EMC CLARiiON AX150 Series Guía de instalación descargar pdf (Pagina 22)

Technical notes

EMC AX150-Series Integrated Management Software Release Notes

Technical notes

This section contains information that will help with the installation, use,

and management of the storage system. It provides generic information

that applies to all platforms as well as platform-specific information.

AX150SC, AX150SCi, AX150, and AX150i notes

SP startup

For dual-SP storage systems (AX150 or AX150i), EMC recommends that

you reboot an SP only during periods of low I/O activity. If the server

does not have at least one path to each SP, we recommend stopping

server I/O. For a single-SP storage system (AX150SC or AX150SCi), stop

all I/O to the storage system.

Returning a storage system to an uninitialized state

To return an AX150 storage system to the uninitialized state (no

management passwords, able to change management IP addresses) go to

the AX150 support website and choose Get Service & Support >

Frequently Asked Questions.

Event log entries appear out of order

FLARE OE software may not always enter items into the event log in the

order in which they occurred. This happens only when several events

occur at approximately the same time. The time stamps are correct.

Hot spare ownership

Once a hot spare is assigned to a degraded virtual disk, that virtual disk

owns it until either the virtual disk is repaired and the equalize

operation completes, or the virtual disk is destroyed. If the virtual disk is

accidentally double-faulted because you removed the wrong disk

module during repair, then re-inserting the incorrectly removed disk

module should cause the virtual disk to return to its original state

(including continued operation with the hot spare engaged).

Disk module insertion and removal

When inserting or removing more than one disk module from a storage

system, you must pause between each removal or insertion to allow the

storage system to recover. Before inserting or removing the next disk

module you should make sure that:

 A newly inserted disk module's amber light is off and its blue light

has returned to a normal state: on or blinking due to I/O in progress.

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EMC CLARiiON AX150 Series Guía de instalación Pagina 22