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Date:      Tue, 18 Dec 2018 13:52:11 +0000
From:      bugzilla-noreply@freebsd.org
To:        bugs@FreeBSD.org
Subject:   [Bug 234134] Increase VM_MAX_NAMELEN value
Message-ID:  <bug-234134-227@https.bugs.freebsd.org/bugzilla/>

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D234134

            Bug ID: 234134
           Summary: Increase VM_MAX_NAMELEN value
           Product: Base System
           Version: 11.2-STABLE
          Hardware: amd64
                OS: Any
            Status: New
          Severity: Affects Some People
          Priority: ---
         Component: kern
          Assignee: bugs@FreeBSD.org
          Reporter: kwiat3k@panic.pl

Currently VM_MAX_NAMELEN is set to 32 and thus the maximum length of virtual
machine is 31 characters.
We=E2=80=99re building product that uses bhyve to run virtual machines and =
we wanted to
use UUIDs as names for VMs.
UUID with hyphens has 36 characters and without it has 32 characters. Can t=
his
limit be increased to 33 and=20
ideally to 37 or more characters?
For comparison qemu-kvm+libvirt allow for virtual machines with names that =
are
over 240 chars.

I've tested hypervisor with VM_MAX_NAMELEN to 64 on stable/12 branch and di=
dn't
experience any issue.

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