Remove inactive volumes to use the disk. Disk #1,2,3,4.

Question

Hey guys,&nbsp;&nbsp;Screen shots say a thousand words.&nbsp;&nbsp;&nbsp;It seems that the array is damaged and cannot be resynced on its own.&nbsp;&nbsp;```[22/04/03 01:00:45 AEDT] warning:volume:LOGMSG_HEALTH_VOLUME_WARN Volume data is Degraded.[22/04/03 05:39:46 AEST] warning:volume:LOGMSG_HEALTH_VOLUME_WARN Volume data is Degraded.[22/04/03 09:04:12 AEST] notice:system:LOGMSG_ANTIVIRUS_DEF_UPDATE Antivirus scanner definition file was updated to 62.26500.[22/04/04 01:00:50 AEST] warning:volume:LOGMSG_HEALTH_VOLUME_WARN Volume data is Degraded.[22/04/04 09:04:13 AEST] notice:system:LOGMSG_ANTIVIRUS_DEF_UPDATE Antivirus scanner definition file was updated to 62.26501.[22/04/05 01:41:54 AEST] warning:volume:LOGMSG_HEALTH_VOLUME_WARN Volume data is Degraded.[22/04/05 09:04:12 AEST] notice:system:LOGMSG_ANTIVIRUS_DEF_UPDATE Antivirus scanner definition file was updated to 62.26502.[22/04/05 15:26:32 AEST] notice:volume:LOGMSG_DEFRAGSTART_VOLUME Defragmentation started for volume data.[22/04/05 15:38:31 AEST] notice:volume:LOGMSG_DEFRAGEND_VOLUME Defragmentation complete for volume data.[22/04/05 15:38:42 AEST] notice:volume:LOGMSG_HEALTH_VOLUME Volume data health changed from Degraded to Inactive.[22/04/05 15:38:42 AEST] err:disk:LOGMSG_ZFS_DISK_STATUS_CHANGED Disk in channel 2 (Internal) changed state from ONLINE to FAILED.[22/04/05 15:45:53 AEST] warning:disk:LOGMSG_DELETE_DISK Disk Model:WDC WD60EFRX-68L0BN1 Serial:WD-WX61DC7814PU was removed from Channel 2 of the head unit.[22/04/05 15:46:18 AEST] notice:disk:LOGMSG_ADD_DISK Disk Model:WDC WD60EFRX-68L0BN1 Serial:WD-WX61DC7814PU was added to Channel 2 of the head unit.[22/04/05 15:47:54 AEST] notice:disk:LOGMSG_ZFS_DISK_STATUS_CHANGED Disk in channel 2 (Internal) changed state from RESYNC to ONLINE.[22/04/05 15:55:02 AEST] notice:system:LOGMSG_SYSTEM_REBOOT The system is rebooting.[22/04/05 15:58:40 AEST] info:system:LOGMSG_START_READYNASD ReadyNASOS background service started.[22/04/05 16:33:31 AEST] warning:disk:LOGMSG_DELETE_DISK Disk Model:WDC WD60EFRX-68L0BN1 Serial:WD-WX61DC7814PU was removed from Channel 2 of the head unit.[22/04/05 16:33:51 AEST] notice:system:LOGMSG_SYSTEM_REBOOT The system is rebooting.[22/04/05 16:58:31 AEST] info:system:LOGMSG_READYNASD_ABORTED_NOINFO ReadyNASOS service or process was restarted.[22/04/05 16:58:55 AEST] info:system:LOGMSG_START_READYNASD ReadyNASOS background service started.[22/04/05 17:00:13 AEST] notice:disk:LOGMSG_ZFS_DISK_STATUS_CHANGED Disk in channel 2 (Internal) changed state from RESYNC to ONLINE.```&nbsp;Volume was degraded.But showed all discs online.&nbsp;Started going though the tests under volume starting with defragdisk 2 crashed, reseated the diskcame from resync to online very quicklyrestarted the NASbroken&nbsp;&nbsp;I'm pretty sure I can fix this on my own if someone can point me in the right direction? I'm assuming I need to force a resync over SSH, but not sure how to kick that off?&nbsp;Thanks guys&nbsp;

StephenB · Answer

1liminal1&nbsp;wrote:
Maybe they give people that are "superusers" 5% purchases as a thankyou...&nbsp;

No discounts on purchases. No incentives at all.
&nbsp;
1liminal1&nbsp;wrote:
Or maybe I should stop wearing my tinfoil hat. I don't know lol&nbsp;

Please do. If you don't have some level of trust, there's no point in my engaging with you.
&nbsp;
1liminal1&nbsp;wrote:
&nbsp;
warning:disk:LOGMSG_SMART_ATA_ERR_30DAYS_WARN Detected increasing ATA error count: [24021] on disk 1Which I think is a report from the disk itself from what im reading, An indicator, not a failure.&nbsp;
&nbsp;

It is an error, meaning that there was an error detected when transmitting data over the SATA bus.&nbsp; It doesn't necessarily mean the disk is failing, as it might be the ReadyNAS (or computer), or a connector/cabling issue. But definitely an error.
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1liminal1&nbsp;wrote:
But the volume is still degraded even though all the disks show green.&nbsp;

