[Linux-cluster] Re: "gfs_mkfs -p LockProtoName" problem

孙俊伟 sunjw at onewaveinc.com
Mon Nov 1 07:50:23 UTC 2004


>> Hello,all.
>> 	How can I use the LockProtoName: lock_gulm,lock_nolock?
>> When I use lock_gulm to make gfs filesystem,I can not mount the filesystem.
>> When lock_nolock, the gfs can be mounted,but when writed, the kernel paniced.
>> Is that true that I can only use lock_dlm in GFS 6.1pre2 + kernel 2.6.8.1 ?
>
>What error messages are being printed to the syslog and console on mount?  
>(`dmesg` is your friend!)  Is lock_gulmd running?  Did you name the
>filesystem with the correct -t option?
Oh, yes. The module "lock_gulm" and the daemon "lock_gulmd" are both absent,I get the reason.
So which lock module does work better on GFS 6.1+kernel 2.6? Such as performance and stability?
lock_dlm or lock_gulm? 
>
>When you are using lock_nolock to mount the filesystem, are you doing it
>from more than one node?  lock_nolock is ok for a single node, but it
>doesn't do any locking, so if you mount it from a second node you will
>corrupt your filesystem and see kernel panics.

Best regards!

Luckey Sun





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