CRU
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10 RAID Is Not a Backup
Because RTX features redundant RAID modes which protect against a hard drive mechanical failure, it is
an excellent part of any backup strategy. However, a RAID is not, in itself, a complete backup strategy.
Many things besides hard drive failure can damage or erase your data:
•
Corruption caused by unexpected disconnection during data access (e.g. a cable is unplugged
during a data transfer, or the computer crashes or loses power while writing to the drives)
•
Corruption or destruction caused by viruses or other malware
•
Sabotage by a disgruntled employee or acquaintance
•
Theft of your RTX
•
Natural disasters such as fire, flooding, etc.
Considering these possibilities, any single copy of your important data must always be considered at risk.
That's why backing up is so important. Follow the 3-2-1 backup rule. Data should exist in three different
places on two different storage media and at least one of those copies should be maintained offsite.
Without an effective backup strategy, recovering data may be impossible, or the cost of data recovery
may be quite expensive. The CRU warranty does not cover costs associated with data loss (nor do the
warranties of other hard drive manufacturers).
Plan accordingly and backup data to minimize downtime!
11 Event Notifications
Physical Disk Events
Level
Type
Description
Info
PD inserted
Disk <slot> is inserted into system
Warning
Disk removed
Disk <slot> is removed from system
Error
HDD read error
Disk <slot> read block error
Error
HDD write error
Disk <slot> write block error
Error
HDD error
Disk <slot> is disabled
Error
HDD IO timeout
Disk <slot> gets no response
Info
PD upgrade started
PD [<string>] starts upgrading firmware process
Info
PD upgrade finished
PD [<string>] finished upgrading firmware process
Warning
PD upgrade failed
PD [<string>] upgrade firmware failed
Physical HW Events
Level
Type
Description
Warning
ECC single
Single-bit ECC error is detected at <address>
Error
ECC multiple
Multi-bit ECC error is detected at <address>
Info
ECC dimm
ECC Memory is installed
Info
ECC none
Non-ECC Memory is installed
Info
SCSI bus reset
Received SCSI Bus Reset event at the SCSI Bus
<number>
Error
SCSI host error
SCSI Host allocation failed
Error
SATA enable device fail
Failed to enable the SATA PCI device
Error
SATA EDMA mem fail
Failed to allocate memory for SATA EDMA
Error
SATA remap mem fail
Failed to remap SATA memory IO space
Error
SATA PRD mem fail
Failed ot initialize SATA PRD memory manager
Error
SATA revision ID fail
Failed to get SATA revision ID
Error
SATA reg fail
Failed to set SATA register
