Re: striped LV and expected performance
Zdenek Kabelac <[email protected]> Fri, 18 Jul 2025 15:46:49 +0200
| Newsgroups | gmane.linux.lvm.general |
|---|---|
| Message-ID | <[email protected]> |
Dne 18. 07. 25 v 14:24 Henry, Andrew napsal(a): >> Maybe you virtual system does have it self 'a single write pipe' - so any parallelization is stopped right there - so maybe you should start first with bare metal.... > > This is what I suspect is happening, as the back-end storage is very fast. I'm going to test on a physical server instead. > > /AH It's crucially important to be sure - you have independent drives & controller paths to them. It's really pointless trying to setup a 'stripe' on top of 3 drives that are at the end served by a singly physical storage behind the scene - this likely can explain rather horrible numbers you get when you are trying to use stripe - in such case simply join devices 1-by-1.... Zdenek