QNAP TVS-472XT 4-Bay NAS Enclosure User Manual

Page 160

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a. On the other NAS, go to Storage & Snapshots > Storage > Disks/VJBOD .

b. Click Create, and then select Create Virtual JBOD.

The Create Virtual JBOD Disk Wizard opens.

a. Click Next.

b. Specify the IP address or hostname of the remote NAS.

c. Specify the admin password of the remote NAS.

d. Optional: Specify the system administration port of the remote NAS.

Tip

The default port is 8080. If HTTPS is enabled, the default port is 443.

e. Click Next.

f. Optional: Select the local interface that will be used by VJBOD.

g. Optional: Select the remote interface that will be used by VJBOD.

h. Optional: Select Use iSER when available.

Enabling iSER increases data transfer speeds and reduces CPU and memory load.

i. Click Next.

j. Select Choose an existing iSCSI LUN on the selected NAS.

k. Click Next.

l. Select the LUN containing the VJBOD disk.

m. Click Next.

n. Optional: Enable CRC checksums.

Initiators and targets communicate over TCP connections using iSCSI protocol data units (PDU).

The sending device can send a checksum with each PDU. The receiving device uses this checksum

to verify the integrity of the PDU, which is useful in unreliable network environments. There are

two checksum types, which can be enabled separately.

Checksum Type

Description

Data Digest

The checksum can be used to verify the data portion of the PDU.

Header Digest

The checksum can be used to verify the header portion of the

PDU.

o. Click Next.

p. Review the summary, and then click Next.

QTS creates a VJBOD disk using the LUN. The disk appears at Storage & Snapshots > Storage >

Disks/VJBOD .

q. In the actions list, select Recover Existing Data.

r. Click Finish.

QTS scans for and restores any storage pools, volumes, and LUNs on the VJBOD disk.

QTS 4.4.x User Guide

Storage & Snapshots

159

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