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Readynas Ultra 6 (RNDU6000) After Memory Test and rebooted Error " No Disks Detected"
Hopefully this time it's posted on the Readynas community webstie.I have an Readynas Ullra 6 (RDNU6000) with 6x3TB installed. RAIDiator ver 4.2.31. Flex-RAID level-0. After viewing post from Mook1 "...
thekidbass wrote:
When this Ultra wipe out all the media I had in it (18TB), I already had it all backed up on raw HDs stored in my closet.
It is of course best practice to have a backup of the data even with X-RAID, since RAID redundancy isn't enough to keep it safe.
When you do have backup(s), the downsides of RAID-0 are just an inconvenience, since you can recreate the volume and restore the data from the backup if it fails. Time-consuming, but not a disaster.
Thanks for the info. The only reason I didn't upgrade the drives in this Ultra 6 to larger ones is that I wanted to use the drives that are still functional which are only 3TB. At the time I purchased this NAS, I don't think WD were making RED NAS drives larger than that. If the drives eventually do fail again, then I'll go the way of your recmmendation of using larger drives and use X-RAID2 for redundancy. When this Ultra wipe out all the media I had in it (18TB), I already had it all backed up on raw HDs stored in my closet. LOL
Fortunately I also have the Netgear Readynas 316. When I purchased it, I used 6x4TB drives and maxed it out with the two expansion cabinets (EDA500s) for a total of 58.75TB. I was able to restore the 18TBs of media from the Ultra 6 to the Readynas 316. Now I have another 18TB free space in the upgraded Ultra 6, running OS6 ver 6.10.8. Thanks to your expertise in helping me revive the Ultra 6. Luckily I didn't trash it when I had the problem with the drives not being recognized after the memory upgrade.
thekidbass wrote:
When this Ultra wipe out all the media I had in it (18TB), I already had it all backed up on raw HDs stored in my closet.
It is of course best practice to have a backup of the data even with X-RAID, since RAID redundancy isn't enough to keep it safe.
When you do have backup(s), the downsides of RAID-0 are just an inconvenience, since you can recreate the volume and restore the data from the backup if it fails. Time-consuming, but not a disaster.
Yes, definitely. The 18TBs of media I had on the Ultra 6 took me a week and a half to restore onto the Readynas 316.
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