Hi: I follow https://wiki.lustre.org/Installing_the_Lustre_Software to install lustre.
My kernel is $ uname -r 4.18.0-477.13.1.el8_8.x86_64 I install https://downloads.whamcloud.com/public/lustre/lustre-2.15.3/el8.8/server https://downloads.whamcloud.com/public/lustre/lustre-2.15.3/el8.8/client https://downloads.whamcloud.com/public/e2fsprogs/1.47.0.wc2/el8 lsmod | grep lustre *lustre* 1048576 0 lmv 204800 1 *lustre* mdc 282624 1 *lustre* lov 344064 2 mdc,*lustre* ptlrpc 2490368 7 fld,osc,fid,lov,mdc,lmv,*lustre* obdclass 3633152 8 fld,osc,fid,ptlrpc,lov,mdc,lmv,*lustre* lnet 704512 7 osc,obdclass,ptlrpc,ksocklnd,lmv,*lustre* libcfs 266240 11 fld,lnet,osc,fid,obdclass,ptlrpc,ksocklnd,lov,mdc,lmv, *lustre*lsmod | grep zfs lsmod | grep zfs *zfs* 3887104 0 zunicode 335872 1 *zfs* zzstd 512000 1 *zfs* zlua 176128 1 *zfs* zavl 16384 1 *zfs* icp 319488 1 *zfs* zcommon 102400 2 *zfs*,icp znvpair 90112 2 *zfs*,zcommon spl 114688 6 *zfs*,icp,zzstd,znvpair,zcommon,zavl I am able to create mgs/mdt/ost But when I try to mount sudo mount.lustre lustre-mgs/mgs /lustre/mnt mount.lustre: mount lustre-mgs/mgs at /lustre/mnt failed: No such device Are the lustre modules loaded? Check /etc/modprobe.conf and /proc/filesystems dmesg gives these error [76783.604090] LustreError: 158-c: Can't load module 'osd-zfs' [76783.606174] LustreError: 223535:0:(genops.c:361:class_newdev()) OBD: unknown type: osd-zfs [76783.607856] LustreError: 223535:0:(obd_config.c:620:class_attach()) Cannot create device MGS-osd of type osd-zfs : -19 [76783.609805] LustreError: 223535:0:(obd_mount.c:195:lustre_start_simple()) MGS-osd attach error -19 [76783.611426] LustreError: 223535:0:(obd_mount_server.c:1993:server_fill_super()) Unable to start osd on lustre-mgs/mgs: -19 [76783.613457] LustreError: 223535:0:(super25.c:183:lustre_fill_super()) llite: Unable to mount <unknown>: rc = -19
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