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September 25th, 2025 23:55
Dell EMC VNXe3200 - Degraded - Write cache temporarily disabled
Hello all,
Last week our data center was preparing for a planned power outage. We went ahead and powered down our VNXe like normal. I'm not positive, but it's possible we put both of our SP's in service mode before this. Upon powering the VNXe back on, both SP's were in service mode. I was able to boot them both into normal mode using the IPMI tool and the service commands on a serial over LAN connection to each SP. Unfortunately now the system has a status of "Major Issue", with these warnings for each SP:
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Degraded
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- The write cache on the Storage Processor (SP) is temporarily disabled. An SP may be in service mode or there may be problem with a hardware component. Check related alerts and fix the underlying problems. When the problem is fixed, the write cache is automatically re-enabled. If one SP is in service mode, rebooting the active SP will re-enable the write cache.
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I have checked the boot counters for errors and found none, have also cleared the boot counters and restarted each SP, but still no luck. I know there is a "svc_cache" command, but the switches available don't include "--enable" or "--disable".
Wondering if anybody has any insight into how I can enable write cache again and get them back to normal.
Thank you.
LFP Helpdesk
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September 26th, 2025 19:08
To add to the clues that may help solve this issue, we received an email alert today from our VNXe:
You have received this message because an event that has occurred on your VNXe (APM00150512008/192.168.254.4) system requires your attention. The alert is:
SP A Battery has faulted (Part Number 078-000-093, Serial Number ACPD6144900596).
Log in to Unisphere to learn more about this alert. Click System > System Alerts, and then select the alert. In the Alert Information panel, click the View Health button to view the component responsible for the alert. You can then go to the System Health page or other related pages to further investigate the situation.
Could these two things be related?