Slow writing speed on one of the partition created over VMware virtual disk

Solution Verified - Updated -

Issue

  • We are getting slow writing speed on one of the partition created over VMware virtual disk.
    Writing speed on /home is very less as compared to writing speed on /root:

    # dd if=/dev/zero of=/root/testfile bs=1G count=1 oflag=direct
    1+0 records in
    1+0 records out
    1073741824 bytes (1.1 GB) copied, 7.05611 s, 152 MB/s             <---
    
    # dd if=/dev/zero of=/home/testfile bs=1G count=1 oflag=direct
    1+0 records in
    1+0 records out
    1073741824 bytes (1.1 GB) copied, 75.2144 s, 14.3 MB/s            <---
    

Environment

  • Red Hat Enterprise Linux 5, 6, 7
  • VMware virtual disks

Subscriber exclusive content

A Red Hat subscription provides unlimited access to our knowledgebase, tools, and much more.

Current Customers and Partners

Log in for full access

Log In

New to Red Hat?

Learn more about Red Hat subscriptions

Using a Red Hat product through a public cloud?

How to access this content