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

Tue Dec 27 21:53:02 PST 2022

Hi

Thank you for your reply
I have installed the following packages forClient side Configuration of
Lustre.
[image: image.png]
[image: image.png]

What steps need to be done after this?

After doing modprobe cluster I am getting the following error
[image: image.png]

Can you let me know if I am missing any steps?

On Tue, 20 Dec 2022 at 15:04, Degremont, Aurelien <degremoa at amazon.fr>
wrote:

> Hi
>
>
>
> Yes, both parameters at the same time are valid.
>
>
>
> Regarding the RPMS you installed. You picked a new kernel, did you reboot
> to use it? If not you should.
>
> You are missing those 2 packages, I’m even surprised Yum did not complain
> about missing deps.
>
> kmod-lustre-2.15.1-1.el8.x86_64.rpm
> <https://downloads.whamcloud.com/public/lustre/latest-release/el8.6/server/RPMS/x86_64/kmod-lustre-2.15.1-1.el8.x86_64.rpm>
>
> kmod-lustre-osd-ldiskfs-2.15.1-1.el8.x86_64.rpm
> <https://downloads.whamcloud.com/public/lustre/latest-release/el8.6/server/RPMS/x86_64/kmod-lustre-osd-ldiskfs-2.15.1-1.el8.x86_64.rpm>
>
>
>
> lustre-ldiskfs-dkms: you installed ldiskfs support as a DKMS package but
> not Lustre as a DKMS too. I recommend using the same for every package, so
> here, install the osd package above instead of your DKMS one.
>
>
>
> Probably the best for you is to setup
> https://downloads.whamcloud.com/public/lustre/latest-release/el8.6/server/
> as YUM additional repository.
>
>
>
> Aurélien
>
>
>
> *De : *lustre-discuss <lustre-discuss-bounces at lists.lustre.org> au nom de
> Taner KARAGÖL via lustre-discuss <lustre-discuss at lists.lustre.org>
> *Répondre à : *Taner KARAGÖL <karagol at aselsan.com.tr>
> *Date : *mardi 20 décembre 2022 à 07:12
> *À : *Nick dan <nickdan2999 at gmail.com>
> *Cc : *"lustre-discuss at lists.lustre.org" <lustre-discuss at lists.lustre.org>
> *Objet : *RE: [EXTERNAL][lustre-discuss] Problem in confugration of MGS
> and MDT server in lustre.
>
>
>
> *CAUTION*: This email originated from outside of the organization. Do not
> click links or open attachments unless you can confirm the sender and know
> the content is safe.
>
>
>
> *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
>
>
>
> 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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