Linux: System Storage Manager (SSM)

• Install the SSM
  • yum install system-storage-manager
• Display current configrution
  • ssm list
• List logical volumes
  • ssm list volumes
• Create physical volumes, volume group and logical volume and mount all at once
  • ssm create -s 100G -n website --fstype xfs -p vg1 /dev/sdb /dev/sdc /website
• Add a physical disk to a pool and resize a volume
  • ssm add -p vg1 /dev/sdd
  • ssm resize -s +100G /dev/vg1/website
  • or
  • ssm resize -s +100G /dev/vg1/website /dev/sdd
• Check consistency
  • umount /website
  • ssm check /dev/vg1/website
  • mount /dev/vg1/website /website
• Create a thin provisioned disk
  • ssm create -s 1G --virtual-size 1T -n images --fstype xfs -p vg1 /images
• Snapshot a volume
  • ssm snapshot /dev/vg1/website
  • ssm list snapshots
• Restore a snapshot
  • umount /website
  • lvconvert --merge <snapshot_file>
• Remove volumes
  • umount /website /images
  • ssm remove vg1
• Create a RAID 0 array
  • ssm create --raid 0 -n website --fstype xfs -p vg1 /dev/sdb /dev/sdc /website
• Create a RAID 1 array
  • umount /website
  • ssm remove vg1
  • ssm create --raid 1 -s 1G -n website --fstype xfs -p vg1 /dev/sdb /dev/sdc /website