I have an MSL2024 library I have been battling to get running for the
last couple of days and am about out of ideas. It is the parallel SCSI
attached LTO-4 version, connected to an HP LSI based HBA.
I have bacula configured and it passes the mtx-changer test commands
recommended in the manual and also passes all the "btape test" tests,
including the "auto test".
However, operationally after starting out, something appears to not
release /dev/nst0 and everything fails beyond this point.
Below is an example where from bconsole I issued "automount off" then
the "label" command:
Connecting to Storage daemon HP_MSL2024 at library1.sauce.co.nz:9103 ...
Sending label command for Volume "GQJ800L4" Slot 1 ...
3301 Issuing autochanger "loaded? drive 0" command.
3302 Autochanger "loaded? drive 0", result: nothing loaded.
3304 Issuing autochanger "load slot 1, drive 0" command.
3305 Autochanger "load slot 1, drive 0", status is OK.
block.c:1010 Read error on fd=5 at file:blk 0:0 on device "Drive-1"
(/dev/nst0). ERR=Device or resource busy.
3000 OK label. VolBytes=1024 DVD=0 Volume="GQJ800L4" Device="Drive-1"
(/dev/nst0)
Catalog record for Volume "GQJ800L4", Slot 1 successfully created.
Do not forget to mount the drive!!!
Another example, after resetting everything, loading 12 blank tapes and
issuing "label barcodes", it labelled the first 2 tapes OK, then every
subsequent one included the error:
block.c:1010 Read error on fd=5 at file:blk 0:0 on device "Drive-1"
(/dev/nst0). ERR=Device or resource busy.
I am almost sure it is not a bacula issue as I have just stopped bacula
and run btape:
btape -c bacula-sd.conf /dev/nst0
Tape block granularity is 1024 bytes.
btape: butil.c:285 Using device: "/dev/nst0" for writing.
07-Jan 10:03 btape JobId 0: 3301 Issuing autochanger "loaded? drive 0"
command.
07-Jan 10:03 btape JobId 0: 3302 Autochanger "loaded? drive 0", result
is Slot 1.
btape: btape.c:383 open device "Drive-1" (/dev/nst0): OK
*readlabel
07-Jan 10:03 btape JobId 0: Error: block.c:1010 Read error on fd=3 at
file:blk 0:0 on device "Drive-1" (/dev/nst0). ERR=Device or resource busy.
btape: btape.c:432 Volume has no label.
Volume Label:
Id : **error**VerNo : 0
VolName :
PrevVolName :
VolFile : 0
LabelType : Unknown 0
LabelSize : 0
PoolName :
MediaType :
PoolType :
HostName :
Date label written: -4712-01-01 at 00:00
Here is the relevant director conf entry:
# Definition of tape storage device
Storage {
Name = HP_MSL2024
Address = library1.sauce.co.nz
SDPort = 9103
Password = "deliberately munged" # password for Storage daemon
Device = HP_MSL2024 # must be same as Device in
Storage daemon
Media Type = LTO-4 # must be same as MediaType in
Storage daemon
Autochanger = yes # enable for autochanger device
}
Storage daemon conf:
Autochanger {
Name = HP_MSL2024
Device = Drive-1
Changer Command = "/etc/bacula/mtx-changer %c %o %S %a %d"
Changer Device = /dev/sg9
}
Device {
Name = Drive-1
Drive Index = 0
Media Type = LTO-4
Archive Device = /dev/nst0
AutomaticMount = yes;
AlwaysOpen = yes;
RemovableMedia = yes;
RandomAccess = no;
Maximum block size = 262144
Maximum File Size = 5GB
AutoChanger = yes
Alert Command = "sh -c 'smartctl -H -l error %c'"
}
The library itself is configured "automatic, random" (the default) and I
have also tried Manual, random.
Any help much appreciated.
Regards,
Richard
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