[Lustre-discuss] OSS Node Hard Disk Changing Procedure

[Artem Blagodarenko]

Hello,

I can't give exact script for changing HDD on OSS, but this document can help to 
understand OST deactivating and activating process, backup and restore procedures.

http://wiki.lustre.org/manual/LustreManual20_HTML/LustreMaintenance.html

Best regards,
Artem Blagodarenko.
 
On 13.03.2012, at 10:55, VIJESH EK wrote:

> Dear Sir,
>  
> We have a HPC setup with four OSS server(OSS1 to OSS4) and two MDS Nodes(MDS1 to MDS2)
> OSS1 & OSS2 ,OSS3 & OSS4 clustered each other
> In OSS4 logs i am getting the following   "unreadable" error continuously. So yesterday i runned fsck
> and fixed some errors . Today the same type of error is comes again continuously.
> 
> Feb 26 06:24:43 oss4 smartd[9306]: Device: /dev/sda, 2 Currently unreadable (pending) sectors 
> Feb 26 06:54:43 oss4 smartd[9306]: Device: /dev/sda, 2 Currently unreadable (pending) sectors 
> Feb 26 07:24:43 oss4 smartd[9306]: Device: /dev/sda, 2 Currently unreadable (pending) sectors
> 
> /dev/sda is a local hard disk. So i desired to  change the local hard disk of the OSS4 server
> I required a help from lustre team for the the easiest way to change the HDD in OSS Node.
> The server is running now,so can  anybody suggest me the procedure to change the HDD in OSS servers ?
>  
>  
> Rgds
>  
> VIJESH
>  
>  
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