Seagate ST3250824NS Instrukcja Użytkownika Pobierz pdf (Strona 19)

Release Notes 19

For example, with 500 Gbyte drives, you can build a 15 Tbyte virtual disk: RAID

50, 32 drives, 30 data disks, 2 parity disks, or 30 * 0.5 Tbytes = 15 Tbytes.

Snapshot Configuration

The maximum number of snapshots varies with hardware and software

configurations. Check with your vendor for the configuration limits. Table 12 lists

the default values.

Table 11 Maximum Drives in a Virtual Disk

RAID Level Maximum Drives

NRAID 1

0, 3, 5 16

10 16

50 32

Table 12 Default Values for Snapshots

Snapshot Parameter Default Value

Maximum number of snapshots, per

controller

8, may be set lower or limited by licenses

Snapshots per master volume, per

controller

8, may be set lower or limited by licenses

Maximum number of master volumes,

per controller

Maximum number of backing stores, per

controller

Warning threshold 75

Error threshold 90

Critical threshold 99

Warning Policy Notify Only, not settable

Error policy Delete Oldest

Critical policy Delete All Snapshots

1 2 ... 14 15 16 17 18 19 20 21 22 23 24 ... 27 28

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Seagate ST3250824NS Instrukcja Użytkownika Strona 19