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Forum Discussion
Readynas Ultra 4 Plus no valid volume exists #25703630
Help! I had a power failure today, and now I am getting a "no valid volume exists" and cannot access any of the shares on the NAS, although they are listed in Finder on my Mac. However, I cannot acc...
Moto wrote:
Thanks for the response. But isn't that the whole purpose of a RAID array . . . to keep your data backed up if there is a failure of a drive?
As it says in the Ultra user manual:
Note: X-RAID2 does not replace backups. See the article, Preventing Catastrophic Data Loss at http://www.readynas.com/?p=3153.
X-RAID2 keeps your data available through routine disk replacements and also when you are expanding the storage capacity. But it is not enough to keep your data safe.
I do hope you will get your data back without too much cost. I believe the Netgear recovery service is normally done remotely, though I am not certain if they always can do it that way.
Also, I suggest getting a UPS for the NAS.
Thanks, So I need a backup server for my server . . . got it. :( Data recovery is apparently done remotely for $200, but if I get all the data back, I'm happy, I guess. L3 says that the four disk drives have lost all of their partitiions, which must now be recreated, and need data recovery to do that. No one has yet explained to me what could cause 4 disk drives to lose all of their partitions -- a bit of info that I would really like to know, so that I can make sure that I avoid it in the future! So if I get my data back, which is apparently likely, I should line up some cloud storage to back all of the NAS data to every night or whatever?
Its not that uncommon to lose data when the power fails, which is why I suggested the UPS. That allows the NAS to do a normal shutdown if the power failure lasts long enough to drain the UPS battery.
There are several ways to approach backup
-use USB drives
-get a second NAS. For instance an RN104, and back up to that. Perhaps use jbod on the backup to reduce the cost.
-back up to dedicated hard drives inside a desktop PC
-use a cloud backup that supports NAS.
I've used the last three (currently backing up my pro-6 daily to smaller NAS, and using CrashPlan for disaster recovery).
After signing up for the data recovery, I have heard nothing in over 24 hours. Is there a trick to actually speaking with someone to find out what is going on? I'm not sure what exactly they are doing but I think that they are creating new partitions remotely.
Thanks for your quick response . . . it was escalated to L3 on Thursday. L3 yesterday morning (Friday) was allegedly going to get back to me by last night. Nothing . . . I know this isn't a "bitch about tech support" thread, so I'll try to restrain myself, but i've got a trial starting Tuesday and I need to get the NAS back up and running for it! But you guys are great! It's nice to know that these things are monitored! Thanks. If you have access to my case files, perhaps you can see what is going on . . .
How did you solve it?
L3 support rebuilt the volumes so that I could access the volumes on the NAS. I then bought an external USB drive and backed up all of my data from the NAS. I have to say that Netgear Tech Support was excellent. Although the L3 assigned to my case was good, it was impossible to resolve anything with him because he was based in China +13 hours from me. Thus, "reboot the NAS" would take 24 hrs or so from whn I woke up and saw the message, to when I found out what I had to do next. I asked to be assigned an L3 in the USA so that I could at least be near the same time zone, and I received a call from an L3 in California who walked me through all of the remaining issues after we acessed the volumes, to make sur eeverything was running correctly. All in all, resolution took a while, but $275 was a hell of a lot better than what the local "data recovery" companies wanted to charge ($3000+)!
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