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What is the Max Performance to Expect?


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I have roughly 3 Terabytes I need to backup daily, I understand the instant scan can improve performance, but it usually averages out to the low 900MB/minute. Is there a way to improve Retrospects performance or is this as good as it gets?


 

Current Config


 


Backup Server


Retrospect Server 12.0.0


Xserve 2008 2.8 QC 6GB Memory Mavericks 10.9.5


ATTO UltraSCSI Express UL5D (320 MB/s)


SCSI Array Promise vTrak M310P RAID 50 (12xWD20EFRX RED) 1MB Stripe 4KB Sector


 


 


Client Server


Retrospect Client 12.0.0


Xserve 2008 2.8 QC 6GB Memory Snow Leopard 10.6.8


ATTO Xtend SAN iSCSI Initiatior w/Marvell Yukon 88E8061 GbE Card


iSCSI Connected on Dedicated HP Procurve Switch 1800 Jumbo Frames


iSCSI Array Promise vTrakM610i RAID 10 (12xWD10EACS GREEN)  64KB Stripe 512 Sector


 


Performance Test 1


AJA System Test 10.5.2 Sweep File Sizes Test


Backup Server to SCSI Share W:171.9MB/s R:216.7MB/s


Client Server to iSCSI Share W:77.6MB/s R:79.8MB/s


Backup Server to Client Server over AFP W:58.2MB/s R:60MB/s


 


Performance Test 2


Retrospect Server 12.0.0


45 GB Mixed Media Share Block Level No Compression Media Verification Only


Source:Client Server


Using Retrospect Client: 1,616.6 MB/minute (26.94 MB/s)


Retrospect using AFP Share: 2,238.6 MB/minute (37.31 MB/s)


Retrospect using iSCSI Share: 2469.9 MB/minute (41.165 MB/s)


 


The iSCSI Share ignored ownership permissions, i would assume the AFP Share Ignores them as well.


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