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Calculate , how much has been restored from tape in 1 minute

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Advisor

Calculate , how much has been restored from tape in 1 minute

 

Hi All,

 

jdatest> uname -a
HP-UX jdadev B.11.11 U 9000/800 3251073457 unlimited-user license

 

We are in process of retoring datafiles from tape. it appeares to us that tapes are really slow to respond and now I am thinking of ctreating one schell script , which would able to calculate the data restored in terms of MB/per per minute. Looking forward to hear from you.

 

Regards

Alok

 

 

 

 

 

 

5 REPLIES
Acclaimed Contributor

Re: Calculate , how much has been restored from tape in 1 minute

I would first check the bus speed (depending on technology used).

 

Example:

 

# scsictl -c get_target_parm /dev/rdsk/c2t0d0

 

# mptconfig /dev/mpt0


Hope this helps!
Regards
Torsten.

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Advisor

Re: Calculate , how much has been restored from tape in 1 minute

Thanks for the inputs. I think , my mistake , as I did not describe the way . I'd like it be. well, I have around 46 mound points like  /db/jdatest/data1 to  /db/jdatest/data46 and I am trying to do the df -P  at 2 different interval to calculate , how much has been restored to disk from tape. since this effort is manual , I was thinking of creating a script , which will periodically tell us , how much being restored. I hope, I was able to communicated my point of concern this time.

Acclaimed Contributor

Re: Calculate , how much has been restored from tape in 1 minute

But "slow" may depend on the way you restore or the bus between the devices or even a problem with the tape drive itself.

I would also do an assessment test using LTT http://www.hp.com/support/tapetools

Hope this helps!
Regards
Torsten.

__________________________________________________
There are only 10 types of people in the world -
those who understand binary, and those who don't.

__________________________________________________
No support by private messages. Please ask the forum!

If you feel this was helpful please click the KUDOS! thumb below!   
Advisor

Re: Calculate , how much has been restored from tape in 1 minute

 

 

Agreed!! but right now, I do not have access to these tapes and are made to wait for no reasons. I just need a way to calcualte , how much is getiing added to disks with the help of script. hope, you you understand.

 

Regards

Alok

Honored Contributor

Re: Calculate , how much has been restored from tape in 1 minute

The simplest is to run this command line.

 

while : ; do du -sk /Dir_to_Watch;sleep 60;done

 This will report the total number of Kbytes in the directory you want to watch every 60 seconds.

 

 



Bill Hassell, sysadmin