Local storage for ESXi - SD USB or a traditional hard drive

We will replace our ESX host soon with new hardware and I'm on the fence about the use of a player USB SD 4 GB or traditional hard drives in a RAID. Obviously, the reader SD has its advantages, namely its speed and reliability, but is reliable enough to give up using redundant hard drives?

As someone mentioned previously, we spend much of our time concerned with our redundant hard disks, expecting to fail. Several times the failure is related to moving parts in the drive also. SD readers have the pleasure of having no moving parts to wear out or fail. But what good are they?

Sells the dealer that I spoke with them for 3 years and never heard of a failure. His $62 for 4 GB, so it's not a bottom of the line edit. It is designed to be in a HP DL380G7, once again, I doubt that it is a lower end model.

I'm leaning toward the SD drive rather than traditional drives, but I wanted to get feedback from others who may have used this before configuration. I'm looking for the successes and failures (and the reason for the failure).

4 GB is enough for installation (ESXi 4.1) and I have not any more local storage as VM is on the shared storage and the assistance as AppSpeed and esXpress VM program I can also install it on the shared storage (where in our current datacenter these are installed on the local storage). Or should I worry about this size with respect to logging or something else?

Thanks in advance, please discuss.

Eduard Tieseler

I had a fight 100 ESX hosts running by USB - only questions I ever had were with the original green USB keys that HP provided in the first days of ESXi on USB.

I like the approach of USB for several reasons:

1. no local physical disk required, less moving parts = less material problems

2. If you have local physical disks, you can use these as the dumping grounds for the ISOs etc.

3. If rebuilding a server, I can remove the old USB key and press a new - and recover simply by replacing the OLD USB key

4. I can pre-generate a USB one double key as a method of construction of servers in bulk (not tested on 4.1u1 well)

5. I've had many many hard drive failures. . USB (except Green HP ones) have never failed on me.

In addition, your syslog problem isn't treally a 0 - practice problem is to get servers to connect to a centralized in any case syslog box (I would even if I used not USB/SD)

Good luck - let us know what you decide.

Tags: VMware

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