EMC CLARiiON AX150 Series Guía de instalación descargar pdf (Pagina 23)

Technical notes

EMC AX150-Series Integrated Management Software Release Notes

 On a disk module removal, the blue lights for the other disk modules

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

 The storage system appears to have resumed normal operation.

Database disk module replacement

You should replace disk module 0, 1 or 2 only when the storage system

is fully operational. The disk modules in these slots are FLARE OE

database disk modules. Each database disk module contains an image of

the storage-system configuration and current operating status. FLARE

OE software ensures that the newly inserted disk module has the correct

database information copied to it when it is installed while the storage

system is running. If you insert a disk module into one of these slots

when the storage system is powered off, the correct FLARE OE database

information is not written to the replaced database disk module. As a

result, storage-system configuration problems may occur when the

storage system is powered up or if another database disk module fails. If

you install a FLARE OE database disk module and you find that existing

virtual disks are not enabled, contact your service provider.

Software image disk module replacement

The FLARE software image is stored on disk modules 0 and 2 for the

AX150SC and AX150SCi and disk modules 0, 1, 2 and 3 for the AX150

and AX150i. Disk modules 0 and 2 mirror the software for the AX150SC

and AX150SCi SP and for the AX150 and AX150i SP A. Disk modules 1

and 3 mirror the software for the AX150 and AX150i SP B. You should

never remove and/or replace both disk modules in one of the mirrors at

the same time. If you do, no software exists to support that SP, and the

SP becomes nonfunctional.

Navisphere Integrator management of non-AX150 CLARiiON storage

systems on the same subnet as AX150-series storage systems

If you install an AX150-series storage system on the same network as

other CLARiiON storage systems that you manage with Navisphere

Integrator, you must upgrade to Navisphere Integrator version 6.16 or

higher.

Linux server notes

Admsnap

Admsnap does not support Linux 2.2 kernels.

Snapshot management

The reboot of the Linux server may be slow if deactivated snapshots

exist. Activating the snapshots allows the reboot to complete normally.

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EMC CLARiiON AX150 Series Guía de instalación Pagina 23