cannot decrypt pool / all partition tables seem wiped
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So, I'm a little late coming back to this party. But a huge shout-out to @Metis IT for solving my problem. As it turns out the data is all in place but both the primary and backup partitions were fritzed. Now LUCKILY he had figured out that if you maintain the standard FreeNAS format the system reserves the first 2 gb for SWAP. using THIS [Wikipedia Link|https://en.wikipedia.org/wiki/GUID_Partition_Table] we know that the partition table ends at LBA 33 in both directions - it was simply a matter of counting backwards until the correct end sector was found and reattaching it to the geli key. all my data is back!
OK. contact me at volkerb AT fantasymail.de and send me your mobile number, we can chat and /or talk using telegram?
@Metis IT I have the keys backed up. Fortunately. Email. GChat. Telegram whichever works.
i hope you still have the exported /downloaded encryption keys from your encrypted pool? these are the counter parts needed in conjunction with the GELI metadata header on disk to decrypt data. they were also saved on the old install medium. if the the keys are lost there is imho no point to try anything further.
when would be a good time for you? any preferred way to contact you?
@Metis IT unfortunately the original Installation no longer exists as the USB stick died. I stopped using it since and intended to create a new one with a pair of drives this time. I did use standard partitions. Also I'm mildly educated in this but honestly not enough to clearly understand what you are saying. So I would appreciate the chat. I understand and apologize that this will eat into your time.
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I am running two pools (8-disk RAID-Z2, a single USB backup disk) with encryption. A few days ago I updated from 11.3u1 to 11.3u2 and motherboard BIOS and IPMI (SM X11SSH-F) as well. I rebooted the system since then several times and decrypted my pools each time sucessfully.
Planning to test/add L2ARC i shut down the system and added a USB3/SSD device and after booting, i cannot decrypt my pools anymore:
I had navigated to Storage, Pools, Add (wrong place to add L2ARC, i know) where i saw my disks all listed as available - see screenshot. I didn't do anything there (Create button was greyed out all time)
I exported the backup pool and tried to import it, then the system said there were no pools to be imported.
I switched to the console and looked at gpart list and inside /dev which only shows partiiton information for the used boot pool. All 8+1 data disks are only listed as the device itself without partition information - if i am not mistaken.
Contact me, you can take a look at the system yourself.
The following information i saved years ago after creating the pools, how it looked like. Exemplary for ada6.
check
zpool status
pool: vol1
state: ONLINE
status: One or more devices is currently being resilvered. The pool will
continue to function, possibly in a degraded state.
action: Wait for the resilver to complete.
scan: resilver in progress since Sat Aug 18 16:44:30 2018
2.38G scanned at 203M/s, 2.23G issued at 190M/s, 8.88T total
271M resilvered, 0.02% done, 0 days 13:35:04 to go
config:
NAME STATE READ WRITE CKSUM
vol1 ONLINE 0 0 0
raidz2-0 ONLINE 0 0 0
gptid/0a1b50e9-55f9-11e8-acfb-ac1f6b641a32.eli ONLINE 0 0 0
gptid/0e9668c5-55f9-11e8-acfb-ac1f6b641a32.eli ONLINE 0 0 0
gptid/132b9fd9-55f9-11e8-acfb-ac1f6b641a32.eli ONLINE 0 0 0
gptid/17d85486-55f9-11e8-acfb-ac1f6b641a32.eli ONLINE 0 0 0
gptid/ab6c8d2b-a189-11e8-a764-ac1f6b641a32.eli ONLINE 0 0 0
gptid/21226aa7-55f9-11e8-acfb-ac1f6b641a32.eli ONLINE 0 0 0
gptid/25b8f273-55f9-11e8-acfb-ac1f6b641a32.eli ONLINE 0 0 0 (resilvering)
gptid/6e254760-5877-11e8-a7db-ac1f6b641a32.eli ONLINE 0 0 0
gpart list ada6
Geom name: ada6
modified: false
state: OK
fwheads: 16
fwsectors: 63
last: 5860533127
first: 40
entries: 152
scheme: GPT
Providers:
1. Name: ada6p1
Mediasize: 2147483648 (2.0G)
Sectorsize: 512
Stripesize: 4096
Stripeoffset: 0
Mode: r1w1e1
rawuuid: 259a8fee-55f9-11e8-acfb-ac1f6b641a32
rawtype: 516e7cb5-6ecf-11d6-8ff8-00022d09712b
label: (null)
length: 2147483648
offset: 65536
type: freebsd-swap
index: 1
end: 4194431
start: 128
2. Name: ada6p2
Mediasize: 2998445408256 (2.7T)
Sectorsize: 512
Stripesize: 4096
Stripeoffset: 0
Mode: r0w0e0
________________________________________________________________
rawuuid: 25b8f273-55f9-11e8-acfb-ac1f6b641a32
________________________________________________________________
rawtype: 516e7cba-6ecf-11d6-8ff8-00022d09712b
label: (null)
length: 2998445408256
offset: 2147549184
type: freebsd-zfs
index: 2
end: 5860533119
start: 4194432
Consumers:
1. Name: ada6
Mediasize: 3000592982016 (2.7T)
Sectorsize: 512
Stripesize: 4096
Stripeoffset: 0
Mode: r1w1e2