Skip to main content
NetApp Knowledge Base

Search

  • Filter results by:
    • View attachments
    Searching in
    About 16 results
    • Is there problem if available memory of AIQUM Linux host is gradually decreasing?
      https://kb.netapp.com/data-mgmt/AIQUM/AIQUM_Kbs/Is_there_problem_if_available_memory_of_AIQUM_Linux_host_is_gradually_decreasing
      If the decrease is asymptotic and does not approach zero, it's not a problem just because available reported by free command is gradually decreasing. If there is problem with memory usage, AIQUM repor...If the decrease is asymptotic and does not approach zero, it's not a problem just because available reported by free command is gradually decreasing. If there is problem with memory usage, AIQUM reports Management Server Low On Memory or Management Server Almost Out Of Memory event. How to check allocated memory for an AIQUM hosted server How to receive alerts on Active IQ Unified Manager management server memory events How to resolve memory issues with Active IQ Unified Manager
    • UM with limited memory resources crashes with Java heap space error
      https://kb.netapp.com/data-mgmt/AIQUM/AIQUM_Kbs/UM_with_limited_memory_resources_crashes_with_Java_heap_space_error
      Applies to ActiveIQ Unified Manager (UM) 9.9 RedHat Operating System (RHEL) with limited available memory Issue Due to the virtual infrastructure there is limited memory available for the virtual mach...Applies to ActiveIQ Unified Manager (UM) 9.9 RedHat Operating System (RHEL) with limited available memory Issue Due to the virtual infrastructure there is limited memory available for the virtual machine After the upgrade to 9.9 UM regularly hangs A restart is needed until the issue re-occurs An error occurs in the server.log (DefaultMessageListenerContainer-2) Setup of JMS message listener invoker failed for destination '/queue/SummaryQueue' - trying to recover. Cause: Java heap space
    • ActiveIQ Unified Manager install problems after failed install on RHEL
      https://kb.netapp.com/data-mgmt/AIQUM/AIQUM_Kbs/ActiveIQ_Unified_Manager_install_problems_after_failed_install_on_RHEL
      Applies to Active IQ Unified Manager 9.7P1 RedHat Linux Enterprise Server 7.8 (RHEL 7.8) Issue Installation completes with error and ActiveIQ Unified Manager does not work. Failed to start Active IQ M...Applies to Active IQ Unified Manager 9.7P1 RedHat Linux Enterprise Server 7.8 (RHEL 7.8) Issue Installation completes with error and ActiveIQ Unified Manager does not work. Failed to start Active IQ Management Server services. warning: %post(netapp-um-9.7-2006081700.x86_64) scriptlet failed, exit status 255 Non-fatal POSTIN scriptlet failure in rpm package netapp-um-9.7-2006081700.x86_64
    • RHEL clients are able to mount home directories, but can't access the NFS share
      https://kb.netapp.com/on-prem/ontap/da/NAS/NAS-KBs/RHEL_clients_are_able_to_mount_home_directories_but_can_t_access_the_NFS_share
      Applies to ONTAP 9 Kerberos RHEL Kerberos Distribution Center (KDC) Issue After enabling Kerberos on the data LIFs, RHEL clients are able to mount home directories, but get 'permission denied' when li...Applies to ONTAP 9 Kerberos RHEL Kerberos Distribution Center (KDC) Issue After enabling Kerberos on the data LIFs, RHEL clients are able to mount home directories, but get 'permission denied' when listing files and changing directory
    • Adding SC MySQL Plug-in failing on RHEL VM
      https://kb.netapp.com/data-mgmt/SnapCenter/SC_KBs/Adding_SC_MySQL_Plug-in__failing_on_RHEL_VM
      Applies to SnapCenter Server (SC) SnapCenter Custom Plug-ins (MySQL) Red Hat Enterprise Linux (RHEL) Issue Adding MySQL Plug-in failing on RHEL VM with: Installation of the package "snapcenter_linux_h...Applies to SnapCenter Server (SC) SnapCenter Custom Plug-ins (MySQL) Red Hat Enterprise Linux (RHEL) Issue Adding MySQL Plug-in failing on RHEL VM with: Installation of the package "snapcenter_linux_host_plugin.bin" failed on the host <hostname>" with ErrorCode:208, error: Verifying JVM
    • LUN shown with a different signature on a RedHat Host
      https://kb.netapp.com/on-prem/ontap/OHW/OHW-KBs/LUN_shown_with_a_different_signature_on_a_RedHat_Host
