How to recover data from an LVM volume?

Question

LVM

The essence of the problem is this: there is a server with two HDDs, each has two partitions. The first partitions of the two disks are merged into raid1, and the second ones into one lvstorage logical volume. One of the drives is dead. Is it possible to recover leftover data with lvstorage?

Answer 1

One of the disks died

Do you already know that everything is very bad with it or do not want to contact data recovery companies?
In a good way, this would be the best option.
Download UFS Explorer and do a full disk scan. I think that without seeing the disk, this is the best advice that can be given.

Answer 2

Вывод данных начат уже в предыдущем файле, и после старта вывода контента Вы уже не можете менять заголовок:
header('Content-Type: text/html; charset=utf-8');

Answer 3

First error - you have already sent the header before, and you are trying to send it again
Second error - you specified the path to the file for include
Third error - due to the fact that the include was not connected, the class was not found