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==== I/O Performance Test === ==== I/O Performance Test ====

Partition UUID and Label

  • Get UUID and Label 
    # blkid
/dev/sda1: SEC_TYPE="msdos" UUID="62AC-64E2" TYPE="vfat"
/dev/sda2: UUID="ebc16f0e-586d-466e-aba5-321016b401e9" TYPE="ext4"
/dev/sda3: UUID="9bb04b5a-e6c8-48ae-b802-4084f3943945" TYPE="xfs"
/dev/sda4: UUID="439969cb-2311-40e9-b1bc-6ede1bd185ef" TYPE="swap"
/dev/sdc1: UUID="6450978C50976398" TYPE="ntfs"
/dev/sdc2: UUID="fc5d0b9e-6092-410d-b000-c567be2eb940" TYPE="ext4"
/dev/sdb1: UUID="665d6352-b050-4702-b4f0-c6242c785127" TYPE="xfs"
  • Change Label 
    //ext2, ext3, ext4
# e2label <device> <label name>
//ocfs2
# tunefs.ocfs2 -L <label name> <device>

I/O Performance Test

Throughput 

# dd if=/dev/zero of=/dev/sda2 bs=1G count=1 oflag=direct

Tech/LinuxDisk (last edited 2016-03-10 23:34:59 by frank)