Appendix A - Alerts

Failure Events

The following table summarizes the operation of the system in the presence of various failures.

Email refers to an email notification sent by the controller over the Ethernet interface to an assigned email address, SNMP refers to an SNMP trap sent by the controller over the Ethernet interface to a designated SNMP recipient and Event log refers to an event logged in the Alert Log in the Raidtec Manager Management Software.

FAILURE

FAILURE

EFFECT ON

EFFECT ON

EFFECT ON

USER

CLASS

TYPE

DATA

AVAILABILITY

PERFORMANCE

NOTIFICATION

Power

Total Loss

Data may be

System unavailable

N/A

Event log

(BBU Not

 

lost if write

 

 

 

present)

 

cache is

 

 

 

 

 

enabled

 

 

 

Power

Transient

Data may be

System unavailable

N/A

Event log

(BBU Not

Loss

lost if write

during power loss.

 

 

present)

 

cache is

Controller takes 7

 

 

 

 

enabled

seconds to reboot and

 

 

 

 

 

60 seconds for the

 

 

 

 

 

system to become

 

 

 

 

 

available.

 

 

Power

Total Loss

No effect

System unavailable

N/A

Event log

(BBU Present)

 

provided

 

 

 

 

 

outage is

 

 

 

 

 

shorter than

 

 

 

 

 

BBU hold time

 

 

 

Power

Transient

No effect

System unavailable

N/A

Event log

(BBU Present)

Loss

 

during power loss.

 

 

 

 

 

Controller takes 7

 

 

 

 

 

seconds to reboot and

 

 

 

 

 

60 seconds for the

 

 

 

 

 

system to become

 

 

 

 

 

available.

 

 

Disk

Drive

No effect.

Loss of high

Performance may

Event log, Email

(RAID Level 1,

removed or

RAID volume

availability. System

drop

and SNMP

5 or 10)

drive failure

degraded.

will become

 

 

 

 

 

unavailable on

 

 

 

 

 

second failure.

 

 

Disk

Drive

RAID is

RAID unavailable

N/A

Event log, Email

(RAID Level 0)

removed or

inaccessible

 

 

and SNMP

 

drive failure

 

 

 

 

Disk

Advanced

No effect

No effect

Performance will

Event log, Email

(RAID Level 1,

drive failure

 

 

drop if spare is

and SNMP

5 or 10)

notice

 

 

available to rebuild

 

 

 

 

 

the failing drive to

 

Disk

Advanced

No effect

No effect

None

Event log, Email

(RAID Level 0)

drive failure

 

 

 

and SNMP

 

notice

 

 

 

 

Disk

Medium

No effect

Stripe will be rebuilt

Performance may

Disk statistics

(RAID Level 1,

Error

 

on alternate sectors.

drop

updated in

5 or 10)

 

 

 

 

controller

 

 

 

 

 

If threshold met,

 

 

 

 

 

Event log, Email

 

 

 

 

 

and SNMP

Raidtec FS3102 Hardware Installation Guide

Version 1.0

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Plasmon FS3102 manual Appendix a Alerts, Failure Events