HP 12000 HP StorageWorks 12000 Gateway Virtual Library System User Guide (AH81 - Page 224

drives are added or removed, re-enable RSM polling. If tape

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Symptom Possible causes 224 Troubleshooting Solution Refer to the Microsoft website at: http://support.microsoft.com/ default.aspx?scid= kb;en-us;842411 or complete the following steps to disable RSM polling: 1. Install the 1.0.4.0 or later driver. 2. Disable device polling in the system registry. • Establish a CLI session. • Log into the system as Administrator. • Run RegEdit and navigate to the following registry: HKEY_LOCAL_MACHINE\ SYSTEM\CurrentCon- trolSet\Services\ hplto. • To disable RSM polling, edit the AutoRun value found in this key. A value of 0 (zero) indicates that polling is disabled; a value of 1 indicates that polling is enabled. 3. After completing steps 1 and 2, reboot the affected system. 4. Repeat this procedure for every server visible to tape drives. IMPORTANT: Adding or removing tape drives may cause an older driver .inf file to be reread, which can re-enable RSM polling. If tape drives are added or removed, check the registry for proper configuration. If necessary, repeat step 2 and 3 above. To disable polling in the HP SDLT driver (v3.0.2.0 or later): 1. Open the Device Manager on the server connected to the tape drive. 2. Double-click an SDLT tape drive. 3. Click the DLT tab. 4. Check Increase performance by disabling sup- port for Microsoft Backup Utility.

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Solution
Possible causes
Symptom
Refer to the Microsoft website at:
h
t
tp://su
ppo
r
t
.mi
c
r
o
s
o
f
t
.co
m/
de
f
a
ult
.a
s
p
x?s
c
i
d=
kb;e
n
-u
s;8
4
2
411
or complete the
following steps to disable RSM
polling:
1.
Install the 1.0.4.0 or later
driver.
2.
Disable device polling in the
system registry.
•
Establish a CLI session.
•
Log into the system as
Ad-
ministrator
.
•
Run
RegEdit
and navigate
to the following registry:
HKEY_LOCAL_MACHINE\
SYSTEM\CurrentCon-
trolSet\Services\
hplto.
•
To disable RSM polling,
edit the
AutoRun
value
found in this key. A value
of
0
(zero) indicates that
polling is disabled; a value
of
1
indicates that polling
is enabled.
3.
After completing steps 1 and
2, reboot the affected system.
4.
Repeat this procedure for
every server visible to tape
drives.
IMPORTANT:
Adding or removing tape drives
may cause an older driver .inf
file to be reread, which can
re-enable RSM polling. If tape
drives are added or removed,
check the registry for proper
configuration. If necessary,
repeat step 2 and 3 above.
To disable polling in the HP SDLT
driver (v3.0.2.0 or later):
1.
Open the Device Manager on
the server connected to the
tape drive.
2.
Double-click an SDLT tape
drive.
3.
Click the DLT tab.
4.
Check
Increase perform-
ance by disabling sup-
port for Microsoft
Backup Utility
.
Troubleshooting
224