Dne 28. 09. 23 v 14:23 Jean-Marc Saffroy napsal(a):
On Wed, Sep 27, 2023 at 5:41 PM Zdenek Kabelac wrote:
What is the role of "dmsetup suspend"? I am having trouble finding
decent documentation about its purpose and how it's related to
snapshots. I did not need it in my experiments, so I am
What an awful idea to encrypt data on an hardware accelerator
SSD is everything but an affordable storage for keeping safely your data
and as soon some cells will fail , and with LVM , the first ones will be where
LVM tables are sitting (and being heavily modified) .. you'll loose ALL the
On Wed, Sep 27, 2023 at 5:41 PM Zdenek Kabelac wrote:
>
> > What is the role of "dmsetup suspend"? I am having trouble finding
> > decent documentation about its purpose and how it's related to
> > snapshots. I did not need it in my experiments, so I am curious.
> >
>
>
> Suspend is freezing
Wow, that was very harsh AND very wrong.
All storage devices die eventually, that's why we have backups (and
RAID, off-site replication, etc). HDDs and SSDs are the same in this
respect.
SSDs do NOT die just from repeated writes to the same sector: this can
happen with raw flash cells, but SSDs
Dne 27. 09. 23 v 15:45 Jean-Marc Saffroy napsal(a):
On Wed, Sep 27, 2023 at 11:58 AM Zdenek Kabelac
wrote:
Dne 27. 09. 23 v 1:10 Jean-Marc Saffroy napsal(a):
Hi,
On Tue, Sep 26, 2023 at 10:00 PM Zdenek Kabelac
wrote:
Yep typical usage is to encrypt underlying PV - and then create LVs and
On Wed, Sep 27, 2023 at 11:58 AM Zdenek Kabelac
wrote:
>
> Dne 27. 09. 23 v 1:10 Jean-Marc Saffroy napsal(a):
> > Hi,
> >
> > On Tue, Sep 26, 2023 at 10:00 PM Zdenek Kabelac
> > wrote:
> >> Yep typical usage is to encrypt underlying PV - and then create LVs and its
> >> snapshots on encrypted
Dne 27. 09. 23 v 1:10 Jean-Marc Saffroy napsal(a):
Hi,
On Tue, Sep 26, 2023 at 10:00 PM Zdenek Kabelac
wrote:
Yep typical usage is to encrypt underlying PV - and then create LVs and its
snapshots on encrypted device.
Sure, I'd do that in other circumstances.
But in my case it would just be
What about encrypting the physical volumes, and creating the volume groups
and logical volumes on top of it?
Regards
Harri
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On Wed, Sep 27, 2023 at 01:10:10AM +0200, Jean-Marc Saffroy wrote:
> Hi,
>
> On Tue, Sep 26, 2023 at 10:00 PM Zdenek Kabelac
> wrote:
> > Yep typical usage is to encrypt underlying PV - and then create LVs and its
> > snapshots on encrypted device.
>
> Sure, I'd do that in other circumstances.
On Wed, 27 Sep 2023, Jean-Marc Saffroy wrote:
So I prefer to manage available raw (un-encrypted) space with LVM.
Now, I also need to do backups of /home, and that's why I want
snapshots. But that first layer of LVM would only show a snapshot of
an encrypted volume, and the backup job shouldn't
Hi,
On Tue, Sep 26, 2023 at 10:00 PM Zdenek Kabelac
wrote:
> Yep typical usage is to encrypt underlying PV - and then create LVs and its
> snapshots on encrypted device.
Sure, I'd do that in other circumstances.
But in my case it would just be a waste: I am replacing several disks
on a desktop
Dne 25. 09. 23 v 0:09 Jean-Marc Saffroy napsal(a):
Hello LVM experts,
I am trying to create a volume with the following properties:
- the volume can be resized
- the volume is encrypted
- the volume can be snapshotted (for online backups)
So I thought I'd create the volume with LVM, encrypt it
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