![]() The SDCards were always fine and after the firmware update we haven't had an issue since. The issue I referenced was a firmware bug in some Proliants with iLO that caused esxi to not be able to communicate with the SDCard kit after a few hundred hours of uptime. We've actually been using the same cards for over 3 years now. To be clear, I've never had one of our 8GB SDCards fail. In addition to the core dump size, the physical size of the size of caching tier SSD(s) in GB will be used as the basis of calculation the additional core dump size requirements.įor every 100GB cache tier, 0.181GB of space is requiredĮvery disk group needs a base requirement of 1.32 GB This can be resised in 6.6 but in newer releases is autosized to larger devices.įor every 1 TB of DRAM there should be a coredump size partition of 2.5 GB Ok depends on if running vSAN, or if using large memory configs you may need more space for a larger diagnostic partition (used for crashdumps). Honestly, for any quality SDCard (which is why the HPE kits cost so much), anything over 8GB is completely useless. In general I recommend people move to M.2 Boot devices as these can handle full logs. I have been told that the log files should go to another location not on the AD card. I have experienced smaller 8GB drives dying on me, though as DaveA-DoIT said, the system will keep on running as it's all in RAM. Plus I keep the config backed up just in case. In the past I have used 32GB and 64GB drives and these have never failed on me. And at this size you could keep the logs locally, though I am not sure what sort of wear that would cause. I personally find going big is better since you're not likely to run into the wear fatigue you would with smaller drives. Haha, I just bought 3 x 128GB low profile thumb drives for my ESXi hosts - to fit into my HP Proliant G10s. Log files should be on a physical disk/LUN, they are small but should be on permanent storage, this is configured per host A 32GB card is going to be a waste, 4-8GB is all that is needed, you shouldn't worry about writes reducing the lifespan as most of the ESXi files are read only and read directly to ram anyway.
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