i also do another process via raidar or dashboard in order to re-initiate the disks/system? or the system will format them and have them on its own and set them up properly.
also what happens whn you want to expand the harddisk? lets say i want to replace a 2TB with a 3TB, and i have an x-raid configuration. do i just remove the 2TB and inster the 3TB? and what happens to the data that are on the 2 TB?
dont worry about data loss. i have already backed them up
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- you can just do a factory default, either from the web admin or the boot menu, leave the disks in the device and it will create the x-raid and start resyncing.
you should get approx 3.8tb or so, the extra 1tb on the 3tb drive ill go unused until you get a second 3tb drive.
once you add a second 3tb drive, it will expand both layers giving you about 6.3tb total TeknoJnky wrote: you can just do a factory default, either from the web admin or the boot menu, leave the disks in the device and it will create the x-raid and start resyncing.
you should get approx 3.8tb or so, the extra 1tb on the 3tb drive ill go unused until you get a second 3tb drive.
once you add a second 3tb drive, it will expand both layers giving you about 6.3tb total
thank you very very very much TeknoJnky. your answer is quite helpful. i still have one question though. what happens when i replace a 2TB disk with a 3TB? I Know that the readynass will initialize it and synchronize it on its owvn on the x-raid system with the other disks, but what happens with the data on that 2TB? will i have to manualy transfer them from the 2TB to another disk and then transfer them back to the new 3TB? or will the system do it on its own? if this happens, will i have to do anything administrative wise? or will it all happen automatically with the removal of the 2TB and the insertion of the 3TB?
It all happens automatically. XRAID-2 is giving you single-redundancy - so all your data remains available if one of the drives fails. When you replace a disk, you temporarily lose the redundancy, but your data is all there. The NAS re-establishes the redundancy first (through the resync) and then expands the volume to use the extra space.Costikos wrote: ...but what happens with the data on that 2TB? will i have to manually transfer them from the 2TB to another disk and then transfer them back to the new 3TB? or will the system do it on its own? if this happens, will i have to do anything administrative wise? or will it all happen automatically with the removal of the 2TB and the insertion of the 3TB?
Note that you should still have a backup though, especially when you are working with the disks. If a drive problem is uncovered during the process above, you usually end up losing all the data, not just some of it. RAID is an all-or-nothing kind of thing. And putting your data exclusively on one device is not a good idea.StephenB wrote:
It all happens automatically. XRAID-2 is giving you single-redundancy - so all your data remains available if one of the drives fails. When you replace a disk, you temporarily lose the redundancy, but your data is all there. The NAS re-establishes the redundancy first (through the resync) and then expands the volume to use the extra space.Costikos wrote: ...but what happens with the data on that 2TB? will i have to manually transfer them from the 2TB to another disk and then transfer them back to the new 3TB? or will the system do it on its own? if this happens, will i have to do anything administrative wise? or will it all happen automatically with the removal of the 2TB and the insertion of the 3TB?
Note that you should still have a backup though, especially when you are working with the disks. If a drive problem is uncovered during the process above, you usually end up losing all the data, not just some of it. RAID is an all-or-nothing kind of thing. And putting your data exclusively on one device is not a good idea.
In order to have a backup of all the data, does that mean that i have to have another nas to do it? Or can my current nas back it up somehow?- Your NAS can back it up to a USB hard drive (and some other ways also, check the documenation).
You can also use your PC copy the data over the network (either to your PC's internal drive or an external drive). - excellent. thank you!
one last question. should i install the 3TB disk, second in order to serve as the redundant disk, or should i insert another 2TB disk as second and then the 3tb disk?
i am asking this because in the future i will certainly install more disks of higher capacity. - you should add the 2nd 2tb first, then the 3tb.
or as I mentioned earlier, just default with all disks in place and x-raid will figure it out. - If you are going to do a factory default, put in all your disks first and then do it.
- ok, thanks! two last questions (hopefully)
1. how exactly do i do the factory default? (by the reset button on the back of the nas?)
2. i am trying to copy data from the disk that is in the nas to a disk that is connected on the nas via usb 3. the procedure/method that i am using is to open the explorer on my computer, then find nas and then drag and drop the folder from the nas to the external usb disk connected to the nas. the procedure takes a lotof time and i think it does it because by this method (i am under the impresion) that the data goes through the pc firs. is there a faster way? - For the backup you can set a backup job from within the admin interface of the NAS to back up to your external USB drive.
Factory default can also be performed from within the NAS admin interface.
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