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LVM Configure Hard Drive Benefits of Multiple Partitions • User

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LVM Configure Hard Drive Benefits of Multiple Partitions • User Powered By Docstoc
					Configure Hard Drive
  Benefits of Multiple Partitions
• User may fill the only partition completely
• Different properties for different partitions
  while mounting, i.e., R/W, Read only
• Using external storage like a storage area
  network
• Separate partition to boot from
          Hard or Soft?
• Hard = Partition, fixed size, hard
  to change
• Soft = Logical Volume, easy to
  resize and more cool features
         Traditional Partitions
• 4 primary partitions (defined by partition
  table in the master boot record)
• extended partitions
  – 16 logical partitions
• 20 in total
• dynamically adjusting size?
Advantages of Logical Volumes
• as many as 256 LVM logical volumes
• very easy to resize
• does not have a one-to-one relationship with the
  storage device
• i.e., a logical volume that uses three hard disks
• support working with snapshots
          Partition Methods
• Guided, entire disk
• Guided, entire disk and set up LVM
• Guided, entire disk and set up encrypted
  LVM
• Manual
 Using the Guided LVM-Based
            Setup
• The partitioning program next tells you that
  it wants to write a basic partitioning
  scheme to disk before it can continue
• an LVM environment is created on top of a
  traditional partition
• point of no return

				
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posted:6/26/2011
language:English
pages:7