[dm-devel] blacklisted paths?

[Ray Stell]

I'm not able to get all "available" paths, 13 out of the 16 this time.  Sometimes
14 come up.   Why might these get blacklisted?  Thanks.

boot msgs:
----------
Sep 19 16:44:32 pecan kernel: qla2300 0000:01:07.0: scsi(0:0:0:0): Enabled tagged queuing, queue depth 32.
Sep 19 16:44:32 pecan kernel: qla2300 0000:01:07.0: scsi(0:0:0:1): Enabled tagged queuing, queue depth 32.
Sep 19 16:44:32 pecan kernel: qla2300 0000:01:07.0: scsi(0:0:0:2): Enabled tagged queuing, queue depth 32.
Sep 19 16:44:32 pecan kernel: qla2300 0000:01:07.0: scsi(0:0:0:3): Enabled tagged queuing, queue depth 32.
Sep 19 16:44:32 pecan kernel: qla2300 0000:01:07.0: scsi(0:0:1:0): Enabled tagged queuing, queue depth 32.
Sep 19 16:44:32 pecan kernel: qla2300 0000:01:07.0: scsi(0:0:1:1): Enabled tagged queuing, queue depth 32.
Sep 19 16:44:32 pecan kernel: qla2300 0000:01:07.0: scsi(0:0:1:2): Enabled tagged queuing, queue depth 32.
Sep 19 16:44:32 pecan kernel: qla2300 0000:01:07.0: scsi(0:0:1:3): Enabled tagged queuing, queue depth 32.
Sep 19 16:44:32 pecan kernel: qla2300 0000:01:0a.0: scsi(1:0:0:0): Enabled tagged queuing, queue depth 32.
Sep 19 16:44:32 pecan kernel: qla2300 0000:01:0a.0: scsi(1:0:0:1): Enabled tagged queuing, queue depth 32.
Sep 19 16:44:33 pecan kernel: qla2300 0000:01:0a.0: scsi(1:0:0:2): Enabled tagged queuing, queue depth 32.
Sep 19 16:44:34 pecan kernel: qla2300 0000:01:0a.0: scsi(1:0:0:3): Enabled tagged queuing, queue depth 32.
Sep 19 16:44:35 pecan kernel: qla2300 0000:01:0a.0: scsi(1:0:1:0): Enabled tagged queuing, queue depth 32.
Sep 19 16:44:35 pecan kernel: qla2300 0000:01:0a.0: scsi(1:0:1:1): Enabled tagged queuing, queue depth 32.
Sep 19 16:44:35 pecan kernel: qla2300 0000:01:0a.0: scsi(1:0:1:2): Enabled tagged queuing, queue depth 32.
Sep 19 16:44:35 pecan kernel: qla2300 0000:01:0a.0: scsi(1:0:1:3): Enabled tagged queuing, queue depth 32.

devmaps:
--------
[root at pecan ~]# multipath -ll
1IBM_____2105____________30A22206
[size=19 GB][features="0"][hwhandler="0"]
\_ round-robin 0 [active]
  \_ 0:0:0:1 sdb  8:16    [ready ][active]
  \_ 1:0:0:1 sdj  8:144   [ready ][active]
  \_ 1:0:1:1 sdn  8:208   [ready ][active]

1IBM_____2105____________50A22206
[size=19 GB][features="0"][hwhandler="0"]
\_ round-robin 0 [active]
  \_ 0:0:0:0 sda  8:0     [ready ][active]
  \_ 0:0:1:0 sde  8:64    [ready ][active]
  \_ 1:0:0:0 sdi  8:128   [ready ][active]

1IBM_____2105____________72622206
[size=19 GB][features="0"][hwhandler="0"]
\_ round-robin 0 [active]
  \_ 0:0:0:2 sdc  8:32    [ready ][active]
  \_ 0:0:1:2 sdg  8:96    [ready ][active]
  \_ 1:0:0:2 sdk  8:160   [ready ][active]
  \_ 1:0:1:2 sdo  8:224   [ready ][active]

1IBM_____2105____________72722206
[size=19 GB][features="0"][hwhandler="0"]
\_ round-robin 0 [active]
  \_ 0:0:0:3 sdd  8:48    [ready ][active]
  \_ 1:0:0:3 sdl  8:176   [ready ][active]
  \_ 1:0:1:3 sdp  8:240   [ready ][active]

The devs that fall out have been blacklisted:
---------------------------------------------
[root at pecan ~]# multipath  -v3 -d | grep blacklist
dm-0 blacklisted
dm-1 blacklisted
dm-2 blacklisted
dm-3 blacklisted
dm-4 blacklisted
dm-5 blacklisted
fd0 blacklisted
hda blacklisted
hdb blacklisted
hdc blacklisted
md0 blacklisted
ram0 blacklisted
ram10 blacklisted
ram11 blacklisted
ram12 blacklisted
ram13 blacklisted
ram14 blacklisted
ram15 blacklisted
ram1 blacklisted
ram2 blacklisted
ram3 blacklisted
ram4 blacklisted
ram5 blacklisted
ram6 blacklisted
ram7 blacklisted
ram8 blacklisted
ram9 blacklisted
sdf blacklisted
sdh blacklisted
sdm blacklisted

environment:
 - rhas4 U2 Beta - Linux pecan 2.6.9-16.EL #1 Mon Aug 15 19:58:49 EDT 2005 i686 i686 i386 GNU/Linux
 - multipath-tools-0.4.5.49. compiled from ftp://sources.redhat.com/pub/dm/multipath-tools
    one-off patch of mpath_faker.c
 - 2 QLogic PCI to Fibre Channel Host Adapters for QLA2340:
   Firmware version 3.03.15 IPX, Driver version 8.01.00b5-rh2
 - IBM ESS 2105F20 4 paths
============================================================
Ray Stell  stellr at vt.edu  (540) 231-4109  Tempus fugit  28^D