This isn't exactly true. If you lose (2) disks in a (4) disk RAID10 array and both of the disks are in the same set (mirror), you're screwed.
On Wed, Dec 30, 2020 at 11:43 AM Josh Luthman <[email protected]> wrote: > Raid5 means if you lose 2 disks you just lost all your data. > > Raid10 means if you lost 2 disks you're still OK. Just get a replacement > in there already! > > Josh Luthman > 24/7 Help Desk: 937-552-2340 > Direct: 937-552-2343 > 1100 Wayne St > Suite 1337 > Troy, OH 45373 > > > On Wed, Dec 30, 2020 at 10:17 AM Steve Jones <[email protected]> > wrote: > >> esx is the hardware "OS" So I cant see how you would achieve a software >> RAID. unless you want to sit ESX on the platform with each disk >> independent. then install your OS and build are raid across the vdisks, >> sounds like a disaster waiting to happen, but potentially not if youre >> backing up the vmdks. Kind of weird if im understanding what youre wanting >> to achieve. My operations platform is a raid10 across SSD, performance over >> raid5 was notable. the boss still builds alot of raid5, to me seems like >> saving the cost of a disk is offset in the long term replacing failed disks. >> Disks are relatively cheap, datacenter smart hands are not. a couple more >> disks, a little more redundancy, less writes per disk. I like to have a >> couple independent disks in esx depending on the host. hot spares or static >> data storage >> >> On Wed, Dec 30, 2020 at 8:27 AM Mark - Myakka Technologies < >> [email protected]> wrote: >> >>> Helping my son setup a ESXI server. Going into a datacenter >>> a few states away. I have only done some basic ESXI setup when >>> fooling around with mikrotik. My other VM servers sit on top of >>> ubuntu. I have always used ubuntu SW raid10 when setting up my >>> servers. >>> >>> Looks like ESXI can be HW raid only. Can't find anyway of doing >>> SW raid. Anything I'm missing? >>> >>> He is going to put SSD's in the server. I'm thinking just going with >>> RAID 1 for some redundancy. Spanning across SSD's does not seem to be >>> worth it for performance. Thought's on that? >>> >>> >>> >>> -- >>> >>> Thanks, >>> Mark mailto:[email protected] >>> >>> Myakka Technologies, Inc. >>> www.Myakka.com >>> >>> >>> -- >>> AF mailing list >>> [email protected] >>> http://af.afmug.com/mailman/listinfo/af_af.afmug.com >>> >> -- >> AF mailing list >> [email protected] >> http://af.afmug.com/mailman/listinfo/af_af.afmug.com >> > -- > AF mailing list > [email protected] > http://af.afmug.com/mailman/listinfo/af_af.afmug.com >
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