Hi Roger,
Yes, seems like it is not supported on my box
grep -i clone /boot/config-5.4.17-2011.7.4.el8uek.x86_64
# CONFIG_DM_CLONE is not set
Seems like this is not supported.
Thanks & Regards,
Uday Kiran
From:
Roger Heflin <rogerheflin@xxxxxxxxx>
Date: Friday, July 8, 2022 at 7:52 AM
To: Uday Jonnala <uday.jonnala@xxxxxxxxxxx>
Cc: dm-devel@xxxxxxxxxx <dm-devel@xxxxxxxxxx>
Subject: Re: Regarding dm-clone on RHEL+OEL
You probably have to inquire with the vendor support who supplied the
kernel, but checking on a UEK kernel I have of that major version I
see this (mine is el7 not el8, but I suspect the both UEK kernels are
basically identical).
grep -i clone /boot/config-5.4.17-2102.203.6.el7uek.x86_64
# CONFIG_DM_CLONE is not set
So it was not configured/compiled into my kernel and likely not yours.
And dm-clone appears to have initially been added in 5.4 from what I
can tell so I have zero clue how stable/functional it was in that
version even if it was enabled.
On Fri, Jul 8, 2022 at 9:38 AM Uday Jonnala <uday.jonnala@xxxxxxxxxxx> wrote:
>
> Hi Team,
>
>
>
> Looking to see if dm-clone is supported in RHEL based OEL (Oracle Enterprise Licence)
>
> 5.4.17-2136.308.9.el8uek.x86_64 : Kernel Version (OEL RHEL 8 based)
>
>
>
> Which RHEL version has dm-clone checkedin ?
>
> We are getting following error on clone
>
> device-mapper: reload ioctl on clone (252:3) failed: Invalid argument
>
>
>
> Thanks & Regards,
>
> Uday Kiran
>
>
>
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