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Forum Discussion
ReadyNAS RN104 stuck and not working after 6.7.4 firmware install
Hi everybody, after the last 6.7.4 firmware update my RN104 has strange behaviour. Sometimes it gets stuck and the only way to reboot it is to pull the AC plug. The front button or the back reset ...
77PALE77 wrote:
Others are 1,3,4Tb. I think that if you say 4x4Tb=16Tb is typical in x-raid, 8+1+3+4Tb = 16Tb would be similar, isn't it? So I think 8Tb istead of 10Tb would be enough.
The volume capacity rule for single-redundancy xraid is "sum the disks and subtract the largest".
4x4 TB gives you a 12 TB volume size (10.9 TiB) .
8+1+3+4 TB gives you an 8 TB volume size (7.2 TiB).
10+1+3+4 TB also gives you an 8 TB volume size (7.2 TiB).
You waste space whenever the two largest disks aren't the same size.
77PALE77 wrote:
Anyway, isn't Xraid capable of rebuilding data if one disk fails?
Yes. And the larger the volume size, the longer that rebuild takes. All the blocks on the replacement disk must be reconstructed. That reconstruction requires reading the every block on all the remaining disks. The volume is unprotected ("degraded") until that process completes. Large volumes on an RN104 can easily take a week. If a second disk fails during the reconstruction, you lose all your data.
FWIW, RAID is not enough to keep your data safe. If you depend on RAID for that, at some point you will lose your data. The only way I know of to keep your data safe is to have at least one copy on another device. I keep multiple copies myself (as I have had backup devices fail when I needed them).
Hi guys,
finally I've got my NAS expanded with a new 8Tb Ironwolf.
Since I have a 2Tb disk I decided to change my last 1Tb on the NAS with it.
But it is formatted in FAT32 and as I do hot swap two partition are shown with red dot in admin page and it seems it can't resync data.
Should I destroy them to start the resync process?
Or should I format disk in other way before inserting it?
The 2 TB drive won't give you more space, for reasons that are a bit hard to explain. The normal rule is that you either need to replace a disk with one of the same size, or replace it with one that is >= the largest installed drive (8 TB in your case).
That rule is a bit of a simplification though - you probably could get more space if you replaced the 1 TB with a 3Tb or a 4 TB, since those are already in the array.
When you insert a formatted disk, you need to select it on the volumes page, and then select format. After that the NAS will add it to the array.
Hi guys,
thanks for the answers.
The problem seems not fixed yet... NAS keeps on working bad... it gets stuck in the same way before the hdd change. Or even worse because yesterday it got stuck when I tried to download the logs... so I don't know anything about it...
I will try to download them again, but any suggestion meanwhile? Should an OS reinstall work fine?
Thanks a lot
77Pale77
Another option is to back up the data, and try a factory default - this will do a fresh factory install, so you'd need to reconfigure the NAS and reload the data from backup.
One benefit is that the factory default would give you the extra 1 TB of space from that 2 TB drive.
If the new 2 TB is still installed, you might want to look at it's SMART statistics.
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