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