&nbsp;
Now it appears to be disk one, status log is showing me this;&nbsp;
&nbsp;
=== START OF READ SMART DATA SECTION ===SMART overall-health self-assessment test result: FAILED!Drive failure expected in less than 24 hours. SAVE ALL DATA.See vendor-specific Attribute list for failed Attributes.
&nbsp;
Its clearly done for.
&nbsp;
But why is the volume degraded? Yet the drive still showing as green?&nbsp;

I've seen several situations where is about to fail (or has failed), but the GUI still shows it as healthy.&nbsp; I don't know what the admin UI is looking at, but I don't think it's looking at enough.
&nbsp;
I'd trust your ssh info on this - the volume is degraded because linux has detected that disk 1 has failed.
&nbsp;
Lost writes (perhaps related to the ATA errors resulting in missed commands) is one possible cause of your original inactive volume problem.&nbsp; RAID (mdadm) puts transaction counters on each disk, and if they are significantly off the volume won't mount.

StephenB · Answer

Start by powering down, and removing disk 2.&nbsp; Then reboot the NAS read-only using the boot menu and see if your data is back (with the volume degraded).&nbsp;&nbsp;
&nbsp;
Instructions for the boot menu are on page 74-75 here:&nbsp;https://www.downloads.netgear.com/files/GDC/READYNAS-100/ReadyNAS_%20OS6_Desktop_HM_EN.pdf
&nbsp;
If that fails I'd contact paid Netgear support.&nbsp; I believe you need ProSupport, not gearhead.
&nbsp;
If it works, post back and let us know.

1liminal1 · Answer

Thanks mate,&nbsp;&nbsp;I really appreciate that.&nbsp;&nbsp;Im really not interested in helping the CEO of Netgear buy another yachtIf you could help me out with the name of the split array in the above screen shot ill see if I can find something on my own 🙂&nbsp;Thanks for letting me know this much though, Im sure Netgear has incentives in place for pushing people toward paid support, Im seeing a lot of that in the forums. So I get it&nbsp;&nbsp;&nbsp;

StephenB · Answer

1liminal1&nbsp;wrote:
Im sure Netgear has incentives in place for pushing people toward paid support, Im seeing a lot of that in the forums. So I get it&nbsp;
&nbsp;

This is a user forum. I don't work for Netgear, and I receive no compensation from them. No incentives to steer people to paid support either.
&nbsp;
Did you try the first suggestion I gave you?
&nbsp;
There are several possible causes that can lead to an unmountable volume, and it is really difficult to sort out the cause (and therefore the right intervention) in the forum.&nbsp; If you don't already have the needed skills with linux, there is a big risk that your attempts to resolve it on your own will make recovery of the data more difficult or impossible.&nbsp;
&nbsp;
I don't want to be in a position where someone trying to follow my advice ends up losing their data. Therefore I always recommend paid support for this. They can access your NAS remotely, trouble shoot the problem, and if needed offer a data recovery contract.&nbsp;
&nbsp;
If you have a backup of the NAS, you can of course do a factory default, rebuild it, and restore the data from backup.
&nbsp;
You could also connect all the disks to a Windows PC, and use RAID recovery software that supports BTRFS.&nbsp; ReclaiMe is one package that several users have used with success.
&nbsp;
&nbsp;

1liminal1 · Answer

Thanks mate,&nbsp;&nbsp;Appreciate it, I see a lot of it in the forums here, I wouldn't trust corporations as far as I could throw them. Maybe they give people that are "superusers" 5% purchases as a thankyou... Maybe you don't even notices that you're being incentivised to lead people a certain way... Or maybe I should stop wearing my tinfoil hat. I don't know lol&nbsp;Anyway, I do have Linux skills, I'm no expert, but generally enough to fix things. I was more asking for shortcuts on Netgear specific things&nbsp;The SSH service wouldn't start and you cant do much from the GUI so I've lost everything anyway in a reformat.&nbsp;&nbsp;Got SSH running after that and have the logs worked out.&nbsp;But the volume is still degraded even though all the disks show green.&nbsp;&nbsp;Now it appears to be disk one, status log is showing me this;&nbsp;&nbsp;warning:disk:LOGMSG_SMART_ATA_ERR_30DAYS_WARN Detected increasing ATA error count: [24021] on disk 1Which I think is a report from the disk itself from what im reading, An indicator, not a failure.&nbsp;But the system log is showing me this;&nbsp;FailSpare event detected on md device /dev/md127, component device /dev/sde3sde is disk 1, md127 is the RAID volume&nbsp;If I follow that to the Kernel&nbsp; log,&nbsp;ata1.00: failed command: WRITE FPDMA QUEUED&nbsp;Confirmed that ata1 is disk 1&nbsp;which leads to&nbsp;smartctl --all /dev/sde&nbsp;&nbsp;to check the disk,&nbsp;&nbsp;=== START OF READ SMART DATA SECTION ===SMART overall-health self-assessment test result: FAILED!Drive failure expected in less than 24 hours. SAVE ALL DATA.See vendor-specific Attribute list for failed Attributes.&nbsp;Its clearly done for.&nbsp;But why is the volume degraded? Yet the drive still showing as green?&nbsp;Thank I cant work out 😞&nbsp;&nbsp;&nbsp;&nbsp;

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Remove inactive volumes to use the disk. Disk #1,2,3,4.

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