Re: [linux-lvm] Problem with partially activate logical volume

2022-07-27 Thread Zdenek Kabelac
Dne 25. 07. 22 v 16:48 Ken Bass napsal(a): (fwiw: I am new to this list, so please bear with me.) Background: I have a very large (20TB) logical volume consisting of 3 drives. One of those drives unexpectedloy died (isn't that always the case :-)). The drive that failed happened to be the

Re: [linux-lvm] Problem with partially activate logical volume

2022-07-27 Thread Roger Heflin
I don't believe that is going to work. His issue is that the filesystem is refusing to work because of the missing data. man debugfs It will let you manually look at the metadata and structures of the ext2/3/4 fs. You will likely need to use the "-c" option. It will be very manual and you

Re: [linux-lvm] Where are the data blocks of an LV?

2022-07-27 Thread Roger James
See https://talk.manageiq.org/t/lvm-internals-structures-disk-layout/1328 On 26 July 2022 09:16:31 Marcin Owsiany wrote: Hello, I know that it is possible to find where a given logical volume's extents start on a PVs thanks to the information printed by lvdisplay --maps. I was also able to

Re: [linux-lvm] Problem with partially activate logical volume

2022-07-27 Thread Roger James
Try https://www.linuxsysadmins.com/recover-a-deleted-physical-volume/?amp On 26 July 2022 09:16:32 Ken Bass wrote: (fwiw: I am new to this list, so please bear with me.) Background: I have a very large (20TB) logical volume consisting of 3 drives. One of those drives unexpectedloy died