iscsi lvm and /dev and bootup

Harry Hoffman hhoffman at ip-solutions.net
Mon Nov 3 19:24:52 UTC 2008


Hi,

I'm stuck here...

I've got iscsi running here with two drives on a lefthand networks iscsi
box.

I'm able to successfully login and can see the targets.

I'm using lvm to create physical volumes:
pvcreate external_iscsi /dev/sdb /dev/sdc


I then create a logical volume:
lvcreate -l 1310718 external_iscsi -n srv

and finally create a filesystem:
mkfs.ext3 -m 1 /dev/external_iscsi/srv

All of this works well and I can mount the filesystem just fine.

When I reboot it all goes to hell. I see iscsi logging into the lefthand
box and it reports success.

and if I run vgdisplay I get:
 vgdisplay external_iscsi
  --- Volume group ---
  VG Name               external_iscsi
  System ID             
  Format                lvm2
  Metadata Areas        2
  Metadata Sequence No  2
  VG Access             read/write
  VG Status             resizable
  MAX LV                0
  Cur LV                1
  Open LV               0
  Max PV                0
  Cur PV                2
  Act PV                2
  VG Size               5.00 TB
  PE Size               4.00 MB
  Total PE              1310718
  Alloc PE / Size       1310718 / 5.00 TB
  Free  PE / Size       0 / 0   
  VG UUID               vLGcVU-cAj0-Z7Ox-EcYF-bx5e-fMWs-9wGh3t


however, there's no /dev/ entry for /dev/external_iscsi

Can someone tell me what I'm missing?

Cheers,
Harry






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