Edit An Iscsi Disk - Overland Storage SnapServer Administrator's Manual

SnapServer 7.0 Administrator's Guide
Setting Label
Enable Write Cache
Support Multiple
Initiators
Enable CHAP Logon
Step 2: If desired, enable CHAP authentication.
Check the Enable CHAP Logon box to display the hidden options. Enter a user name and
target secret (password) twice. Both are case-sensitive.
• The user name range is 1 to 223 alphanumeric characters.
• The target secret must be a minimum of 12 and a maximum of 16 characters.
Step 3: Confirm your settings.
Click the Create iSCSI Disk button. At the confirmation page, verify the settings and click
the Create iSCSI Disk button again. You are returned to the primary iSCSI page and the
new iSCSI disk is displayed in the table there with the following information:
Label
iSCSI Disk Name
Storage Pool/Volume
Status
Active Client
Authentication
Size

Edit an iSCSI Disk

NOTE: You cannot edit an iSCSI disk if an initiator is connected. The hostname and IQN name of
After disconnecting all client initiators, click the iSCSI disk name in the table on the
primary iSCSI page to display the iSCSI Disk Properties page. On this page, you can:
• Increase (but not decrease) the size of the iSCSI disk (if space remains).
• Enable or disable the write cache.
10400317-001 10/2011
Description of Options
Selected by default, the write cache option significantly enhances
performance. However, if a sudden, unexpected power outage occurs,
some data may be lost. For more information on how to treat this option,
see Write Cache Options with iSCSI
NOTE:
Check this box if you want your iSCSI Disk to allow multiple initiator
connections.
NOTE:
Select Enable CHAP Logon to enable CHAP authentication for access to
the iSCSI Disk. Enter a user name and target secret (password).
Currently, GuardianOS supports target CHAP authentication only.
Description
The name of the iSCSI disk.
The pool or volume on which the iSCSI disk was created.
Current condition of the iSCSI disk:
• OK – The iSCSI disk is online and accessible.
• Not Mounted – The iSCSI disk is offline.
The number of current sessions.
Either CHAP or none.
The size of the iSCSI disk.
all connected initiators are displayed in the table.
©2010-11 Overland Storage, Inc.
Disabling a write cache for an iSCSI Disk does not disable the
write cache for any other iSCSI Disk or any other resources on
the SnapServer. No active sessions can be connected to the
iSCSI disk when enabling or disabling the write cache.
Data corruption is possible if this option is checked. See
Multi-Initiator Support" on page 6-18
6 – Other Storage Options
Disks.
for more information.
"iSCSI
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