[lustre-discuss] Mounting Lustre Client through non root user

2023-02-02 Thread Nick dan via lustre-discuss
Hi I want to mount the lustre client on the non-root user I have added the following line in /etc/fstab file 192.168.10.11:/lustre/home/user/aa lustrerw,noauto,user,sync 0 0 But when I am trying to mount through my non-root user, I am receiving this error [user@cl01 ~]$ mount

Re: [lustre-discuss] Mistake while removing an OST

2023-02-02 Thread Stephane Thiell via lustre-discuss
lctl del_ost was added in the upcoming Lustre 2.16 to remove a specific OST while the filesystem is online. What it does is actually launching the llog_cancel commands for the specified OST, hence with reduced risk of user errors (like what happened here). We have used it several times in

[lustre-discuss] Regarding Lustre with ZFS

2023-02-02 Thread Nick dan via lustre-discuss
Hi I am using Red Hat Enterprise Linux 8.6 (Ootpa), with Kernel Linux 4.18.0-372.9.1.el8_lustre.x86_64 and Lustre Version 2.15.1. I was previously using ldiskfs and now I want to use ZFS with Lustre. Can you let me know what packages need to be installed? I have the following packages installed

Re: [lustre-discuss] Full List of Required Open Lustre Ports?

2023-02-02 Thread Andreas Dilger via lustre-discuss
Ellis, the addition of dynamic conns_per_peer for TCP connections is relatively new. There would be no performance "regression" against earlier Lustre releases (which always had the equivalent of conns_per_peer=1), just not additional performance gains for high-speed Ethernet interfaces. The

Re: [lustre-discuss] Mistake while removing an OST

2023-02-02 Thread Andreas Dilger via lustre-discuss
You should follow the documented process, that's why it is documented. All targets need to be unmounted to make it work properly. On Feb 2, 2023, at 01:08, BALVERS Martin mailto:martin.balv...@danone.com>> wrote: Hi Andreas, Thank you for answering. Can I just run the ‘tunefs.lustre

Re: [lustre-discuss] Mistake while removing an OST

2023-02-02 Thread BALVERS Martin via lustre-discuss
Hi Andreas, Thank you for answering. Can I just run the ‘tunefs.lustre --writeconf /dev/ost_device’ on the affected server (serving OST0002 in my case) on a live filesystem? So unmount OST0002, issue writeconf command and mount OST0002 again? Or should I follow the procedure as described in