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authorChristopher Baines <mail@cbaines.net>2017-09-28 18:57:09 +0100
committerChristopher Baines <mail@cbaines.net>2017-10-04 07:16:40 +0100
commit0c75a4de497991912af0e4d252b90c283e162e5d (patch)
tree9f0be0da48eff4f0d7dfbb4974f07041abc858e1 /gnu/system
parentd0c8e5249dbf7d0c8b0faa8c39b3bf7effc444b7 (diff)
downloadguix-0c75a4de497991912af0e4d252b90c283e162e5d.tar.gz
vm: Add a minimum root size.
* gnu/system/vm.scm (qemu-image): When guessing the root-size, use a lower
  bound of 20 MiB, otherwise the root file system size is sometimes 0 MiB in
  size.
Diffstat (limited to 'gnu/system')
-rw-r--r--gnu/system/vm.scm9
1 files changed, 6 insertions, 3 deletions
diff --git a/gnu/system/vm.scm b/gnu/system/vm.scm
index 78143e4f7a..d340a8563f 100644
--- a/gnu/system/vm.scm
+++ b/gnu/system/vm.scm
@@ -304,9 +304,12 @@ the image."
                                #:register-closures? #$register-closures?
                                #:system-directory #$os-drv))
                   (root-size  #$(if (eq? 'guess disk-image-size)
-                                    #~(estimated-partition-size
-                                       (map (cut string-append "/xchg/" <>)
-                                            graphs))
+                                    #~(max
+                                       ;; Minimum 20 MiB root size
+                                       (* 20 (expt 2 20))
+                                       (estimated-partition-size
+                                        (map (cut string-append "/xchg/" <>)
+                                             graphs)))
                                     (- disk-image-size
                                        (* 50 (expt 2 20)))))
                   (partitions (list (partition