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Forum Discussion
Vol C Lifesupp! during resync
Disk 5 out of 6 in my ReadyNAS Pro Business Edition (model RNDP6350 - firmware 4.2.17) died Saturday. On Sunday I tried to replace disk 5 with a new disk, but got the Vol C Lifesupp! error after resynchronisation for a while. After looking in the Netgear support forums I phoned tech support (case 17190331).
The case was closed when we discovered that I had tried to replace with a disk not on the compatibility list - I can no longer get a disk similar to the other disks which are Seagate ST3500320NS (500 GB). I was able to boot up without disk 5, but now unprotected.
I ordered a new replacement disk which is on the compatibility list, Western Digital RE4 WD5003ABYX, also 500 GB - in fact I ordered 2 new disks, just in case - and I got them today, Tuesday.
But again I got the Vol C Lifesupp! error after some time of resynchronisation. And again I am able to reboot without disk 5. However, both Sunday and today the log says, that ATA error count has increased on disk 4. Is this the reason for the Vol C Lifesupp! error?
What do I do now in order to recover my ReadyNAS Pro?
Do I have to replace both disk 4 and 5? In this case, will I have to rebuild my ReadyNAS from scratch? Timeconsuming, but possible, I suppose. Or is there an easier way to recover?
PS: I have a complete copy of both data and configuration of my ReadyNAS Pro.
The case was closed when we discovered that I had tried to replace with a disk not on the compatibility list - I can no longer get a disk similar to the other disks which are Seagate ST3500320NS (500 GB). I was able to boot up without disk 5, but now unprotected.
I ordered a new replacement disk which is on the compatibility list, Western Digital RE4 WD5003ABYX, also 500 GB - in fact I ordered 2 new disks, just in case - and I got them today, Tuesday.
But again I got the Vol C Lifesupp! error after some time of resynchronisation. And again I am able to reboot without disk 5. However, both Sunday and today the log says, that ATA error count has increased on disk 4. Is this the reason for the Vol C Lifesupp! error?
What do I do now in order to recover my ReadyNAS Pro?
Do I have to replace both disk 4 and 5? In this case, will I have to rebuild my ReadyNAS from scratch? Timeconsuming, but possible, I suppose. Or is there an easier way to recover?
PS: I have a complete copy of both data and configuration of my ReadyNAS Pro.
3 Replies
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- A second disk failing or dead is a likely cause of life support.
It does sound like Disk 4 may be failing
I would suggest you check the health of all disks using manufacturer's diagnostics e.g. SeaTools (for SeaGate disks) - Thanks for the reply.
I am sure that disk 4 has to be replaced. But it is still working. The question is if there is a way of recovering my ReadyNAS without having to do it from scratch? E.g. by keeping disk 4 as long as possible? - Normally you'd seek NetGear tech support's help for this kind of thing (fee could be attached). However as they've denied support I reckon you'll need to determine which disks are bad/failing, then do a factory reset with just the good disks in place and restore data from backup.
If you didn't last factory reset on 4.2.11 or later you'll get native EXT4 with huge file support.
Not to mention 4k sector alignment from 4.2.12 (see http://www.readynas.com/RAIDiator_x86_4_2_12_Notes)
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