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тАО09-08-2003 08:44 PM
тАО09-08-2003 08:44 PM
MSL5026 high density on Solaris
Hi,
I have a MSL5026 connected to a Sun Solaris 8
I have tried all sort of devices (c,h,u) but cannot backup more than 100Gb.
The same tape drive connected to the W2K boxes works fine over 100Gb
Any ideas?
Ta
I have a MSL5026 connected to a Sun Solaris 8
I have tried all sort of devices (c,h,u) but cannot backup more than 100Gb.
The same tape drive connected to the W2K boxes works fine over 100Gb
Any ideas?
Ta
3 REPLIES 3
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тАО09-09-2003 06:38 AM
тАО09-09-2003 06:38 AM
Re: MSL5026 high density on Solaris
What kind of data are you trying to back up? Also, is the data software-compressed before it's sent to tape? If so, you'll see virtually no difference using hardware compression, and the amount backed up will be the amount of compressed data, not the uncompressed amount.
I'd suggest using tar of a 1GB (or fixed size) text file and see how many times you can fit it on. This should show whether compression is working correctly.
I'd suggest using tar of a 1GB (or fixed size) text file and see how many times you can fit it on. This should show whether compression is working correctly.
A sysadmin should never cross his fingers in the hope commands will work. Makes for a lot of mistakes while typing.
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тАО09-09-2003 06:53 AM
тАО09-09-2003 06:53 AM
Re: MSL5026 high density on Solaris
Do you have the latest st driver patch for Solaris ? I can't remember when SDLT support was added, but you may not have built-in support if you installation is old and unpatched.
# strings /kernel/drv/st | grep DLT
will tell you what built-in support your current driver has.
If you can't patch, you can add the necessary definition by hand to /kernel/drv/st.conf.
Try sunsolve.sun.com for both. Google should also help with recommended settings for st.conf.
hth
D
#
# strings /kernel/drv/st | grep DLT
will tell you what built-in support your current driver has.
If you can't patch, you can add the necessary definition by hand to /kernel/drv/st.conf.
Try sunsolve.sun.com for both. Google should also help with recommended settings for st.conf.
hth
D
#
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тАО09-09-2003 03:09 PM
тАО09-09-2003 03:09 PM
Re: MSL5026 high density on Solaris
Thanks.
Looks like the problem might be with the values in st.conf.
At the moment, it is set with the values that came when installing the device drivers from Compaq rev 3.26.
I have not found anything on the Compaq web site, but via google and sunsolve, have got different settings for Quantum SDLT. Most likely the MSL5026 is a Quantum, so I will give it a go.
As it takes several hours to find out, I will keep you posted later on when I got it going.
Thanks for your help
Looks like the problem might be with the values in st.conf.
At the moment, it is set with the values that came when installing the device drivers from Compaq rev 3.26.
I have not found anything on the Compaq web site, but via google and sunsolve, have got different settings for Quantum SDLT. Most likely the MSL5026 is a Quantum, so I will give it a go.
As it takes several hours to find out, I will keep you posted later on when I got it going.
Thanks for your help
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