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0
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1answer
101 views

How can I grow an ext4 filesystem inside a dm-crypt/LVM volume?

I have a disk with this format: sdc 8:32 0 1,8T 0 disk └─sdc1 8:33 0 1,8T 0 part ├─vg-lv1 (dm-0) 254:0 0 900G 0 lvm ...
1
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2answers
448 views

How do you repair a Ubuntu 14.04 RAID-LVM-DM-CRYPT-LUKS Physical to Virtual system that won't boot?

I can't get a Ubuntu 14.04 Virtual server to boot correctly. It's recently been cloned "dd if=/dev/sda of=vmimage" The Physical has a RAID1-LVM-DMCRYPT-LUKS configuration, The boot sequence aborts and ...
3
votes
1answer
197 views

ZFS on LUKS not recognized at boot

I've got 6 physical drives in RAID-Z2, which I intend to one-by-one convert to dm-crypt devices. My process was roughly: dd if=/dev/zero of=/dev/sdf Create keyfile /etc/crypttab.d/crypt-1.key ...
0
votes
1answer
59 views

ID_FS_LABEL empty for luks volume

I have an LUKS encrypted partition on a disk. I would like to label it and have it available at /dev/disk/by-label. The value used is ID_FS_LABEL to create the link in /dev/disk/by-label. That value ...
0
votes
1answer
136 views

dmcrypt container on nfs

I'm setting up an encrypted file storage on a remote server and I want to be able to use it transparently on my system. I want to be able to de-/encrypt them locally so that the server hosting the ...
1
vote
1answer
220 views

Find out which loop device is behind a dev mapper blcok device

I'm using cryptsetup with loopback devices. I'm looking for a way, given a device mapping, to identify which loopback device is used by this device. i.e. get /dev/loop1 as a result of an operation on ...
0
votes
1answer
142 views

Anybody experiencing full system lockups with LUKS?

I've recently setup a couple of new servers. This time I'm encrypting most of my partitions using dmcrypt+LUKS. However these new servers crash very often, every few days. Full lockups, kernel does ...
0
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1answer
473 views

how to mount a luks-encrypted file?

I had a good-working system. Cent OS 6. But after I made a reboot luks-partition has been unmounted. And our system administrator have a weekends now :( Please help me to mount a luks partition ...
2
votes
1answer
604 views

How to non-interactively supply a passphrase to 'dmcrypt luksFormat'?

I'm writing a script which automatically sets up testing environment virtual machines. This script should automatically format a dmcrypt+LUKS partition for me, with a certain passphrase. Because this ...