
19
Known problems and limitations
EMC AX150-Series Integrated Management Software Release Notes
Description Details
Drive letter mappings – Navisphere Express does
not correctly display drive letter mappings for all
virtual disks when you assign a large number of
virtual disks to a single server.
Frequency: Every Time (if you assign too many virtual
disks to the server)
Prevention/resolution: Either do not assign more than
30 virtual disks to the same server or assign all the
virtual disks you want to the server, and accept the fact
that there will be incorrect mapping of drive letters.
Write cache disabled – You may see this warning
message after you upgrade software.
Frequency
: Intermittent
Prevention/resolution
: It can take five minutes for the
write cache to become enabled after upgrading your
software, at which time the warning message should
disappear.
Downloading diagnostic files – Downloading
diagnostic files does not work correctly when
Navisphere Express is launched from an Internet
Explorer Revision 5.5 browser.
Frequency
: Every Time
Prevention/resolution
: Upgrade your Internet Explorer
browser software to a version higher than 5.5.
Software upgrade using Mozilla or Firefox web
browsers – An error message may be displayed
indicating that your security certificate contains the
same serial number as another certificate. (124170)
Frequency
: Intermittent
Prevention/resolution: Use browser options to delete
the certificate associated with the storage system and
restart the software upgrade.
SAN Copy - Clicking an item in the Assigned To list
in the Manage SAN Copy dialog causes you to be
redirected to the login screen. This occurs when the
link name contains the # character.
Frequency
: Every Time (if the # character exists in the
name)
Prevention/resolution
: Do not use the # character when
naming storage systems that will be used in SAN Copy
configurations.
Navisphere FA MIB problems
Description Detail
System URL – Storage systems that are being
managed with Navisphere Express do not return the
correct URL for the system URL OID of the FA MIB.
A null string is returned.
Frequency
: Every Time
Prevention/resolution
: Type the URL for the storage
system into your browser software manually.
Snapshot problems
Problem description Details
Navisphere Server Utility – Managing snapshots that
have the same name can result in unexpected
behavior in the Navisphere Server Utility.
Frequency
: Every time
Prevention/resolution
: Provide unique names for
snapshots that will be managed from a shared server.
Navisphere Express - Preparing multiple snapshots
simultaneously can result in an erroneous error
message indicating that you are out of disk space.
Frequency
: Intermittent
Prevention/resolution
: Wait until one snapshot has
transitioned to the Ready state before preparing the next
snapshot.
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