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04-19-2004 03:10 AM
04-19-2004 03:10 AM
MSL5030 +router 1200 + SAN installation problems
I am having problems when I try to install the tape library in the SAN environment . Lots of doubts are coming to my head.
- I have configured the SCSI ID from the drives.
- I have made the SCSI connection.
- I can see the SCSI devices from the router.
Bus Target Id LUN Id Device Type State Map Count Device Description
0 0 0 CHGR UP 0 COMPAQ MSL5000 Series 0421
0 1 0 TAPE UP 0 HP Ultrium 1-SCSI E38W
- I just can see this in the hp-ux ioscan related to the library.
ext_bus 37 0/9/0/0.2.5.255.0 fcpdev CLAIMED INTERFACE FCP Dev
ice Interface
This are my questions:
- Do I have to see any devices in the router FC port ???
- What drivers do I need in the hp-ux ???
- What should I see in the hp-ux ioscan ??
- How can I test the configuration is correct ??
Can anyone help me ??
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04-19-2004 06:11 PM
04-19-2004 06:11 PM
Re: MSL5030 +router 1200 + SAN installation problems
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04-20-2004 02:51 AM
04-20-2004 02:51 AM
Re: MSL5030 +router 1200 + SAN installation problems
Robotics controls is done over driver sctl, which is probably in the kernel. Tape drives are controlled by stape driver. Execute:
lsdev | grep -e sctl -e stape
If tour devices still does not show up, look for:
- SAN switch cfg, like zonning. Usually you can check zonning cfg via browser, since the switches has a web server that allows remote management vith graphic facility.
- NSR 1200 mapping. It is important that you configura manual mapping for what hosts can access each of the library devices(robotics and drives). I have seen many intermitent problems(generic I/O errors, tape drive going to no_hardware in ioscan - hp-ux, etc). This is a task to a hardware/storage engineer. Of course the default configuration should not prevent hosts from seing the library devices. It is a recommendation to make manual cfg.
Good luck!
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04-20-2004 03:58 AM
04-20-2004 03:58 AM
Re: MSL5030 +router 1200 + SAN installation problems
do you know the exact procedure to create the device files for the picker ..
this is what I get from ioscan:
unknown -1 0/9/0/0.2.5.255.0.0.0 UNCLAIMED UNKNOWN COMPAQ MSL5000 Series
This is what I get from kernel:
Dartanan:/> lsdev | grep -e sctl -e stape
203 -1 sctl ctl
205 -1 stape tape
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04-20-2004 04:11 AM
04-20-2004 04:11 AM
Re: MSL5030 +router 1200 + SAN installation problems
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04-20-2004 04:21 AM
04-20-2004 04:21 AM
Re: MSL5030 +router 1200 + SAN installation problems
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04-20-2004 04:22 AM
04-20-2004 04:22 AM
Re: MSL5030 +router 1200 + SAN installation problems
mkdir /dev/scsi
mknod /dev/scsi/3 c 203 0xLL0000
where LL = instance number of your ext_bus just above the robotics you see in ioscan. Tip: ioscan tells you instance in decimal, while mknod is hexa. I.E., if ioscan tells, say:
ext_bus 17 ...
Your mknod will be
mknod /dev/scsi/3 c 203 0x110000
Only for your reference, the remaining zeros are:
- Target
- Lun number
- unused = 0
- unused = 0
Unfortunatelly i dont have the hardware/storage procedures to configure switch and Library.
Regards,
Cel
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04-20-2004 04:27 AM
04-20-2004 04:27 AM
Re: MSL5030 +router 1200 + SAN installation problems
You can test your robotics device by issuing:
mc -rDS # status of drives and slots using default device /dev/scsi/3
or
mc -s S1 -d D1 # move from slot1 to drive1
or
mt -t /dev/rmt/?m off # eject tape from drive
mc -s D1 -d S1 # move back to slot
...take a look at man mc(1M).
Celso