Description Meaning of the UBAD or UGOOD messages, most commonly seen in RAID Controller, but may appear in Storage. Product Information Solution If the same disk, moved to another slot, goes back to the UBAD status, the disk itself is bad. Replace the drive.If the previously good drive, moved into the same slot, goes into… Continue reading exacqVision UBAD / UGOOD Messages
Month: April 2022
ExacqVision Foreign Configuration Message
Title ExacqVision Foreign Configuration Message Description Meaning of Foreign Configuration message from RAID Product ExacqVision Server Information Each drive in RAID Controller’s configuration has a bit of information about the controller it is on written to it. Sometimes, a RAID Controller will detect that information about a controller exists on one or more of the drives,… Continue reading ExacqVision Foreign Configuration Message
exacqVision Battery Relearn
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>
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