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Associated Information

- Disks and LSM
- Storage Works

Useful Links

• mkfdmn volume_name domain_name - create a file domain

• /etc/fdmns - contains a subdirectory for each file domain. Each subdirectory contains synbolic links to each volume

• showfdmn - remove a domain

• mkfset domain_name fileset_name - create fileset

  e.g.
  mkfset domain1 fileset1
  mount -t advfs domain1#fileset1 /dir1

  entry in fstab would be: domain1#fileset1 /dir1 advfs rq,usequota,groupquota

• showfsets fileset_name - display info about a fileset

• rnfset - remove fileset

• clonefset - create a clone fileset for backup purposes (If a file in the original fileset is changed, the data is copied into the clone fileset first so the clone maintains an unchanged snapshot of the fileset)

  e.g.
  mkdir /mnt/fileset1_clone
  clonefset domain1 fileset1 fileset1_clone
  mount -t advfs domain1#fileset1_clone
  /tmp_mnt/clone1
  vdump /tmp_mnt/clone1
  umount /tmp_mnt/clone1
  rmfset domain1 fileset1_clone

  Examples of using AdvFS with LSM

  500Mb, mirrored

  1. volassist -U fsgen make v2_mirror 500m nmirror=2
  2. mkfdmn /dev/vol/rootdg/v2_mirror domain1
  3. mkfset domain1 fset_1
  4. mount domain1#fset_1 /dir1

  1Gb domain, 2vols

  1. volassist make vol01 500m
  2. volassist make vol02 500m
  3. mkfdmn /dev/vol/vol01 onegb_domain
  4. addvol /dev/vol/vol02 onegb_domain
  5. mkfset onegb_domain onegb_fset
  6. mount onegb_domain#onegb_fset /dir1