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Problem mounting UFS disk - apparently GEOM error

Filesystems(UFS, EXT2, FAT, NTFS, ZFS), mount points, partitions
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kernel-panik
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Problem mounting UFS disk - apparently GEOM error

#1

Post by kernel-panik » 06 Feb 2014 19:03

I added an additional SATA disk in my server for backups, added the disk normally in the manager, formatted it to UFS, and when I tried to mount it it showed "Operation not Permitted" error in the logs.

After searching for the error I found a post suggesting to do "sysctl kern.geom.debugflags=0x10". After doing that I was able to mount the disk manually, but if I reboot the server the mount will fail again.

Is there any way of fixing this error without messing with kernel variables / sysctl?

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raulfg3
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Re: Problem mounting UFS disk - apparently GEOM error

#2

Post by raulfg3 » 06 Feb 2014 20:26

there are a sysctl.conf tab in webGUI since 9.1.0.1.847 and newer version to add sysctl kern.geom.debugflags=0x10 from webGUI and makes changes permanent in enbeded install ( and in full install too)
12.0.0.4 (revision 6766)+OBI on SUPERMICRO X8SIL-F 8GB of ECC RAM, 12x3TB disk in 3 vdev in RaidZ1 = 32TB Raw size only 22TB usable

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kernel-panik
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Re: Problem mounting UFS disk - apparently GEOM error

#3

Post by kernel-panik » 07 Feb 2014 00:32

Thanks Raúl for your answer,

I understand I can modify the sysctl so the system will let me mount the disk in the future, but I was wondering if there was anything I can do to fix the underlying problem (possible geometry error).

First, because I will prefer not to modify that variable (it is there to protect from something) and also because I dont want to have problems mounting that disk in another machine (i.e. a Linux box with UFS support) in case I need to recover data.

I want to use the sysctl modification only as last resort.

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Veloce
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Re: Problem mounting UFS disk - apparently GEOM error

#4

Post by Veloce » 18 Mar 2018 02:58

Same thing happened to me, somehow the boot sector of my 16Gb. Apacer SSD got corrupted, even a second one I keep for backup sake crashed.
After expirencing the same error as eiger3970 I tried to format them both as FAT32, hoping they would be fit again to be able to install N4F again.
With the help of "Universal USB Installer" utility:
http://www.pendrivelinux.com/universal- ... -as-1-2-3/
I could download the mintlinux ISO and install it on an USB drive to install N4F again to one of the Apacers.

After the initial setup I restored my backup of the config, and started restoring OBI.
With help of the "tools" -> "command" option, find below.

Install OBI:
fetch https://raw.github.com/crestAT/nas4free ... er/OBI.php && mkdir -p ext/OBI && echo '<a href="OBI.php">OneButtonInstaller</a>' > ext/OBI/menu.inc && echo -e "\nDONE"


Manual installation of Plex when OBI fails:
fetch https://raw.githubusercontent.com/JRGTH ... nstall.php && mkdir -p ext/plex-install && echo '<a href="plex-install.php">Plex Extension Installer</a>' > ext/plex-install/menu.inc && echo -e "\n=> Done!"
11.1.0.4 - Atomics (revision 5313) + OBI (Full version)
Lian Li PC-Q25B
x64-full on AMD A10-5745M APU(8Gb RAM)
HP Apacer 16GB (Boot)
5*3TB WD-RED

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