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Hari5

443 Posts

2710

November 14th, 2008 18:00

Problem with configuring tape library

First up, the environment;

1. Backup server is on Solaris 9 with 3 HBAs.
2. One physical tape library and one virtual tape library (CDL) are connected to the backup server.
3. Each tape library has 20 LTO-II tape drives.
4. Zoning is fine and the HBA cards are working.

The problem is that inquire detects the robotic arm and 10 of the tape drives from the physical tape library but does not pick up the rest. What I found was that device files for all the tape drives are getting created on the OS. For some reason, inquire is not detecting them.

I can work around the tape drives not being detected by inquire and add them using jbedit, but the problem is that I am not able to configure the VTL as inquire is not detecting it's robotic.

Any suggestions?

Hari5

443 Posts

November 20th, 2008 05:00

I forgot to check that out. Will check and get back to you. My problem is that even if the devices do show up in inquire -l, the library will still not be auto configurable. The client site where I am rolling out this want it to be auto-configurable.

Hari5

443 Posts

November 20th, 2008 05:00

Some new background I was just informed about. This problem has cropped up since the customer upgraded nw from 7.0 to 7.4. Pre-upgrade both tape libraries and all drives were visible on inquire and were getting configured using jbconfig. At present jbconfig is only picking up the physical library.

ble1

6 Operator

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14.4K Posts

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56.2K Points

November 20th, 2008 22:00

When you uninstall NW on Solaris it will remove old lus.conf which might have been set correctly thus new version would not see it. lus is used by NW only while lpfc is used by other things too. Check some past threads on lus.conf for more details.

roud

9 Posts

December 3rd, 2008 19:00

Do you have check st.conf file?
path: /kernel/drv/st.conf and /usr/kernel/drv/st.conf,

I was got the similar problem, while I change my stuck tape drive (LTO3) with the new tape drive, library auto changer become disappear and not work, but I can done Unix command to all drives (12 drives).

Then vendor of tape drive request me to update those files and it works. Based explanation of vendor, it can happened because Networker need sequential tape drive, if not, Networker will failed to using auto changer

Sorry if this not helpful

Regards
Roud

Hari5

443 Posts

December 4th, 2008 01:00

I verified that the lus.conf as of preupgrade and the lus.conf after the upgrade are the same. I tried the lus_add_fp_devs script and got the message that nothing is configured in lus.

Hari5

443 Posts

December 4th, 2008 01:00

Have already verified the st.conf. Thanks anyway.

ble1

6 Operator

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14.4K Posts

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December 7th, 2008 12:00

luss_add_fp_devs won't configure your lus.conf always ;)

First check if your hba is listed in lus.conf and add it if not. Make sure range you specify is the right one.

Hari5

443 Posts

December 12th, 2008 21:00

True ... In any case, the way it turned out was a problem with the lpfc cofiguration. Didn't need to configure lus at all. Thanks a lot for the suggestions.

dannyboy811

6 Posts

September 26th, 2012 10:00

Hi hari,

We are facing a similar issues. Could you let me know what did u do for the lpfc to resolve the issue.

Danny.

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