Mylex eXtremeRAID Guía de instalación descargar pdf (Pagina 77)

Configuration

Manual No. 771961 4-27

Advanced Controller Options (All External RAID Controllers)

Click the Advanced button in the Controller Options dialog box to inspect

and/or change additional External RAID Controller Options.

Figure 4-25. Advanced Controller Options Dialog Box

In the Advanced Controller Options dialog box (Figure 4-25), you have the

option to do any of the following:

• Set the following limits:

• Queue Limit. Maximum allowed queue depth for tagged commands

to each attached drive. Settings are from 1 (no tags) to 230.

• MAXIOPs Limit. Sets maximum number of IOP structures allowed

for controller command operations, limiting the number of

simultaneous commands. Settings are from 64 to 244.

• Enable (by checking) or disable (by unchecking) any of the following

options:

• Conservative Cache Mode. Turns off write cache while a failover

condition persists, allowing an extra degree of data safety.

• SAF-TE Use of UPS. Enables monitoring of uninterruptable power

supply if it is also supported by the system enclosure.

• Restrict Reassign to One Block. Restricts a reassign to the failing

block. If disabled, reassigns will be for the entire current I/O blocks,

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Mylex eXtremeRAID Guía de instalación Pagina 77