[lustre-discuss] Problem in confugration of MGS and MDT server in lustre.

[Taner KARAGÖL]

UNCLASSIFIED

Hi,

Is it valid to use two parameters at the same time?  “--mgs –mdt”   I dont think so.

Regards,

From: lustre-discuss <lustre-discuss-bounces at lists.lustre.org> On Behalf Of Nick dan via lustre-discuss
Sent: Tuesday, December 20, 2022 7:17 AM
To: lustre-discuss at lists.lustre.org
Subject: [lustre-discuss] Problem in confugration of MGS and MDT server in lustre.

Hi,
Nick here Trying to configure Lustre MGS and MDT on Redhat 8.6.
Referred from  https://www.lustre.org/
Successfully downloaded and installed the following packages by using yum install command:

yum install https://downloads.whamcloud.com/public/lustre/latest-release/el8.6/server/RPMS/x86_64/kernel-4.18.0-372.9.1.el8_lustre.x86_64.rpm
yum install https://downloads.whamcloud.com/public/lustre/latest-release/el8.6/server/RPMS/x86_64/lustre-2.15.1-1.el8.x86_64.rpm
yum install https://downloads.whamcloud.com/public/lustre/latest-release/el8.6/server/RPMS/x86_64/lustre-ldiskfs-dkms-2.15.1-1.el8.noarch.rpm
yum install https://downloads.whamcloud.com/public/lustre/latest-release/el8.6/server/RPMS/x86_64/lustre-osd-ldiskfs-mount-2.15.1-1.el8.x86_64.rpm
yum install https://downloads.whamcloud.com/public/e2fsprogs/latest/el8/RPMS/x86_64/e2fsprogs-1.46.2.wc5-0.el8.x86_64.rpm
yum install https://downloads.whamcloud.com/public/e2fsprogs/latest/el8/RPMS/x86_64/e2fsprogs-libs-1.46.2.wc5-0.el8.x86_64.rpm
yum install https://downloads.whamcloud.com/public/e2fsprogs/latest/el8/RPMS/x86_64/libcom_err-1.46.2.wc5-0.el8.x86_64.rpm
yum install https://downloads.whamcloud.com/public/e2fsprogs/latest/el8/RPMS/x86_64/libss-1.46.2.wc5-0.el8.x86_64.rpm
After this trying to do mkfs.lustre on my available NVMe-disk(nvme1n1)Mentioned in the below Fig
[image.png]

And did the mkfs.lusre on it and getting the error .


mkfs.lustre --fsname=lustre  --mgs --mdt --index=0  /dev/nvme1n1

   Permanent disk data:
Target:     lustre:MDT0000
Index:      0
Lustre FS:  lustre
Mount type: ldiskfs
Flags:      0x65
              (MDT MGS first_time update )
Persistent mount opts: user_xattr,errors=remount-ro
Parameters:

checking for existing Lustre data: not found
device size = 953869MB
formatting backing filesystem ldiskfs on /dev/nvme1n1
        target name   lustre:MDT0000
        kilobytes     976762584
        options        -J size=4096 -I 1024 -i 2560 -q -O dirdata,uninit_bg,^extents,dir_nlink,quota,project,huge_file,ea_inode,large_dir,^fast_commit,flex_bg -E lazy_journal_init="0",lazy_itable_init="0" -F
mkfs_cmd = mke2fs -j -b 4096 -L lustre:MDT0000  -J size=4096 -I 1024 -i 2560 -q -O dirdata,uninit_bg,^extents,dir_nlink,quota,project,huge_file,ea_inode,large_dir,^fast_commit,flex_bg -E lazy_journal_init="0",lazy_itable_init="0" -F /dev/nvme1n1 976762584k
mkfs.lustre: Unable to mount /dev/nvme1n1: No such device
Is the ldiskfs module available?
mkfs.lustre FATAL: failed to write local files
mkfs.lustre: exiting with 19 (No such device)

Can you help where am I going wrong?

Regards,

Nick

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Dikkat:

Bu elektronik posta mesaji kisisel ve ozeldir. Eger size 
gonderilmediyse lutfen gondericiyi bilgilendirip mesaji siliniz. 
Firmamiza gelen ve giden mesajlar virus taramasindan gecirilmekte, 
guvenlik nedeni ile kontrol edilerek saklanmaktadir. Mesajdaki 
gorusler ve bakis acisi gondericiye ait olup Aselsan A.S. resmi 
gorusu olmak zorunda degildir.

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