flakey perc6 output/nagios checks

[Dan Simoes]

At my day job, we use a lot of Dell servers.
The platform I'm about to describe is R900s with both Perc6e and Perc6i,
running CentOS 5.2.

We did the "official" OMSA install, and I then added in the nagios checks
(check_om_chassis and check_om_storage).
Everything went swimmingly for a couple of months, but we're now seeing a
rash of nagios check errors on the storage.
I've checked the plugins in verbose mode, and it doesn't appear that it's
the plugins, but rather, omreport that is causing the error (or at least
reporting it).

For example:
[dan at leia ~]$ omreport storage pdisk controller=1
List of Physical Disks on Controller PERC 6/i Integrated (Embedded)

Controller PERC 6/i Integrated (Embedded)
ID                        : 0:0:0
Status                    : Ok
Name                      : Physical Disk 0:0:0
State                     : Online
Failure Predicted         : No
Progress                  : Not Applicable
Type                      : SAS
Capacity                  : 136.13 GB (146163105792 bytes)
Used RAID Disk Space      : 136.13 GB (146163105792 bytes)
Available RAID Disk Space : 0.00 GB (0 bytes)
Hot Spare                 : No
Vendor ID                 : DELL
Product ID                : ST3146356SS
Revision                  : HS09
<truncated>

But for controller 0, the Perc6e:
[dan at leia ~]$ omreport storage pdisk controller=0
Entity: line 20: parser error : CharRef: invalid decimal value
<Vendor type="astring">DELL&#-103;   </Vendor>
                             ^
Entity: line 20: parser error : xmlParseCharRef: invalid xmlChar value 0
<Vendor type="astring">DELL&#-103;   </Vendor>
                             ^
Entity: line 59: parser error : CharRef: invalid decimal value
<Vendor type="astring">DELL&#-103;   </Vendor>
                             ^
Entity: line 59: parser error : xmlParseCharRef: invalid xmlChar value 0
<Vendor type="astring">DELL&#-103;   </Vendor>
                             ^
Entity: line 99: parser error : CharRef: invalid decimal value
<Vendor type="astring">DELL&#-103;   </Vendor>
                             ^
Entity: line 99: parser error : xmlParseCharRef: invalid xmlChar value 0
<Vendor type="astring">DELL&#-103;   </Vendor>
<truncated>

All controllers are on the latest firmware, the operating system is updated,
etc.
Ring any bells?

Thanks.

Dan
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