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New Tape Lib

Created: 04 Mar 2013 | Updated: 30 Apr 2013 | 6 comments
SARA_8's picture
SARA_8
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hello,

 

I'm removing ACSLS tape library StorageTek from my Netbackup 7.5 and replacing it with new library ( same model).

 

this is plan step by step plan:

 

1- delete robot from the master ( AIX)  ( tpconfig -delete -robot....)

2- delete drives ( tpconfig -delete -drive...)

3-eject tapes from old lib

4- moves drives and tapes to new lib

5- make sure media servers see tape drives ( still have the drives paths )

6- add robot to master (  tpconfig -add -robot ...)

7- use Device Config Wizard to discover drives

8- robot inventory to see media

 

do I need to add something to my plan?

Do I need to any configuration on acsls host before using the wizard?

Will a reboot be required during my tasks?

 

Thanks

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Comments 6 Comments • Jump to latest comment

Nicolai's picture
Nicolai Trusted Advisor Partner
New Tape Lib - Comment:04 Mar 2013 : Link

I would do 3 before 1 and 2.

Alternative - Just move tapes logical to "---" (standalone)  and remove them manually from library.

9 : Verify bar code rules still work as intended (if you are using any).

Assumption is the mother of all mess ups.

If this post answered your'e qustion -  Please mark as a soloution.

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SARA_8's picture
SARA_8
New Tape Lib - Comment:05 Mar 2013 : Link

Thanks, how to move ALL tape under acs robot to standalone ?

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Marianne van den Berg's picture
Marianne van den Berg Trusted Advisor Partner Accredited Certified
New Tape Lib - Comment:05 Mar 2013 : Link

ALL robotic tapes in current robot should be moved to standalone.

Please also note that any changes to tape drive switch connection could possible result in OS device name change.
Best to delete current OS devices and re-config:

 lsdev -Cc tape
 rmdev -dl rmt#
 cfgmgr -v
 lsdev -Cc tape

Remember to restart NBU after deleting robot and drives.

Supporting Storage Foundation and VCS on Unix and Windows as well as NetBackup on Unix and Windows
Handy NBU Links

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SARA_8's picture
SARA_8
New Tape Lib - Comment:05 Mar 2013 : Link

Thanks Marianne,

Whta about commands for removing And reconfiguring drives on Linux media server?

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Marianne van den Berg's picture
Marianne van den Berg Trusted Advisor Partner Accredited Certified
New Tape Lib - Comment:08 Mar 2013 : Link

I am not aware of any Linux commands to refresh/renew device paths. 
(Hopefully one of our Linux experts will let us know if there is a way.)

A quick reboot will work.
Confirm devices are visible with 'cat /proc/scsi/scsi'.

Supporting Storage Foundation and VCS on Unix and Windows as well as NetBackup on Unix and Windows
Handy NBU Links

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Nicolai's picture
Nicolai Trusted Advisor Partner
New Tape Lib - Comment:13 Mar 2013 : Link

 

Generic Linux Rescan
 
echo 1 > /sys/class/fc_host/host<number>/issue_lip 
 
For example, to probe the HBA on host1, enter
 
echo 1 > /sys/class/fc_host/host1/issue_lip
 
At this point, the newly added device is not known to the higher layers of the Linux kernel's SCSI  sub-system and is not yet usable.
 
Scan all targets for a host to make its new device known to the middle layer of the Linux kernel's SCSI sub-system. At a terminal console prompt, enter
 
echo "- - -" > /sys/class/scsi_host/host<number>/scan
 
For example, to probe the HBA on host1, enter
echo "- - -" > /sys/class/scsi_host/host1/scan
 

Assumption is the mother of all mess ups.

If this post answered your'e qustion -  Please mark as a soloution.

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