Tag: Storage

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

How to Identify the MegaRAID Controller Model on an exacqVision Server  

Title How to Identify the MegaRAID Controller Model on an exacqVision Server   Description  For various reason you may need to determine the model number of the RAID Controller Card.    Product  exacqVision Server MegaRAID     Solution From the exacqVision Client Navigate to Configuration > YOURSERVER > Storage > Hardware Tab The model should be… Continue reading How to Identify the MegaRAID Controller Model on an exacqVision Server  

False Positive drives offline status for disks labeled “sat” – invalid disk type errors

False Positive drives offline for disks labeled “sat” – invalid disk type errors Exacq Support has identified an issue with SMART attribute labels causing false positive drive offline errors on the hardware tab of ExacqVision Client. Some Disks may show error of “invalid disk type”   Some systems may contain drives that get listed as… Continue reading False Positive drives offline status for disks labeled “sat” – invalid disk type errors

Storage Page Volume and Hardware tabs Missing after Hardening / de-elevating Linux NVR

Volume and hardware tabs are missing from the storage page after running the command from the hardening guide and choosing “Yes” to de-elevate. To resolve this issue: Start with a working exacqVision Server that has not been de-elevated. Note: if you have previously run the Hardening/de-elevating command and the volume and hardware tabs are missing… Continue reading Storage Page Volume and Hardware tabs Missing after Hardening / de-elevating Linux NVR