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Anleitung Zusammenfassung
NOTE:
HP recommends that you do not mix switch firmware versions in your SAN. It is considered a best
practice to uniformly upgrade all switches in the SAN.
Multiple-path support
Linux with EVA storage requires the installation of StorageWorks Secure Path or Multipathing software to
achieve high-availability, multiple-path capability.
For detailed multipathing information, refer to the HP StorageWorks using the QLogic 7.05.00 and
8.00.02 driver for single-path or multi-path failover mode on Linux systems application note.
NOTE:
SLES8 with kernels 198 and 215 is not supported with Secure Path. Refer to your HP representative for
specific Secure Path or multiple-path configuration information.
Operating constraints
You can find operating constraints specific to the EVA hardware and HP StorageWorks Command View
EVA in their respective release notes.
Storage System Scripting Utility for EVA
The Storage System Scripting Utility (SSSU) communicates directly with the Command View EVA. See the
HP StorageWorks Linux connectivity for the Enterprise Virtual Array installation and reference guide for
more information about SSSU.
Avoiding problem situations
The following sections describe problems that may arise and their solutions.
Known problems
You can find problems specific to the EVA hardware and Command View EVA in their respective release
notes.
QLogic failover preference
If you are using the built-in failover functionality of the QLogic driver 7.00.03 or later, set the failover
preference to Path A Failover or Path B Failover in the Management Appliance host settings. Failure to do
so can cause I/O errors when a failover occurs.
Codeload usage
When a maximally configured system is running at maximum load, codeload functionality is not effective
due to Secure Path timing constraints. The system may time-out before codeload is complete. Therefore,
you should always perform VCS upgrades at an off-peak time.
SSSU
Changing comments on a disk enclosure
Use Command View EVA to change comments on a disk enclosure. If you try to change a disk enclosure
comment using SSSU, the following error message appears:
Error:
Invalid Operation
Linux connectivity 3.0H for the 3000/5000 Enterprise Virtual Array release notes
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Media Storage - HP StorageWorks EVA3000 EMEA Bundles (102.39 kb)