Re: [lustre-discuss] Poor(?) Lustre performance

2022-04-20 Thread Finn Rawles Malliagh via lustre-discuss
Andreas, Thank you again for your detailed reply and time, I will have a look further at the lustre IO kit and hopefully, get to the bottom of things. Cheers, Finn On Thu, 21 Apr 2022 at 00:52, Andreas Dilger wrote: > Finn, > I can't really say for sure where the performance limitation in your

Re: [lustre-discuss] Poor(?) Lustre performance

2022-04-20 Thread Andreas Dilger via lustre-discuss
Finn, I can't really say for sure where the performance limitation in your system is coming from. You'd have to re-run the tests against the local ldiskfs filesystem to see how the performance compares to with that of Lustre. The important part of benchmark testing is to systematically build

Re: [lustre-discuss] Poor(?) Lustre performance

2022-04-20 Thread Finn Rawles Malliagh via lustre-discuss
Hi Andreas, Thank you for taking the time to reply with such a detailed response. I have taken your advice on board and made some changes. Firstly, I have swapped from ZFS and am now using striped LVM groups (Including the P4800X instead of using it as a cache drive). I have also modified io500.sh

Re: [lustre-discuss] Poor(?) Lustre performance

2022-04-20 Thread Andreas Dilger via lustre-discuss
On Apr 16, 2022, at 22:51, Finn Rawles Malliagh via lustre-discuss mailto:lustre-discuss@lists.lustre.org>> wrote: Hi all, I have just set up a three-node Lustre configuration, and initial testing shows what I think are slow results. The current configuration is 2 OSS, 1 MDS-MGS; each OSS/MGS

[lustre-discuss] Poor(?) Lustre performance

2022-04-16 Thread Finn Rawles Malliagh via lustre-discuss
Hi all, I have just set up a three-node Lustre configuration, and initial testing shows what I think are slow results. The current configuration is 2 OSS, 1 MDS-MGS; each OSS/MGS has 4x Intel P3600, 1x Intel P4800, Intel E810 100Gbe eth, 2x 6252, 380GB dram I am using Lustre 2.12.8, ZFS 0.7.13, ic