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Performance with VS80

Andrew Moore_3
Occasional Advisor

Performance with VS80

I recently upgraded to servers that were using DLT 4000 to VS80s and performance sucks! Using BrightStore 11 as the backup software. Have run HP tape tools and all looks ok. Using firmware V063/HP01. Any suggestions? Were can I change the Buffer Size?

Thanks.
That shouldn’t be a problem
10 REPLIES
Marino Meloni_1
Honored Contributor

Re: Performance with VS80

Andrew Moore_3
Occasional Advisor

Re: Performance with VS80

Using it with 2000 and 2003 server. Same problem on each OS. Thanks for the link but tried to find similar registry settings (article about ArcServe 6.x) but did not have any luck. Also tried updating the drivers in case they got replaced by a Service Pack but no luck their. Any other suggestions?
That shouldn’t be a problem
Andrew Moore_3
Occasional Advisor

Re: Performance with VS80

Finally was able to contact CAI and they and HP are woking on a fix. Apparently I'm not the only one. But who knows when it will come out. For now NTBackup...
That shouldn’t be a problem
Kivanc Oskay
Occasional Visitor

Re: Performance with VS80

Hi,
stop the "CA Brighstor Tape Engine" service and locate the following registry folder with regedt32.exe; "HKLM/Software/Computer Associates/Brighstor ARCserve Backup/Base/TapeEngine/DEVICE#/" -look "Info" value for which device# is your dlt has-, then ADD DWORD value

data type= Reg_Dword
valuename= DefaultBlockFactor
data= 7, Hex.

then start the "CA Brightstor Tape Engine service" and back-up your files :)
"istikbal goklerdedir"
Allan_24
Regular Advisor

Re: Performance with VS80

Hi,

Have you tried to use Windows Ntbackup? If yes and with d'same performance.

Try this:

1. Make sure that Removable Storage Manager Services is disabled (under computer mangt. console)if your utilizing 3rd party backup software.

2. Try to backup flat files or not in-use files.

3. (Optional)Your software is equiped with Backup to disk feature, why don'y you try this and compare the backup disk rate from your tape box speed.

Hope this helps,

Regards
"You should be working"
Andrew Moore_3
Occasional Advisor

Re: Performance with VS80

I've been in contact with CAI and they have created a fix for the problem. Apparently I'm not the only one. :-)

Apreciate your feedabck.
That shouldn’t be a problem
Stephen Patterson_1
Occasional Visitor

Re: Performance with VS80

Andrew I Have the exact same problem, I only get 8mb per minutem is there a patch to download?
Kivanc Oskay
Occasional Visitor

Re: Performance with VS80

hi,
why don't you just scroll up? i wrote the solution for windows on Jun 22, 2004..
--
Kivanc Oskay
System Support Specialist

Cozum Bilgisayar Ltd.
"istikbal goklerdedir"
juhani lindström
Occasional Visitor

Re: Performance with VS80

Hi

I'm having the same problem. I Tried the registry fix (add DefaultBlockFactor, value 7) but when tape engine starts it deletes that key. OS is windows 2000 server standard edition. Arcserver versio is 2000 advanced editon.
Any ideas would be greatly appreciated.

Juhani
Kivanc Oskay
Occasional Visitor

Re: Performance with VS80

Hi Juhani,
do not change registry when the service in running state. please try first stopping engine (be sure its stopped) then make registry change then start engine.
if you make registry change while the tape engine service in running state and restart the service, it overwrites the registry.
--
Kivanc Oskay
"istikbal goklerdedir"