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-rw-r--r--gnu/system/mapped-devices.scm32
1 files changed, 18 insertions, 14 deletions
diff --git a/gnu/system/mapped-devices.scm b/gnu/system/mapped-devices.scm
index 1cfd649278..2a0706e50b 100644
--- a/gnu/system/mapped-devices.scm
+++ b/gnu/system/mapped-devices.scm
@@ -128,20 +128,24 @@
(open open-luks-device)
(close close-luks-device)))
-(define (open-raid-device source target)
- "Return a gexp that assembles SOURCE (a list of devices) to the RAID device
-TARGET, using 'mdadm'."
- #~(let ((every (@ (srfi srfi-1) every)))
- (let loop ()
- (unless (every file-exists? '#$source)
- (format #t "waiting a bit...~%")
- (sleep 1)
- (loop)))
- (zero? (system* (string-append #$mdadm "/sbin/mdadm")
- "--assemble" #$target
- #$@source))))
-
-(define (close-raid-device source target)
+(define (open-raid-device sources target)
+ "Return a gexp that assembles SOURCES (a list of devices) to the RAID device
+TARGET (e.g., \"/dev/md0\"), using 'mdadm'."
+ #~(begin
+ (use-modules (srfi srfi-1) (ice-9 format))
+
+ (let ((sources '#$sources))
+ (let loop ()
+ (unless (every file-exists? sources)
+ (format #t "waiting for RAID source devices~{ ~a~}...~%"
+ sources)
+ (sleep 1)
+ (loop)))
+
+ (zero? (system* (string-append #$mdadm "/sbin/mdadm")
+ "--assemble" #$target sources)))))
+
+(define (close-raid-device sources target)
"Return a gexp that stops the RAID device TARGET."
#~(zero? (system* (string-append #$mdadm "/sbin/mdadm")
"--stop" #$target)))