Areca ARC-1110 User Manual

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The controller classifies disk array events into four levels depending 

on their severity. These include level 1: Urgent, level 2: serious, level 

3: Warning and level 4: Information. The level 4 covers notificational 

events such as initialization of the controller and initiation of the 

rebuilding process; Level 2 covers notification events which once have 

happen; Level 3 includes events which require the issuance of warning 

messages; Level 1 is the highest level, and covers events the need 

immediate attention (and action) from the administrator. The following 

lists sample events for each level:

Device Inserted

Warning

HDD inserted

Device Removed

Warning

HDD removed

Reading Error

Warning

HDD reading error

Keep Watching HDD status, 

maybe it is caused by noise or 

HDD unstable.

Writing Error

Warning

HDD writing error

Keep Watching HDD status, 

maybe it is caused by noise or 

HDD unstable.

ATA Ecc Error

Warning

HDD ECC error

Keep Watching HDD status, 

maybe it is caused by noise or 

HDD unstable.

Change ATA 

Mode

Warning

HDD change ATA 

mode

Check HDD connection.

Time Out Error

Warning

HDD Time out

Keep Watching HDD status, 

maybe it is caused by noise or 

HDD unstable.

Device Failed

Urgent

HDD failure

Replace HDD

PCI Parity Error

Serious

PCI Parity error

If only happen once, it maybe 

caused by noise. If always 

happen, please check power 

supply or contact to us.

Device 

Failed(SMART)

Urgent

HDD SMART failure

Replace HDD