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Forum Discussion
firerain
Mar 19, 2017Tutor
Backup & restore iscsi_lun_backing_store on RNDU2000
Hello guys, I need to wipe all data from my drives + do a factory reset and I'm wondering if I can just copy the iscsi_lun_backing_store file and restore it after wiping. Do I have to configure ...
- Apr 04, 2017
I finally got some time to make it work.
Regarding main topic, just for the record: like kohdee said, exact LUN config is needed. Then it's enough to just copy iscsi_lun_backing_store and .serial_number. After this operation i've noticed that the free space diminished twice the size of my LUN. Unassigning the LUN and assigning it back to a group did the trick.
As for the other data, it wasn't so straightforward. In my case, despite the fact my backed up readynasd database file was quite large, for some reason, selecting data from any of its tables returned zero rows.
Copying my old ._share/ and /etc/frontview/*/Shares.conf did not work either. They were overwritten by defaults on each reboot - even after inserting proper data into db.
I wasn't up for creating btrfs subvolumes (thx kohdee for the info, I wouldn't come up with that) manually, so I had to create all the shares from frontview and then do update/insert on db.
kohdee
Mar 22, 2017NETGEAR Expert
Oh, I see. You're also inquiring about copying over share configs.
On boot, we mount any applicable data volume then we scan /*/._share/ and look for the configs. Then the configs are added to the middleware database and distributed to their appropriate places (like SMB config). Keep in mind that "shares" are actually btrfs subvolumes , so if you're copying data through the backend, don't just create a folder in the main btrfs volume.
Apps are actually stored in /apps or /data/.apps, and their configs are all stored there. The settings should be the same if you copy the whole .apps folder over between units.
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