XtremIO: Top Services Topics

This document contains the list of Top Services Topics for XtremIO, identified by EMC Support as the most trending topics for the month of September 2017:

It is recommended that you also check for important information such as advisories (ETAs, ESAs), and other key resources on the Support by Product pages on the EMC Online Support portal.

Unable to login XMS after upgrade to 6.0.1-30

RCM team upgraded the XMS to 6.0.1-30, then they couldn't access the XMS with putty. Error message reported when trying to connect it with putty: "server unexpectedly closed network connection" Then we tried some tests: 1. We logged into the XMS with XIO GUI successfully which proved that the XMS is accessible.


Latency or Lost SAN Connectivity Resulting From Cisco UCS FNIC and ENIC Issues

Hosts may lose connectivity or experience latency to the SAN fabric and devices on it, including storage arrays. It is highly recommended to engage Cisco for any situations where the hosts are showing log message such as those listed in the Issue section above.

XtremIO Health Check Script - Snapshots/ODX detected

Please note this is not an issue under the XtremIO cluster The XtremIO Health Check Script has detected that snapshots and/or ODX mechanism are in use


XtremIO XMS SSH User gives Permission Denied error on exit

When logging into the XMS CLI using a user-account that uses SSH Public Key authentication, it is not possible to log-out using the 'exit' command or 'Ctrl-D' option.

XtremIO: Repeating "The Storage Controller memory utilization is high" alerts

In the alert and/or event GUI tab, an IPMI alert is raised and remains outstanding 2017-04-23 10:33:11,020: XIO: Raised alert: "Storage Controller temperature IPMI information is unavailable."

XtremIO: VMware cannot see LUNs correctly if they are in multiple Storage Groups and the HLU does not match

How to make sure a LUN's Device ID or HLU Number is the same in multiple Initiator Groups? Troubleshooting LUNs that are present in more than one Initiator Group.


Using SCSI2 reservations may result in service disruption on XtremIO clusters

When using host-issued SCSI2 reservations, in rare cases, cluster service may be impacted during Online Cluster Expansion, Cluster Software Upgrade (NDU) or Storage Controller HA/FRU.

XtremIO Ambient Operating Temperature Explained

The operating temperature for an XtremIO cluster is specified as 10 o C/50 o F to 35 o C/95 o F. The non-operating temperature for an XtremIO cluster is specified as -20 o C/-4 o F to 50 o C/122 o F. A cluster operating outside this range may not function properly and can, in extreme cases, result in permanent damage

Volume size is not a multiple of 1024 bytes

When customer trying to modify the volume size to such as 2.3 GB, there is a error reported ' Volume size 2.3GB is not a multiple of 1024 bytes (1KB).


Note: Please click “Follow” at the top right of this screen (when logged in) to receive update notifications.