Why is this LTO4 Tape-drive not working
- by Tim Haegele
# modprobe mptsas
# dmesg
[ 4274.796796] scsi target7:0:0: mptsas: ioc1: delete device: fw_channel 0, fw_id 0, phy 0, sas_addr 0x50050763124b29ac
[ 4274.939579] mptsas 0000:01:00.0: PCI INT A disabled
[ 4280.934531] Fusion MPT SAS Host driver 3.04.12
[ 4280.934552] mptsas 0000:01:00.0: PCI INT A -> GSI 16 (level, low) -> IRQ 16
[ 4280.934692] mptbase: ioc2: Initiating bringup
[ 4281.490183] ioc2: LSISAS1064E B3: Capabilities={Initiator}
[ 4281.490203] mptsas 0000:01:00.0: setting latency timer to 64
[ 4293.555274] scsi8 : ioc2: LSISAS1064E B3, FwRev=011e0000h, Ports=1, MaxQ=277, IRQ=16
[ 4293.574906] mptsas: ioc2: attaching ssp device: fw_channel 0, fw_id 0, phy 0, sas_addr 0x50050763124b29ac
[ 4293.576471] scsi 8:0:0:0: Sequential-Access IBM ULTRIUM-HH4 B6W1 PQ: 0 ANSI: 6
[ 4293.578549] st 8:0:0:0: Attached scsi tape st0
[ 4293.578550] st 8:0:0:0: st0: try direct i/o: yes (alignment 512 B)
[ 4293.578577] st 8:0:0:0: Attached scsi generic sg5 type 1
# mt -f /dev/st0 status
mt -f /dev/st0 status
mt: /dev/st0: rmtopen failed: Input/output error
# dd if=/dev/zero of=/dev/nst0 bs=1024 count=10
dd: opening `/dev/nst0': Input/output error
I am running debian squeeze
2.6.32-5-amd64 #1 SMP Sun May 6 04:00:17 UTC 2012 x86_64 GNU/Linux
Server is Fujitsu TX140 with Controller Symbios Logic SAS1064ET PCI-Express Fusion-MPT SAS
Tape+Hardware is new.
