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
- What does "Dedicated mirror channel failed" error mean on E-SeriesFri, 16 Oct 2026
- Windows Host for E-Series and ONTAP storage reporting latency after host migrationWed, 07 Oct 2026
- Is preventive replacement recommended for an E-Series drive experiencing intermittent controller-side timeouts?Thu, 24 Sep 2026
- E-Series - Does disk pool space warning block planned drive firmware upgradeFri, 18 Sep 2026
- E4024 all power canister fans fail and temperature sensor unknownTue, 08 Sep 2026
- E-Series volume reconstruction stuck due to URS and DA errorsWed, 02 Sep 2026
- EF600 controller reboots after ungraceful drive failureFri, 28 Aug 2026
- E-Series NVME drive bypassed after drive replacementWed, 19 Aug 2026
- Session terminated unexpectedly errors on E-Series arrays using infini bandMon, 10 Aug 2026
- How to replace an E-Series NE224 controller shelfFri, 07 Aug 2026
- Can a replacement E-series IOM with newer firmware automatically downgrade to the original system firmware revision?Thu, 06 Aug 2026
- Does NetApp E-Series 2800 support static routes on storage controllers?Wed, 05 Aug 2026
- E-series controller rebooted multiple times due to PCI SERR error on the NICsTue, 04 Aug 2026
- SuperPod EF Series during replacement reports I2C busy needs recoveryMon, 27 Jul 2026
- E-Series Storage Reporting Drawer and SAS Port Degradation AlertTue, 21 Jul 2026
- StorageGRID diskpool failure unrecoverable due to incorrect drive replacements on E-SeriesThu, 16 Jul 2026
- Multiple drawers degraded on the same shelf with a bypassed driveThu, 16 Jul 2026
- What does E-X4141B drive's CAPABILITIES field display in Storage Array Profile?Tue, 14 Jul 2026
- Nominal temperature exceeded alert on E-Series (E4024) due to ambient sensor faultFri, 10 Jul 2026
- E-Series “Write-back caching forcibly disabled” (BAD BBU)Tue, 07 Jul 2026
- EF300/EF600 reports Dedicated Cache Mirror Channel FailedFri, 16 Oct 2026
- E-Series Recovery Guru reports SAS_PORT_DEGRADED-Recovery Failure Type Code: 112 with Internal connection errorFri, 16 Oct 2026
- What does "Dedicated mirror channel failed" error mean on E-SeriesFri, 16 Oct 2026
- EF600 controller reboots after ungraceful drive failureThu, 15 Oct 2026
- E-Series Insufficient cache backup device capacity - AutoSupport MessageThu, 15 Oct 2026
- How to reset drive side statistics on SAS E-Series Storage systemsWed, 14 Oct 2026
- E-Series Disk pool degraded/partially complete after drive replacementThu, 08 Oct 2026
- E-Series E4000 controller stuck in a boot loop failing to configure eth interfacesThu, 08 Oct 2026
- Windows Host for E-Series and ONTAP storage reporting latency after host migrationWed, 07 Oct 2026
- E-Series reporting degraded drive channel on one or more drives due to faulty drive(s)Wed, 07 Oct 2026
- E-Series controller in lockdown state OE Lt after encountering configuration issues during startupThu, 01 Oct 2026
- How many disk failures can be tolerated during volume reconstruction in E-Series DDP?Tue, 29 Sep 2026
- Is preventive replacement recommended for an E-Series drive experiencing intermittent controller-side timeouts?Tue, 29 Sep 2026
- Does NetApp E-Series 2800 support static routes on storage controllers?Mon, 28 Sep 2026
- E-Series drive port bypassed and redundancy lost reported for a single driveFri, 25 Sep 2026
- E-Series EF300/ EF600 reports ALT_COMM_LINK_ERROR-Recovery Failure Type Code: 504Fri, 25 Sep 2026
- E-Series controller does not boot after NVSRAM upgrade with 0E LU 7-Segment codeThu, 24 Sep 2026
- E-Series controller in lockdown state OE LF due to controller firmware mismatchMon, 21 Sep 2026
- Unreadable sectors on the E-series platforms on multiple drivesFri, 18 Sep 2026
- E-Series - Does disk pool space warning block planned drive firmware upgradeFri, 18 Sep 2026
