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Interestingly, during the same period, drive speeds on those servers dropped dramatically down from 240MB/s to around 39-45MB/s. I haven't seen that before and it was a strange occurrence. If drive speeds reduce dramatically on a server it usually indicates a RAID-battery failure or RAID-array problem. Two servers at the same time though? And it happened to be the same two which had alerted us about voltage fluctuations. After the alert-period finished and everything was ok, drive speeds immediately returned to their normal rate - literally within 1 second - I was watching them at the time while working in another window trying to determine the reason for the degradation. I can't find anything in the Dell documentation to explain why that would happen, but I guess the servers were just being extra careful.
Interestingly, during the same period, drive speeds on those servers dropped dramatically down from 240MB/s to around 45MB/s. I haven't seen that before and it was a strange occurrence. If drive speeds reduce dramatically on a server it usually indicates a RAID-battery failure or RAID-array problem. Two servers at the same time though? And it happened to be the same two which had alerted us about voltage fluctuations. After the alert-period finished and everything was ok, drive speeds immediately returned to their normal rate - literally within 1 second - I was watching them at the time while working in another window trying to determine the reason for the degradation. I can't find anything in the Dell documentation to explain why that would happen, but I guess the servers were just being extra careful.
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