[Bug 927540] Re: multipath ignores blacklist in multipath.conf

[gheeke]

At the moment i've no Ubuntu 12.04 Testmachine at hand. ASAP I'll try
your suggestions. But I don't think, that this is the problem. My Dell
Controller has the following wwid:

36782bcb070070100166a7a1640a66db2 dm-0 DELL,PERC 6/i
size=136G features='0' hwhandler='0' wp=rw

In the Blacklist that wwid is explicitly listed:

blacklist {
        wwid 36782bcb070070100166a7a1640a66db2
...

Although the Controller is still listed.

In the Red Hat Documenation (http://docs.redhat.com/docs/en-
US/Red_Hat_Enterprise_Linux/6/html/DM_Multipath/device_type_blacklist.html)
they use also * as wildcard for multiple matches:

blacklist {
       device {
               vendor  "IBM"
               product "3S42"       #DS4200 Product 10
       }
       device {
               vendor  "HP"
               product "*"
       }
}

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https://bugs.launchpad.net/bugs/927540

Title:
  multipath ignores blacklist in multipath.conf

Status in “multipath-tools” package in Ubuntu:
  Confirmed

Bug description:
  Multipath in Ubuntu 12.04 ignores blacklist settings in multipath.conf

  In multipath.conf the following blacklist is configured:

  
  blacklist {
          wwid 36782bcb070070100166a7a1640a66db2
          devnode "^(ram|raw|loop|fd|md|dm-|sr|scd|st)[0-9]*"
          devnode "^hd[a-z][[0-9]*]"
          devnode "^vd[a-z]"
          devnode "^cciss!c[0-9]d[0-9]*[p[0-9]*]"
          device {
                  vendor "DELL*"
                  product "PERC*"
          }
          device {
                  vendor  "*"
                  product "Universal Xport"
          }
          device {
                  vendor  "*"
                  product "MD3000"
          }
          device {
                  vendor  "*"
                  product "MD3000i"
          }
          device {
                  vendor  "*"
                  product "Virtual Disk"
          }
  }

  Still multipath -ll lists the internal SAS HDD (via Dell Perc 6/i
  Controller):

  ...
  36782bcb070070100166a7a1640a66db2 dm-0 DELL,PERC 6/i
  size=136G features='0' hwhandler='0' wp=rw
  `-+- policy='round-robin 0' prio=1 status=active
    `- 2:2:0:0  sda  8:0    active ready running
  ...

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