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--- user:bh011695:ds_advanced_ds [2010/05/13 18:52] – bh011695
+++ user:bh011695:ds_advanced_ds [2010/05/18 19:55] (current) – bh011695
@@ Line 1: / Line 1: @@
+====== Data & Storage/Advanced Data & Storage ======
+===== Prereqs to Setting Up the RAIDs =====
+  log into vmserver02
+  cd /xen/conf
+  vi vm08.cfg
+  add the following lines to the file:
+	'file:xen/domains/vm08/disk_1.img,xvda3,w',
+	'file:xen/domains/vm08/disk_2.img,xvda4,w',
+	'file:xen/domains/vmo8/disk_3.img,xvda5,w',
+	'file:xen/domains/vm08/disk_4.img,xvda6,w',
+  save and exit vi
+  modprobe md
+  modprobe linear
+  modprobe multipath
+  modprobe raid0
+  modprobe raid1
+  modprobe radi5
+  modprobe raid6
+  modprobe raid10
+===== RAID 0 =====
+  log into vm08
+  shutdown -h now
+  log into vmserver02
+  cd /xen/domains/vm08
+  dd if=/dev/zero of=disk_1.img bs=1M count=1024
+  dd if=/dev/zero of=disk_2.img bs=1M count=1024
+  cd /xen/conf
+  xm create -c vm08.cfg
+  log into vm08
+  mdadm --create /dev/md0 --level=0 --raid-disks=2 /dev/xvda3 /dev/xvda4
+  mkfs.ext3 /dev/md0
+  mount /dev/md0 /mnt
+  cat /proc/mdstat
+===== RAID 1 =====
+  log into vm08
+  shutdown -h now
+  log into vmserver02
+  cd /xen/domains/vm08
+  dd if=/dev/zero of=disk_1.img bs=1M count=1024
+  dd if=/dev/zero of=disk_2.img bs=1M count=1024
+  cd /xen/conf
+  xm create -c vm08.cfg
+  log into vm08
+  mdadm --create /dev/md0 --level=1 --raid-disks=2 /dev/xvda3 /dev/xvda4
+  mkfs.ext3 /dev/md0
+  mount /dev/md0 /mnt
+  cat /proc/mdstat
+===== RAID 5 =====
+  log into vm08
+  shutdown -h now
+  log into vmserver02
+  cd /xen/domains/vm08
+  dd if=/dev/zero of=disk_1.img bs=1M count=1024
+  dd if=/dev/zero of=disk_2.img bs=1M count=1024
+  dd if=/dev/zero of=disk_3.img bs=1M count=1024
+  cd /xen/conf
+  xm create -c vm08.cfg
+  log into vm08
+  mdadm --create /dev/md0 --level=5 --raid-disks=3 /dev/xvda3 /dev/xvda4
+						   /dev/xvda5
+  mkfs.ext3 /dev/md0
+  mount /dev/md0 /mnt
+  cat /proc/mdstat
+===== RAID 6 =====
+  log into vm08
+  shutdown -h now
+  log into vmserver02
+  cd /xen/domains/vm08
+  dd if=/dev/zero of=disk_1.img bs=1M count=1024
+  dd if=/dev/zero of=disk_2.img bs=1M count=1024
+  dd if=/dev/zero of=disk_3.img bs=1M count=1024
+  dd if=/dev/zero of=disk_4.img bs=1M count=1024
+  cd /xen/conf
+  xm create -c vm08.cfg
+  log into vm08
+  mdadm --create /dev/md0 --level=6 --raid-disks=4 /dev/xvda3 /dev/xvda4
+						   /dev/xvda5 /dev/xvda6
+  mkfs.ext3 /dev/md0
+  mount /dev/md0 /mnt
+  cat /proc/mdstat
+===== RAID 10 =====
+  log into vm08
+  shutdown -h now
+  log into vmserver02
+  cd /xen/domains/vm08
+  dd if=/dev/zero of=disk_1.img bs=1M count=1024
+  dd if=/dev/zero of=disk_2.img bs=1M count=1024
+  dd if=/dev/zero of=disk_3.img bs=1M count=1024
+  dd if=/dev/zero of=disk_4.img bs=1M count=1024
+  cd /xen/conf
+  xm create -c vm08.cfg
+  log into vm08
+  mdadm --create /dev/md0 --level=10 --raid-disks=4 /dev/xvda3 /dev/xvda4
+					       	    /dev/xvda5 /dev/xvda6
+  mkfs.ext3 /dev/md0
+  mount /dev/md0 /mnt
+  cat /proc/mdstat
+=====RAID 01=====
+  log into vm08
+  shutdown -h now
+  log into vmserver02
+  cd /xen/domains/vm08
+  dd if=/dev/zero of=disk_1.img bs=1M count=1024
+  dd if=/dev/zero of=disk_2.img bs=1M count=1024
+  dd if=/dev/zero of=disk_3.img bs=1M count=1024
+  dd if=/dev/zero of=disk_4.img bs=1M count=1024
+  cd /xen/conf
+  xm create -c vm08.cfg
+  log into vm08
+  mdadm --create /dev/md0 --level=0 --raid-disks=2 /dev/xvda3 /dev/xvda4
+  mdadm --create /dev/md1 --level=0 --raid-disks=2 /dev/xvda5 /dev/xvda6
+  mdadm --create /dev/md2 --level=1 --raid-disks=2 /dev/md0 /dev/md1
+  mkfs.ext3 /dev/md2
+  mount /dev/md2 /mnt
+  cat /proc/mdstat

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