      LUN Serial Number (Hex): discrepancy between storage and host: MY_LUN (3600a09803830xxxxxxxf4c4c486e6367) dm-118 NETAPP ,LUN C-Mode |-+- policy='service-time 0' prio=50 status=active | |- 11:0:0:30 sd...LUN Serial Number (Hex): discrepancy between storage and host: MY_LUN (3600a09803830xxxxxxxf4c4c486e6367) dm-118 NETAPP ,LUN C-Mode |-+- policy='service-time 0' prio=50 status=active | |- 11:0:0:30 sdpb 130:272 active ready running | `- 7:0:0:30 sdov 129:432 active ready running |- 12:0:0:30 sdpe 130:320 active ready running `- 13:0:0:30 sdph 130:368 active ready running cluster1::> lun show MY_LUN -fields serial-hex
    • Recovered errors with sense code ASC=0x95 ASCQ=0x1 on RHEL host regarding E-Series
      https://kb.netapp.com/on-prem/E-Series/Hardware-KBs/Recovered_errors_with_sense_code_ASC_0x95_ASCQ_0x1_on_RHEL_host_regarding_E_Series
      Generic recovered errors on RHEL server, regarding SANtricity LUNs over direct-attached connectivity, while there are no issues or hardware failures reported in SANtricity System Manager: Jul 21 02:48...Generic recovered errors on RHEL server, regarding SANtricity LUNs over direct-attached connectivity, while there are no issues or hardware failures reported in SANtricity System Manager: Jul 21 02:48:06 nfs26 kernel: sd 16:0:1:1: [sdq] <<vendor>>ASC=0x95 ASCQ=0x1 Jul 21 02:48:06 nfs26 kernel: sd 16:0:1:1: [sdq] Sense Key : Recovered Error [current] Jul 21 02:48:06 nfs26 kernel: sd 16:0:1:1: [sdq] Add. Jul 21 02:48:07 nfs26 kernel: sd 16:0:1:1: [sdq] Sense Key : Recovered Error [current]
    • Top RHEL Issues/Workarounds/Best Practices for NFSv3/v4.0
      https://kb.netapp.com/on-prem/ontap/da/NAS/NAS-KBs/Top_RHEL_Issues_Workarounds_Best_Practices_for_NFSv3_v4_0
      If the server revokes that delegation stateid, then the call to nfs4_handle_exception() will fail to handle the error due to the lack of a struct nfs4_state, and will just convert the error into an EI...If the server revokes that delegation stateid, then the call to nfs4_handle_exception() will fail to handle the error due to the lack of a struct nfs4_state, and will just convert the error into an EIO. 3) The NFS client is sending requests on a Kerberos share during the ""clock skew window"" when the client service ticket is good according to the client clock, and expired according to the server clock.
    • Linux host loses LUN paths with blk_cloned_rq_check_limits error
      https://kb.netapp.com/on-prem/ontap/OHW/OHW-KBs/Linux_host_loses_LUN_paths_with_blk_cloned_rq_check_limits_error
      Applies to Fibre Channel (FC) LUNs RedHat Enterprise Linux (RHEL) 7.6 RedHat Enterprise Linux (RHEL) 7.7 Linux Unified Host Utilities 7.1 RHEL 7.6 hosts loses paths to LUNs logging the following multi...Applies to Fibre Channel (FC) LUNs RedHat Enterprise Linux (RHEL) 7.6 RedHat Enterprise Linux (RHEL) 7.7 Linux Unified Host Utilities 7.1 RHEL 7.6 hosts loses paths to LUNs logging the following multipath error: kernel:blk_cloned_rq_check_limits: over max size limit Storage VPD advertised transfer length is different to what host is using: scsit_lu_1: scsiblade.invalid.xfer.len:notice]: Host type sent command opcode 0x2a with a transfer length of bytes, which exceeds the maximum of 1MB on LUN
    • OpenStack: 'Hostname mismatch' error seen when using wildcard certificates
      https://kb.netapp.com/Cloud/OpenStack/Hostname_mismatch_error_seen_when_using_wildcard_certificates
      An issue has been seen in OSP 17.1/ RHEL 9.2 when: In the Cinder volume.log, the following SSH handshake error is seen: 2023-08-16 01:34:00.101 14 ERROR cinder.volume.drivers.netapp.dataontap.client.a...An issue has been seen in OSP 17.1/ RHEL 9.2 when: In the Cinder volume.log, the following SSH handshake error is seen: 2023-08-16 01:34:00.101 14 ERROR cinder.volume.drivers.netapp.dataontap.client.api [req-cd09e8b0-a3b7-4959-c8e3-ee52c829bc26 - - - - -] Error communicating with NetApp filer.: urllib.error.URLError: <urlopen error [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: Hostname mismatch, certificate is not valid for 'volume.sub.company_name.com'. (_ssl.c:1129)>
    • Linux host does not reconnect after slice migration on Element
      https://kb.netapp.com/on-prem/solidfire/Element_OS_Kbs/Linux_host_does_not_reconnect_after_slice_migration_on_Element
      Applies to NetApp Element software Linux hosts Issue After a slice migration on Element, the Linux host does not automatically connect to the redirected path