rait with file:

I have two firewire drives to use as the backup media.  I want the
data mirrored on the two drives in case one of them happens to fail.
I was able to get a simple file: setup working.  Now I am trying to
mix in RAIT to achieve the mirroring effect.  It isn't quite working,
though.

Here's what I have tried :

---- /etc/amanda/daily/amanda.conf
org "daily"
dumpuser "backup"
tapetype VTAPE-DISK
tapedev "rait:/var/lib/amanda/symlinks/daily{1,2}/data"
tpchanger "chg-rait"
changerfile "/etc/amanda/daily/changer"
labelstr "^daily\.[0-9][0-9]*$"

define tapetype VTAPE-DISK {
    comment "Dump to hard disk"
    # 35 GB on each firewire drives
    # therefore, 4.375 GB per tape for 8 tapes
    length 4480 MB
}

---- daily/changer
nchangers=2

tpchanger_1="chg-disk"
changerdev_1="file:/var/lib/amanda/symlinks/daily1"
tapedev_1="file:/var/lib/amanda/symlinks/daily1"

tpchanger_2="chg-disk"
changerdev_2="file:/var/lib/amanda/symlinks/daily2"
tapedev_2="file:/var/lib/amanda/symlinks/daily2"


Some notes regarding the configuration -- the "symlinks" directories
contain symlinks to the real vtapes.  The firewire disks are actually
attached to a windows machine and accessible only via SMB and thus
can't support the 'data' symlink needed by chg-disk.  (no, the disks
can't be moved to the linux machine;  it's not up to me)  Also, in the
interest of brevity I omitted some parameters which I believe are
irrelevant.

I ran
    amlabel daily daily.1 slot 1
(and so on for each vtape) in each of the "symlink" directories.

When I run amcheck, I get this output :
----
# su backup -c '/usr/sbin/amcheck daily' 
Amanda Tape Server Host Check
-----------------------------
Holding disk /_backup_temp: 1802032 KB disk space available, that's plenty
amcheck-server: slot file:/var/lib/amanda/symlinks/daily1: rait:{,}
ERROR: new tape not found in rack
       (expecting a new tape)
NOTE: skipping tape-writable test
NOTE: info dir /var/lib/amanda/daily-rait/curinfo: does not exist
NOTE: it will be created on the next run
NOTE: index dir /var/lib/amanda/daily-rait/index: does not exist
Server check took 1.007 seconds

Amanda Backup Client Hosts Check
--------------------------------
Client check: 2 hosts checked in 0.794 seconds, 0 problems found

(brought to you by Amanda 2.4.4p3)
----

Both the server and the client are Debian machines.

What exactly is amcheck-server looking for?  Did I put an incorrect
path in the configuration or is the label on the vtape wrong?  Am I
totally missing something?

TIA,
-D

-- 
The Consultant's Curse:
    When the customer has beaten upon you long enough, give him
what he asks for, instead of what he needs.  This is very strong
medicine, and is normally only required once.
 
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