Netgear RD521210 – ReadyDATA 5200 12TB SATA Bundle includes RD5200 with 2 x RD5D6LT01 Disk Packs 사용자 가이드

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To maintain consistent storage performance, do not exceed 80 percent capacity 
usage of a storage volume. If the volume capacity exceeds 80 percent and data 
on the volume is updated frequently, the volume performance might degrade 
because the ReadyDATA system must spend more time to find unused space on 
disks to write new data. Furthermore, the system writes new data using 
noncontiguous disk sectors, causing fragmentation, which reduces the read 
performance.
If a volume approaches 80 percent used capacity, add more disk capacity by 
using ReadyDATA instant volume expansion, which lets you insert disks and add 
them to an existing volume without any downtime.

Log in to the ReadyDATA system using the default or your personalized 
login credentials. The Dashboard home screen displays.

Select System > Storage. The Storage screen displays.
The following figure shows two volumes, unused disks, and an optional 
expansion disk array. Used and free space display on the left of the screen.

The following table summarizes NETGEAR’s recommendation for specific 

storage applicati

ons. 

For any configuration, to maintain consistent performance, do not 

exceed 80 percent volume capacity utilization.

VMware ESXi

• For highest performance, use RAID 10 with 15k rpm SAS 

drives.

• For lower performance requirements, use hybrid storage 

(SATA drives in RAID 10 with SSD drive caching).

• For ease of management and snapshot efficiency, use 

NFS (rather than iSCSI) with replication.

• Compression is optional, but do not use deduplication for 

virtualization.

• Ensure that vStorage APIs for Array Integration (VAAI) are 

disabled on VMware servers.

Hyper-V, Citrix, KVM, and 
other hypervisors

• For highest performance, use RAID 10 with 15k rpm SAS 

drives.

• For lower performance requirements, use hybrid storage 

(SATA drives in RAID 10 with SSD drive caching).

• Use iSCSI with thin LUNs that have a block size of at least 

64 KB and match the block size with the formatted file 
system.

• Compression is optional, but do not use deduplication for 

virtualization or iSCSI applications.

Databases, mail servers 
(Exchange), and other 
performance-sensitive 
applications

File serving

• Use RAID 50 with disk groups that are no larger than six 

disks.

• For environments with a high number of concurrent users 

or connections, you can use hybrid storage (SATA drives 
with SSD drive caching).

• Compression is recommended.

Backup and video 
surveillance

• Use RAID 50 with disk groups that are no larger than nine 

disks.

• Compression is recommended.
• Enable deduplication only if you have installed a read 

cache SSD disk.

For more information about ReadyDATA performance, see the Volume 
Performance and Configuration on ReadyDATA Platforms white paper at

Thank you for selecting NETGEAR products.

To register your product, get the latest product updates, get support online, or for 
more information about the topics covered in this manual, visit the support 
website at 

Phone (US & Canada only): 1-855-RDYDATA (1-855-739-3282).

Phone (Other Countries): Check the list of phone numbers at

.

Warranty: 5 years with next business day hardware replacement included for the 
first 3 years.

NETGEAR offers the following ProSupport service packs:

PMB0314. OnCall 24x7, 1 year

PMB0334. OnCall 24x7, 3 years

PMB0354. OnCall 24x7, 5 years

PMPX1123. Extended next business day replacement

PSB0304. Professional setup and configuration (remote)

PSP1104. Professional setup and configuration (on-site)

PDR0134. Defective drive retention, 3 years

PDR0154. Defective drive retention, 5 years