Nigel Wade wrote:
The first step is to see if the st kernel module has been loaded. Run
lsmod and check that it is there. You should also see SCSI device
drivers for whatever SCSI card you have. The scsi_mod module should have
a dependency on the st module and your SCSI card driver.
Check whether the st module has created the necessary filesystem entries
in /dev/. There should be a /dev/st0, /dev/nst0 at the very least.
Look in /proc/scsi/scsi, this should list all the scsi devices found.
There ought to be an entry for your tape drive. For example, one of our
HP DAT drives looks like this:
Host: scsi5 Channel: 00 Id: 01 Lun: 00
Vendor: HP Model: C5683A Rev: C908
Type: Sequential-Access ANSI SCSI revision: 02
It's showing in lsmod:
[root@mail ~]# lsmod
Module Size Used by
nfs 211881 0
lockd 65769 1 nfs
nfs_acl 7745 1 nfs
st 40285 0
parport_pc 28033 0
lp 15661 0
parport 38025 2 parport_pc,lp
autofs4 23109 0
i2c_dev 14529 0
i2c_core 26049 1 i2c_dev
sunrpc 144037 4 nfs,lockd,nfs_acl
ipt_LOG 10177 1
ipt_REJECT 10689 1
ipt_state 5953 8
ip_conntrack 46085 1 ipt_state
iptable_filter 6977 1
ip_tables 22721 4 ipt_LOG,ipt_REJECT,ipt_state,iptable_filter
md5 8129 1
ipv6 242657 114
dm_mirror 31901 0
dm_mod 60741 1 dm_mirror
button 10705 0
battery 12997 0
ac 8901 0
uhci_hcd 32857 0
ehci_hcd 32325 0
hw_random 9685 0
shpchp 85061 0
e1000 109369 0
floppy 58193 0
aic79xx 187869 0
sg 38369 0
ext3 118857 6
jbd 59609 1 ext3
megaraid_mbox 37329 7
megaraid_mm 17777 1 megaraid_mbox
aic7xxx 146425 0
sd_mod 20545 9
scsi_mod 117709 6 st,aic79xx,sg,megaraid_mbox,aic7xxx,sd_mod
This is what's showing in /proc/scsi/scsi - the device with Id: 06 used
to say Seagate DAT-72, so I've obviously changed something in my
attempts to fix this.
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