Defining shredding conditions – HP XP7 Storage User Manual
Page 11
2.
Define the shredding settings.
Refer to
“Defining shredding conditions” (page 11)
, select the Data Pattern (User Setting) list
and Random Data, then click Add eight times.
3.
Erase the volume data.
Refer to
“Defining shredding conditions” (page 11)
for procedures on erasing the volume
data.
4.
Repeat steps 2 and 3, three more times, clicking Add three times.
Defining shredding conditions
Configure data overwrite patterns and the number of overwrite passes in the Shredding Data
Pattern window. By default the number of overwrite passes is three; but you can change this number
from three to up to eight times. The system keeps user-specified settings while the Shred LDEVs
window is open.
You must have the Storage Administrator (Provisioning) role to perform this task.
1.
Choose from one of the following steps:
•
To display the LDEVs tab, in the Storage Systems tree, select Parity Groups, Internal, or
External, and then select the parity group that contains the volume you want to shred.
•
To display the LDEVs tab, in the Storage Systems tree, select Logical Devices.
•
To display the Virtual Volumes tab, in the Storage Systems tree, select Pool, and then
select the pool that contains the virtual volume you want to shred.
•
To display the Parity Groups tab, in the Storage Systems tree, select Parity Groups,
Internal, or External, and then select the parity group that contains the volume you want
to shred.
2.
Select the volume or parity group, and then display the Shred LDEVs window with operating
one of the following steps:
•
Click Shred LDEVs.
•
Click More Actions, then select Shred LDEVs.
•
Click Actions, select Logical Device, then select Shred LDEVs.
3.
Click Edit Data Pattern.
The Edit Shredding Data Pattern window opens.
4.
To use the default value, click the Default Pattern (00-FF-00) radio button, and click OK. To
specify custom settings, click the Data Pattern (User Setting) radio button and continue to the
next step.
CAUTION:
For FMDs, make sure you select Random Data as the specified Data Pattern.
5.
To use the random data setting, select the Random Data radio button, and click Add. Random
numbers are added in the Data Pattern (User Setting) table. To close the Edit Shredding Data
Pattern window, click OK.
6.
Specify the data pattern and then click OK. Click the Define Data radio button, and then enter
a number that you want to use as dummy data in the text box, and click Add. You can enter
Defining shredding conditions
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