Description Meaning of Battery Relearn messages Product exacqVision Server Information The RAID Controller undergoes a normal cycle to periodically drain the power from the board’s backup battery to test its ability to provide power when needed. This cycle is referred to a ‘relearn’. Solution No action needed, this is a normal message. <br>
Tag: HDD
ExacqVision BBU Failure
Title ExacqVision BBU Failure Description Meaning of BBU (Backup Battery Unit) Failure message Product ExacqVision Server Information Battery Backup failure means that the on-board RAID Controller’s battery is bad and should be replaced. In many cases, this may mean replacing the entire RAID card due to restrictions on shipping batteries. Confirm that any cables connecting the BBU… Continue reading ExacqVision BBU Failure
exacqVision Cache Flush / Dirty Cache
Description Meanining of Cache Flush / Dirty Cache messages Product exacqVision Server Information This typically means that the RAID controller lost power/battery power during a write operation. The RAID controller contains a small buffer for data being written to the hard drives. When the write has been confirmed, the cache is cleared. Solution If the machine… Continue reading exacqVision Cache Flush / Dirty Cache
ExacqVision Drive is Offline
Title ExacqVision Drive is Offline Description Meaning of Drive is Offline message. This could be seen in Storage or in system logs. Product ExacqVision Server Information This message could be the result of many underlying causes. It is possible the physical drive connection has failed, or a drive has been removed manually.This could also result… Continue reading ExacqVision Drive is Offline
ExacqVision Corrupt Backup GPT Table or GPT Header
Title ExacqVision Corrupt Backup GPT Table or GPT Header Description Meaning of Corrupt Backup GPT Table or GPT Header message Product ExacqVision Server Information Similar to a ‘Bad Superblock’, this metadata information about a partition can normally be restored without losing data. Solution Run ‘gdisk’ See Knowledge Base Article #7812 “Using gdisk to Fix Backup… Continue reading ExacqVision Corrupt Backup GPT Table or GPT Header
exacqVision Threshold Exceeded Message
Description Meaning of Threshold Exceeded Message in exacqVision. These may appear in both the logs as well as on the Storage details page in the client. Product Information This message indicates that at least one of the many S.M.A.R.T. attributes returned from the drive has exceeded a manufacturer defined threshold, and the drive is expected… Continue reading exacqVision Threshold Exceeded Message
exacqVision Input/Output, Media, or Write Errors
Description Meaning of Input/Output Errors, Media Errors, or Write Errors seen in Storage or exacqVision logs. Product exacqVision Server Information These messages are normally due to a corrupted filesystem or bad blocks on the disk(s). Solution Run ‘chkdsk’ or ‘fsck’. If problem returns, replace the drive. <br>
exacqVision Bad Superblock Message
Description Meaning Bad Superblock message in logs Product exacqVision Server Information A superblock is a block of data written at the beginning of a partition that contains metadata about the filesystem. If this block becomes corrupted, a ‘Bad Superblock’ message results. Solution There are several backups of this data throughout the hard drive and it… Continue reading exacqVision Bad Superblock Message
exacqVision NTFS Errors
Description Meaning of NTFS Errors noted in system logs Product exacqVision Server Information NTFS Errors are specific to Windows systems. This is caused by a file system corruption resulting from a corrupted partition, lack of available memory, driver problems, virus, or possibly damaged hard drive. Solution More troubleshooting is needed to refine the source of… Continue reading exacqVision NTFS Errors
ExacqVision ECC Errors
Description Meaning of ECC Errors noted from ExacqVision Product ExacqVision Server Information When data is written to disk, an algorithm creates a checksum value, similar to a hash value that is used to compare against the data on the drive. When the system revisits this data and finds the values in this checksum value no… Continue reading ExacqVision ECC Errors