Why is data transfer slow while transferring data in between NFS share from one data center to another?

Solution Verified - Updated -

Issue

  • While transferring data internally in DATA CENTER A, getting a good speed
#  dd if=/dev/zero of=aaa.txt bs=1048576 count=1000
1048576000 bytes (1.0 GB) copied, 3.91387 seconds, 268 MB/s
  • While transferring data internally in DATA CENTER B, speed is slow
# dd if=/dev/zero of=aaa.txt bs=1048576 count=1000
1048576000 bytes (1.0 GB) copied, 34.1162 seconds, 30.7 MB/s
  • While transferring data in between the data centers speed is slow
    • From Data Center A to B
# dd if=/dev/zero of=aaa.txt bs=1048576 count=1000
1048576000 bytes (1.0 GB) copied, 16.4051 seconds, 63.9 MB/s
  • From Data Center B to A
# dd if=/dev/zero of=aaa.txt bs=1048576 count=1000
1048576000 bytes (1.0 GB) copied, 18.1717 seconds, 57.7 MB/s

Environment

  • Red Hat Enterprise Linux

Subscriber exclusive content

A Red Hat subscription provides unlimited access to our knowledgebase of over 48,000 articles and solutions.

Current Customers and Partners

Log in for full access

Log In
Close

Welcome! Check out the Getting Started with Red Hat page for quick tours and guides for common tasks.