Blog di Bernardino (Dino) Ciuffetti

04 Nov 15 Rescan iSCSI volume after resize on linux

If you need to resize a iSCSI volume you need to:

  1. resize the volume on the iSCSI target (ietd)
  2. rescan the volume on the iSCSI initiator (open-iscsi)
  3. resize the fs, if any

I’ll skip the resize procedure on the target, because it depends on how it’s made (lvresize, dd, etc).

The procedure to rescan the volume on the initiator (open-iscsi) is very simple and can be accomplished online.

iscsiadm -m node -R

Then, you can grow the filesystem, if any (xfs_grofs, resize_reiserfs, resize2fs, depending on your fs type).

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