FAS platforms with a Flash Cache card EMS log reports the event "wafl_exempt02: extCache.io.writeError", which is available by the event log show -severity notice command. [node_name: wafl_exempt00: e...FAS platforms with a Flash Cache card EMS log reports the event "wafl_exempt02: extCache.io.writeError", which is available by the event log show -severity notice command. [node_name: wafl_exempt00: ems.engine.suppressed:debug]: Event 'extCache.io.writeError' suppressed 114 times in last 110068 seconds. start end instance inserts (/s) total_ops (/s) hit (/s) evicts (/s) disk_reads_replaced (/s)
Applies to ONTAP 9.x Logical Interface (LIF) Flash Cache Issue Vifmgr is going "Out-Of-Quorum" during a Failover, which results in LIFs being down. [kern_vifmgr:info:5605] Notice: online_status_callba...Applies to ONTAP 9.x Logical Interface (LIF) Flash Cache Issue Vifmgr is going "Out-Of-Quorum" during a Failover, which results in LIFs being down. [kern_vifmgr:info:5605] Notice: online_status_callback: RDB unit is offline
Flash Cache module (X9170A/X9172A) While performing the system controller slot module insert command in conjunction with the Hot-swap a caching module action plan the following error occurs: cluster1:...Flash Cache module (X9170A/X9172A) While performing the system controller slot module insert command in conjunction with the Hot-swap a caching module action plan the following error occurs: cluster1::> system controller slot module insert -node local -slot 6-1 Warning: SSD module in slot 6-1 of node cluster1-01 will be powered on Do you want to continue? {y|n}: y Error: command failed: Cannot insert module because replacement module type does not match the previous type.
Flash Cache is stuck in rewarming phase and does not accept insertions with the following symptoms: Low cache insert/hit rate in Flash Cache To confirm the low cache insert/hit rate in Flash Cache: cl...Flash Cache is stuck in rewarming phase and does not accept insertions with the following symptoms: Low cache insert/hit rate in Flash Cache To confirm the low cache insert/hit rate in Flash Cache: cluster::*> statistics start -sample-id <test1> -object ext_cache_obj -counter inserts|hit_percent|rewarm_aggrs_failed Statistics collection is being started for sample-id: test1 inserts should be lower than 10/s, indicating no data is being inserted into Flash Cache
Applies to All NetApp FAS controllers with Flash Cache PCIe expansion cards (non-NVME) Issue User may notice repeating Flash Cache errors in the EMS or event logs indicating a problem with the Flash C...Applies to All NetApp FAS controllers with Flash Cache PCIe expansion cards (non-NVME) Issue User may notice repeating Flash Cache errors in the EMS or event logs indicating a problem with the Flash Cache card ending with "slot X has experienced a FPGA configuration CRC mismatch" Example: 5/13/2021 14:08:04 Node1 DEBUG iomem.card.config.crc.err: Caching module (model name X1974A-R6, serial number 1234567890, part number 111-00903) in slot 3 has experienced a FPGA configuration CRC mismatch
