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28 R/Evolution 2730 Release Notes for Software Version J200R05 • October 2007

Snapshot Configuration

The basic snapshot license that comes with the R/Evolution 2730 provides a

maximum of 16 snapshots. An optional license can be purchased that expands this

capability to a maximum of 64 snapshots. When you purchase this license, you

receive a license key along with instructions for installing it. The instructions can be

found in a document called Obtaining and Installing the License Certificate File,

part number 83-00004343. This document is available in the R/Evolution 2000

Series Current Documentation section at

http://crc.dothill.com.

Table 16 lists maximum snapshot parameters supported by the J200R05 software.

Actual supported parameters depend on purchased licenses and the options made

available by OEM partners.

Note – If you have purchased and installed the optional software license to

maximize the number of available snapshots, the license key you install is based on

your enclosure’s chassis midplane serial number. If you subsequently replace the

enclosure or chassis FRU, your snapshot functionality will revert to the default

values. To regain the optional functionality you purchased, you will need to install a

new license. When you send in your defective enclosure or chassis FRU with a

Returned Merchandise Authorization (RMA), you will receive the information you

need to install the new license.

Table 16 Snapshot Default and Maximum Values

Snapshot Parameter Default Value

Snapshots, per system 16 default, 64 with purchase of optional

software license

Maximum number of master volumes, per controller 16

Maximum number of snap pools, per controller 16

Warning threshold (snap pool 75% full) 75%

Error threshold (snap pool 90% full) 90%

Critical threshold (snap pool 99% full) 99%

Warning Policy Notify Only, not settable

Error policy Delete Oldest

Critical policy Delete All Snapshots

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Seagate ST3250824NS Guía para resolver problemas Pagina 28