On 21.10.22 14:28, Kui Liu wrote:
> > Ok - for the user space there are two options:
> > 1. add an argument to enable at creation time
> > 2. command standby_enable /if using the enable it is
possible to
> > implement a disable command too/.
> >
> > I prefer the second approach but let's hear other opinions
too.
> > And yes we can possibly do both but is there a use case ?
> >
> > [LIU]: Since the static key is a global option, I also think the
second approach is better.
> > In case of nodes with vStorage + ploop + iSCSI setup, we just
need to enable the static
> > key early in system init or iSCSI service init. I don't think it
is necessary to implement both.
>
> You are right. It will need at least one ploop device created to
issue a
> device mapper command to enable standby. Would a module parameter
work?
>
> [LIU] Yes, I think it is better to make the static key a module
parameter.
This rised a question - how and who will pass the module parameter when
required ? How we will handle the existin users ? What do you think ?
[LIU]: Like add a conf file ploop.conf in /etc/modprobe.d or lib/modeprobe.d?
This conf file can be shipped with the release image, or installed later. Are
you referring to VZ7 as existing users? I saw you also made the changes to VZ7,
but I'm not sure whether it is necessary to backport these changes to VZ7.
Yes, VZ7 users - there are issues related to it so trying to fix them.
the modprobe.d would do but do you have a package that can install the
conf tied to the iSCSI target, so it gets installed only if the iSCSI is
used ?
--
Regards,
Alexander Atanasov
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