E-series Hardware KBs
E-series Hardware KBs
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Power cycle Guide
How to power off & on your E-Series system.
How to power off & on your E-Series system.
Drive status & failures
Collection of drive failures and statuses.
Collection of drive failures and statuses.
Single degraded drive
Degraded drive channel on single drive.
Degraded drive channel on single drive.
Cache backup device failure
Cache backup device end of life for controller.
Cache backup device end of life for controller.
Controller offline
How to diagnose offline E-Series controller?
How to diagnose offline E-Series controller?
E5700 Management Task failures
Management task failures with 422 web server error.
Management task failures with 422 web server error.
Other Resources
- E-Series volume failure on StorageGRID system due to DCM reset on drawerFri, 16 Jan 2026
- E4000 controller encounters IOM (ESM) has reported an exception event sporadicallyThu, 15 Jan 2026
- E-Series controller detects "Host-side SFP unsupported" for 16 Gbps SFP on 32 Gbps FC HICThu, 08 Jan 2026
- Can an empty DE224C shelf be removed from an E-Series system without special steps?Thu, 25 Dec 2025
- E-Series controller reporting several 7 segment codes from 5E OS OL to Start up Error 88 after relocationWed, 24 Dec 2025
- E-Series Controller Lockdown (0E LU) After HIC ReplacementThu, 18 Dec 2025
- E-Series ASUP and auto generated case for hardware failure do not auto generateMon, 15 Dec 2025
- E-Series Host Redundancy Lost alert due to single connection from one controllerFri, 05 Dec 2025
- E-series reports "Cached data may have been lost” after a dual controller rebootTue, 02 Dec 2025
- EF600 controller replacement results in Debian Login prompt and fails to bootMon, 24 Nov 2025
- E-Series Controller in Service Mode and Data Assurance Errors due to power outageMon, 24 Nov 2025
- Very Low iSCSI Read Performance on NetApp EF300 with Proxmox/Debian HostsMon, 10 Nov 2025
- Why does E-Series serial connection not require a password while access to EOS shellFri, 07 Nov 2025
- E-Series controller is down with 7-Segment code 75Wed, 05 Nov 2025
- E-Series drives in shelf 99 are offline after controller replacementWed, 05 Nov 2025
- Blinking fault led light indicator with no errors reported on E-Series arrayTue, 04 Nov 2025
- Intermittent datastore disconnects on E2824 with VMware ESXiFri, 31 Oct 2025
- Automatic case creation not triggered for E-Series Impending drive failureFri, 31 Oct 2025
- E-series drive enclosure does not display any 7-segment codeThu, 30 Oct 2025
- Faulty Bay In E-Series Chassis Causes Unresponsive DriveTue, 28 Oct 2025
- E-Series volume failure on StorageGRID system due to DCM reset on drawerFri, 16 Jan 2026
- E-Series Impending drive failure detected by controller or drive - AutoSupport MessageThu, 15 Jan 2026
- E4000 controller encounters IOM (ESM) has reported an exception event sporadicallyThu, 15 Jan 2026
- How to physically identify the various E-Series drawer types in DE460c enclosureThu, 15 Jan 2026
- E-Series replacement controller locks down due to auto synchronization failureWed, 14 Jan 2026
- E-Series controller detects "Host-side SFP unsupported" for 16 Gbps SFP on 32 Gbps FC HICMon, 12 Jan 2026
- Unreadable sectors on the E-series platforms on multiple drivesWed, 07 Jan 2026
- Loss of redundancy is detected for multiple but not all drives in controller shelfMon, 29 Dec 2025
- Can an empty DE224C shelf be removed from an E-Series system without special steps?Thu, 25 Dec 2025
- E-Series controller reporting several 7 segment codes from 5E OS OL to Start up Error 88 after relocationWed, 24 Dec 2025
- E-Series E2800 controller management failures due to loss of internal ethernet communication linkTue, 23 Dec 2025
- "Host-side SFP Unsupported" alert detected and resolved automaticallyMon, 22 Dec 2025
- Multiple Disk Failures due to outdated firmware on E-series drivesMon, 22 Dec 2025
- E-Series Controller Lockdown (0E LU) After HIC ReplacementThu, 18 Dec 2025
- How to log into an E-Series controller seriallyTue, 16 Dec 2025
- E-series controllers reboot after attaching the external DE460C shelf for expansionTue, 16 Dec 2025
- E-Series ASUP and auto generated case for hardware failure do not auto generateMon, 15 Dec 2025
- All drives bypassed in new installed DE224C shelfFri, 05 Dec 2025
- E-Series Host Redundancy Lost alert due to single connection from one controllerFri, 05 Dec 2025
- E-series reports "Cached data may have been lost” after a dual controller rebootTue, 02 Dec 2025
