Dell VNXe3300 VNXe Service Commands Technical Notes - Page 11

Table 1., Terminology

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Audience Terminology VNXe storage system administrators, EMC, EMC partner field, service personnel and support personnel. The Service Commands run on the VNXe's Linux operating environment. You need to be familiar with the Linux shell, your VNXe's installed hardware, and the VNXe's operating environment to use these commands. Additional information that may be helpful when using these commands can be found in www.emc.com/vnxesupport. This paper includes the following terminology. Table 1. Terminology Term Admin user Backend Repository Boot Counters ConnectEMC Disk Processor Enclosure (DPE) EMC Secure Remote Support (ESRS) Normal Mode Definition The "admin" account has the ability to manage and configure servers as well as provision the storage system. This account is the only default user that may log in to Unisphere in Normal Mode. A portion of the first four drives in the DPE are dedicated to VNXe system space. A section of this space is the backend repository, which is dedicated to maintaining known good images of VNXe software. Boot counters are a troubleshooting mechanism designed into the VNXe architecture to help pinpoint the specific cause of software or hardware events during the boot sequence. If a problem with software or hardware components is detected by the VNXe system, its corresponding Boot Counter is incremented. If a counter reaches a predefined threshold, the SP boots into Service Mode during its next boot cycle. See svc_diag for troubleshooting steps. A component of the EMC internal-standard GlobalServices-approved solution for transporting event data from an EMC product to EMC support. ConnectEMC simplifies and standardizes the method that EMC products utilize to transport event files-error, informational, configuration, and others-from a service workstation to EMC support systems. A DPE is a physical, rack-mountable enclosure that includes one or two SPs, power supplies, and at least four drives. ESRS IP Solution (ESRS IP) provides a secure, IP-based, distributed support solution for command, control, and visibility into a system by an authorized remote support representative. Standard operational mode for a VNXe system A user can manage and configure servers as well as provision storage. User data is accessible while the system is in Normal Mode. VNXe Service Commands 11

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11
VNXe Service Commands
VNXe storage system administrators, EMC, EMC partner field, service personnel and
support personnel.
The Service Commands run on the VNXe’s Linux operating environment. You need to
be familiar with the Linux shell, your VNXe’s installed hardware, and the VNXe’s
operating environment to use these commands.
Additional information that may be helpful when using these commands can be
found in
www.emc.com/vnxesupport
.
This paper includes the following terminology.
Table 1.
Terminology
Term
Definition
Admin user
The “admin” account has the ability to manage and
configure servers as well as provision the storage system.
This account is the only default user that may log in to
Unisphere in Normal Mode.
Backend Repository
A portion of the first four drives in the DPE are dedicated
to VNXe system space. A section of this space is the
backend repository, which is dedicated to maintaining
known good images of VNXe software.
Boot Counters
Boot counters are a troubleshooting mechanism designed
into the VNXe architecture to help pinpoint the specific
cause of software or hardware events during the boot
sequence. If a problem with software or hardware
components is detected by the VNXe system, its
corresponding Boot Counter is incremented. If a counter
reaches a predefined threshold, the SP boots into Service
Mode during its next boot cycle. See svc_diag for
troubleshooting steps.
ConnectEMC
A component of the EMC internal-standard Global-
Services-approved solution for transporting event data
from an EMC product to EMC support. ConnectEMC
simplifies and standardizes the method that EMC
products utilize to transport event files—error,
informational, configuration, and others—from a service
workstation to EMC support systems.
Disk Processor Enclosure
(DPE)
A DPE is a physical, rack-mountable enclosure that
includes one or two SPs, power supplies, and at least four
drives.
EMC Secure Remote Support
(ESRS)
ESRS IP Solution (ESRS IP) provides a secure, IP-based,
distributed support solution for command, control, and
visibility into a system by an authorized remote support
representative.
Normal Mode
Standard operational mode for a VNXe system A user can
manage and configure servers as well as provision
storage. User data is accessible while the system is in
Normal Mode.
Audience
Terminology