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Slow performance after upgrade to DP 8.0 DP 7.01

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Hi all,I havethe followinginfrastructureDP:

CellManager:WindowsServer2008 R2SP1
D2D4312G2withfirmware2.3.00

Each environmenthas aVirtualLibraryD2D4312configured on thesystem:
VMware_Library
SQL_Library
Ficheros_Library
Exchange_Library

After theupgrade,thebackupstaken to complete3 timesmore time.

Beforeconfiguring thedrivesI had wasthis:

AgentDiskBuffers:8
Segment Size:2000MB
Blocksize:64KB

concurrency:4

I'mrunning testschangingthese parameters, butthe sameresutaldosoptengo
DiskAgentbuffers:32
Segment Size:2000MB
Blocksize:512KB(I've alsotried256)

concurrency:1


HowI canimprove the performance ofsystembackup?with thisperformance,the backup systemis not working properly

regards


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