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Thank you so much, Remy. I understand better the LVM.

Mi time is over. I reinstalled Ubuntu Server, lost my data, and reconfigured all again. I wrote every step so I know exactly how to get the old configuration.

I would love to know how to solve this "issue", because it could happen again, but I ...

Maybe my problem is that I can't explain myself as I should because I don't speak English as my first Language, I'm mexican :D

The LV is active, is there, but I can't have access to my data on /home (my LV) because the PV dev/sdd partition table, allocated for LV /home, is corrupted, since fdisk -l ...

I did execute it but it did not repair the filesystem.

I found the backups for the superblocks and I did this:
ubuntu@ubuntu:~$ e2fsck -b 32678 /dev/sdd
e2fsck 1.41.11 (14-Mar-2010)
e2fsck: Device or resource busy while trying to open /dev/sdd
Filesystem mounted or opened exclusively by another ...

Thank you, Remy, for clarifying my concepts.

This the output for sudo e2fsck -n /dev/mapper/grupoprincipal-volumenlogicohome :
e2fsck 1.41.11 (14-Mar-2010)
The filesystem size (according to the superblock) is 98980864 blocks
The physical size of the device is 81257472 blocks
Either the superblock ...

Hi, Remy! Thank you for your prompt response ;)

This the output for sudo fsdisk -luS :
Disk /dev/sda: 8855 cylinders, 255 heads, 63 sectors/track
Units = sectors of 512 bytes, counting from 0

Device Boot Start End #sectors Id System
/dev/sda1 2048 5859327 5857280 82 Linux swap / Solaris
/dev ...

Hi everyone :)

I have a "big" problem -because it has never happened to me something like that-. After a power outage the partition where I mounted /home did not can be mounted. I have a disk partitioned with two lvm, one for /var (40 GB), and the other for /home (30 GB). I added a whole disk (300 ...