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How long does data stay in a RAID cache?
Fresh5 days ago
Mar 15, 20264186 viewsConfidence Score0%
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Problem
Most higher-end RAID cards have the option to purchase a battery add-on to allow the controller to finish writing the contents of the cache to the drives in the event of a power failure. I setup RAIDs on the cheap without ever paying for the battery backup. How much risk is there in losing the cach…
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New Fix – Awaiting Verification
Fix for: How long does data stay in a RAID cache?
Low Risk
A UPS can't prevent an ATX power supply from dying. That's what redundant power supplies are for. A RAID cache battery module will preserve the contents of the write cache until power is restored and the server is rebooted or the battery is depleted…
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