HP StorageWorks 9030 VLS9200 user guide (BW402-10009, August 2012) - Page 224

Solution, Possible causes, Symptom, Device & Media, Properties, Control, Barcode reader support

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Symptom Netbackup does not display the cartridge barcodes for Autoloader library emulations on the VLS. HP Data Protector 5.1 does not display the VLS cartridge barcodes. Possible causes Real autoloader libraries do not support barcodes. Solution This is normal and will not cause problems. By default, the barcode reader support To turn on barcode reader support in is turned off in Data Protector 5.1. Data Protector: 1. Click Device & Media. 2. Right-click the VLS library name and select Properties. 3. Click the Control tab. 4. Click the Barcode reader support box to select it. VLS performance is being reduced by The Removable Storage Manager or test unit ready (TURs) from a Windows Removable Storage program on a host with access to the VLS. Windows host is submitting TURs to the VLS. Stop the Removable Storage Manager or Removable Storage program, and set the startup type to Disabled on the Windows host using the Services utility located under Control Panel > Administrative Tools. VLS performance is being reduced by Windows Removable Storage Refer to the Microsoft website at: frequent tape drive polling. Manager service (RSM) polls tape http://support.microsoft.com/ drives on a frequent basis-every default.aspx?scid=kb;en-us;842411 or three seconds in Microsoft Windows complete the following steps to disable 2000, and every second in Windows RSM polling: Server 2003. Windows' built-in backup software (NTBACKUP) relies on the RSM polling to detect media changes in the tape drive. In SAN configurations, this RSM polling can 1. Install the 1.0.4.0 or later driver. 2. Disable device polling in the system registry. • Establish a CLI session. have a significant negative impact on tape drive performance. For SAN configurations, HP strongly recommends disabling RSM polling. • Log into the system as Administrator. • Run RegEdit and navigate to the following registry: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\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. 224 Troubleshooting

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Solution
Possible causes
Symptom
This is normal and will not cause
problems.
Real autoloader libraries do not
support barcodes.
Netbackup does not display the
cartridge barcodes for Autoloader
library emulations on the VLS.
To turn on barcode reader support in
Data Protector:
By default, the barcode reader support
is turned off in Data Protector 5.1.
HP Data Protector 5.1 does not
display the VLS cartridge barcodes.
1. Click
Device & Media
.
2. Right-click the VLS library name and
select
Properties
.
3. Click the
Control
tab.
4. Click the
Barcode reader support
box
to select it.
Stop the Removable Storage Manager
or Removable Storage program, and
The Removable Storage Manager or
Removable Storage program on a
VLS performance is being reduced by
test unit ready (TURs) from a Windows
host with access to the VLS.
set the startup type to Disabled on the
Windows host is submitting TURs to
the VLS.
Windows host using the Services utility
located under Control Panel >
Administrative Tools.
Refer to the Microsoft website at:
h
t
tp://su
ppo
r
t
.mi
c
r
o
s
o
f
t
.co
m/
Windows Removable Storage
Manager service (RSM) polls tape
VLS performance is being reduced by
frequent tape drive polling.
de
f
a
ult
.a
s
p
x?s
c
i
d=kb;e
n
-u
s;8
4
2
4
1
1
or
drives on a frequent basis—every
complete the following steps to disable
RSM polling:
three seconds in Microsoft Windows
2000, and every second in Windows
Server 2003. Windows’ built-in
1.
Install the 1.0.4.0 or later driver.
backup software (NTBACKUP) relies
2.
Disable device polling in the system
registry.
on the RSM polling to detect media
changes in the tape drive. In SAN
•
Establish a CLI session.
configurations, this RSM polling can
have a significant negative impact on
•
Log into the system as
Administrator
.
tape drive performance. For SAN
configurations, HP strongly
recommends disabling RSM polling.
•
Run
RegEdit
and navigate to
the following registry:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\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.
224
Troubleshooting