what the blog?

Tagged: raid RSS

• 

  levin 12:17 am on April 28, 2010 Permalink | Reply
  Tags: linux ( 38 ), mdadm ( 2 ), raid   

  Enlarge linux software mirror raid 1 howto 

  Scenario

  A linux box running on a software raid 1 mirror harddisk (120GB), recently the server is running out of disk space. A new pair of harddisk with larger capacity (500GB) is going to replace the existing pair.

  Current disk layout

  100MB md0:/dev/sda1, /dev/sda2
  111GB md1:/dev/sdb1, /dev/sdb2

  /boot /dev/md0
  VolGroup00 /dev/md1
  - LogVol00 swap
  - LogVol01 /

  Synchronize the data to new harddisk

  1. Shutdown the box
  2. remove sdb from the box
  3. replace with the new 500GB disk

  (More …)

   

  Reply Cancel reply

  Required fields are marked *

  Name *

  Email *

  Website

  

  

  

  
  

  CAPTCHA Code *

  

• 

  levin 7:22 pm on July 20, 2006 Permalink | Reply
  Tags: raid, Tru64   

  Create raid on Tru64 quick note 

  Create root disk mirroring
  PS: Two free patition table entries must be availabele for LSM use on the physical boot disk

  #Encap root disk
  volencap dsk0

  #Perform it and restart it
  volreconfig

  #Check destination disk layout
  disklabel -r dsk1
  (More …)

   
• 

  levin 6:20 pm on April 24, 2005 Permalink | Reply
  Tags: linux ( 38 ), raid   

  On-the-fly Create RAID 1 on RH/Fedora 

  Create the partitions
  fdisk /dev/hda
  fdisk /dev/hdc

  For example, create 2 partition on 2 harddrive each 10GB and the result is
  /dev/hda2
  /dev/hda5

  /dev/hdc2
  /dev/hdc5

  (More …)