FAILURE | FAILURE | EFFECT ON | EFFECT ON | EFFECT ON | USER |
CLASS | TYPE | DATA | AVAILABILITY | PERFORMANCE | NOTIFICATION |
Disk | Medium | Data loss | None except for the | None | Disk statistics |
(RAID Level 0) | Error |
| data loss |
| updated in |
|
|
|
|
| controller |
|
|
|
|
| If threshold met, |
|
|
|
|
| Event log, Email |
|
|
|
|
| and SNMP |
Link | FC link total | No effect | System unavailable | N/A | Event log, Email |
| failure |
| unless alternate SCSI |
| and SNMP |
|
|
| path is used in cluster |
|
|
|
|
| configuration. |
|
|
Link | FC link | No effect | System remains | Performance will | Event log, Email |
| transient |
| available | drop as command | and SNMP |
| parity errors |
|
| timeouts, bus resets |
|
|
|
|
| and retries occur |
|
Backplane | SATA link | No effect | Loss of high | Performance may | Event log, Email |
(RAID Level 1, | failure | RAID volume | availability, system | drop. | and SNMP |
5 or 10) |
| degraded | may become |
|
|
|
|
| unavailable on |
|
|
|
|
| second failure |
|
|
Backplane | SATA link | RAID is | RAID unavailable | N/A | Event log, Email |
(RAID Level 0) | failure | inaccessible |
|
| and SNMP |
Backplane | SATA link | No effect | No effect | Performance may | Disk statistics |
(RAID Level 1, | degraded |
|
| drop. | updated in |
5 or 10) |
|
|
|
| controller |
|
|
|
|
| If threshold met, |
|
|
|
|
| Event log, Email |
|
|
|
|
| and SNMP |
Backplane | SATA link | No effect | No effect | Performance may | Disk statistics |
(RAID Level 0) | degraded |
|
| drop. | updated in |
|
|
|
|
| controller |
|
|
|
|
| If threshold met, |
|
|
|
|
| Event log, Email |
|
|
|
|
| and SNMP |
Enclosure | Fan Failure | No effect | System availability at | No effect | Event log, Email |
|
|
| risk until fan replaced |
| and SNMP |
Enclosure | PSU module | No effect | System availability at | No effect | Event log, Email |
| failure |
| risk until PSU |
| and SNMP |
|
|
| module replaced |
|
|
BBU | BBU failure | No effect | User data at risk from | No effect | Event log, Email |
|
|
| transient power |
| and SNMP |
|
|
| failure if write |
|
|
|
|
| caching is enabled. |
|
|
Controller | Hardware | User data loss | System unavailable | N/A | Event log |
| failure | is possible |
|
|
|
Controller | Software | No effect | System unavailable | Performance may | Event log, Email |
| failure, | User data is | during controller | drop if command | and SNMP |
| controller | maintained in | reboot. Controller | timeouts occur. |
|
| reboot | cache during | takes 7 seconds to |
|
|
|
| controller | reboot and 60 |
|
|
|
| reboot | seconds for the |
|
|
|
|
| system to become |
|
|
|
|
| available. |
|
|
Raidtec FS3102 Hardware Installation Guide | Version 1.0 | 25 |
