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[Bug 209110] iSCSI root device name should be dynamic



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https://bugzilla.redhat.com/show_bug.cgi?id=209110





--- Comment #14 from Hans de Goede <hdegoede redhat com>  2008-10-28 04:12:08 EDT ---
(In reply to comment #13)
> (In reply to comment #12)
> 
> > What you are seeing here are 2 different problems:
> > 
> > 1) The device name of iscsi disks is not stable
> 
> Nope, that's not what I'm saying. My point is that the target name *is* stable
> and mkinitrd should be able to map the target name to a device name and map
> that device.
> 
> > Solution: use a label or uuid for /
> 
> Yep - that's one way of doing it, but "mount by target name" is a valid feature
> request too IMHO.
> 

Agreed, but that indeed really is a *feature request*. To make this possible in
some sane manner we need a way to ask iscsiadm which device node / number the
iscsi subsystem has gotten / given to a certain target. Even better would be a
feature where iscsiadm on login would print the device name to stdout once the
login completes.

Actually having iscsiadm print the devicename it has gotten for a disk after
login would be absolutely great to have for anaconda too. Currently we're going
through much pain in anaconda to find a disk after we've logged in to the iscsi
target, and even when we've got a disk we do not know which disks corresponds
to which iscsi target.

I like the idea of iscsiadm login printing the device node for the disk after
login so much I'll file an RFE against iscsi-initiator-utils right away.

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