EMC AX100 Release Notes - Page 24

Known problems and limitations Description 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. Write cache disabled - You may see this warning message after you upgrade software. Downloading diagnostic files - Downloading diagnostic files does not work correctly when Navisphere Express is launched from an Internet Explorer Revision 5.5 browser. 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) SAN Copy - Clicking an item in the Assigned To list in the Manage SAN Copy dialog box causes you to be redirected to the Login screen. This occurs when the link name contains the # character. Details 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. Frequency: Intermittent Prevention/resolution: It can take five minutes for the write cache to become available after upgrading your software, at which time the warning message should disappear. Frequency: Every Time Prevention/resolution: Upgrade your Internet Explorer browser software to a version higher than 5.5. Frequency: Intermittent Prevention/resolution: Use browser options to delete the certificate associated with the storage system and restart the software upgrade. 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. Snapshot problems Description Details 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. Providing access to a snapshot on the secondary server can take up to 30 seconds. This issue has been seen only on Windows Server 2003 servers running PowerPath MPIO attached to an iSCSI AX-series storage system. (124230) Frequency: Every Time Prevention/resolution: None. Snapshot operations performed by the server utility will fail if the virtual disk name contains non-English characters. Frequency: Every time Prevention/resolution: Use English characters when naming virtual disks if you will be using the snapshot feature. Unable to start a snapshot from the server utility. Frequency: Infrequent Prevention/resolution: Run the server utility from its installation folder/directory. 24 EMC AX100-Series Integrated Management Software Release Notes