Author: Tom Oakes

Using gdisk to Fix Backup GPT Table Errors in Linux  

Description  When experiencing Errors partitioning additional storage after a RAID array has been expanded or partition issues with either Archiving or Extended storage drives on an S-Series Server.  Check the partitions for errors using parted.  Product  Steps to Reproduce  Expected Results  The results return the partition layout on all block devices with no Errors   Actual… Continue reading Using gdisk to Fix Backup GPT Table Errors in Linux  

exacqVision Unexpected Sense Message

Description  Meaning of Unexpected Sense Message Product  Information The message is caused by a RAID Controller firmware bug that can be disregarded.Broadcom KB 1211161495572If there are actual problems resulting in an error, there will be other indicators/messages pointing to the problem.  Solution Disregard, no action needed. <br>

exacqVision UBAD / UGOOD Messages

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

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