Many years ago when I was using Lustre-1.8.X, I used to suffer the
same nightmare as you now. The following procedure saved me. But
I am not sure whether it works to you or not.
Thank you! I had found this recipe, but in new lustre versions it
does not work, ll_recover_lost_found_objs does
Dear Serg,
Many years ago when I was using Lustre-1.8.X, I used to suffer the
same nightmare as you now. The following procedure saved me. But
I am not sure whether it works to you or not.
1. umount all the clients, umount OST.
2. mount OST as ldiskfs:
mount -t ldiskfs /dev/ /mnt
3.
Dear Nguyen,
Usually the upgrade procedure is the following:
1. Shutdown the Lustre file system completely.
(umount all the clients and servers)
2. In all the clients and servers, install the new version of Lustre
software. If your servers are Lustre with ldiskfs backend, please
Hi there,
Can anyone advise me the safe way to upgrade Lustre server from 2.5.3 to
2.10.x or 2.12.x? I am running 2.5.3 on CentOS 6.5 with a FDR card. I now
have to upgrade the card to EDR or HDR.
And, is there anyone successfully connecting servers with the mix of EDR
and HDR200? And how?
Best
Hi Lustre Community ,
Could you help me solve my luster perfomance problem. ?
I have just set up several Lustre gateways between two infiniband networks A
and B.
Node A <--> Getway <--> Node B
lustre 2.12.2 Lustre 2.13.3 Lustre 2.12.3
I am using ConnectX
Hello!
Please, help to resolve... One ost on my lustre installation has been
failed. It lost all fs metadatam so I couldn't mount it as lustre
filesystem. I've checked it by e2fsck and all data was moved into
lost+found folder. Then I moved this folder to another storage,
re-created this
Sorry, I typed the wrong word.
You should replace qouta by quota.
Anilkumar Naik 于2020年11月30日周一 下午2:41写道：
> Below commands having errors for me. From our lustre details, could you
> please provide exact command to run at our server.thank you.
>
> Regards,
> Anilkumar
>
> On Mon, 30 Nov, 2020,
Thanks!
I will try it and update result to you.
Nguyen Viet Cuong
On Mon, Nov 30, 2020 at 4:00 PM Tung-Han Hsieh <
thhs...@twcp1.phys.ntu.edu.tw> wrote:
> Hello,
>
> It is OK. We have a cluster with Lustre-2.5.3 installed in
> the Lustre servers, and the clients with Lustre 2.5.3, 2.10.7,
>
Hello,
It is OK. We have a cluster with Lustre-2.5.3 installed in
the Lustre servers, and the clients with Lustre 2.5.3, 2.10.7,
and 2.12.5 mounted the Lustre-2.5.3 servers. So far there is
no problems.
Cheers,
T.H.Hsieh
On Mon, Nov 30, 2020 at 03:48:07PM +0700, Nguyen Viet Cuong wrote:
> Hi
Hi there,
Did anyone try to use 2.12 client with 2.5 server? Is it compatible? If I
take a test on a live system, any risk?
Thanks!
Cuong Nguyen
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