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Re: What vzctl --features nfs:on ... do? [message #32711 is a reply to message #32624]

Mon, 25 August 2008 11:38

maratrus
Messages: 1495
Registered: August 2007
Location: Moscow

Senior Member

Hi,

each process has a "struct ve_struct" associated with it (current->ve_task_info.exec_env), this struct contains different information about the VE for example it contains veid field. It also contains "__u64 features" field - it is responsible for the VE features.
When any VE starts the appropriate ve_struct is created.

So, when you set "nfs feature:on" vzctl put appropriate string inside VEID.conf file and when you start your VE this information goes to features field of the "struct ve_struct".

During the mount process inside VE nfs_get_sb function if called. It checks that VE_FEATURE_NFS must be set (if (!ve_is_super(ve) && !(get_exec_env()->features & VE_FEATURE_NFS))) otherwise it returns -ENODEV. So, to be able to mount nfs inside VE we have to set nfs feature for this VE.

Quote:

ps. does VE has nfs4 client support?

Unfortunately, not yet.

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[Message index]

		What vzctl --features nfs:on ... do? By: piavlo on Wed, 20 August 2008 10:55
		Re: What vzctl --features nfs:on ... do? By: piavlo on Sat, 23 August 2008 21:42
		Re: What vzctl --features nfs:on ... do? By: maratrus on Mon, 25 August 2008 11:38
		Re: What vzctl --features nfs:on ... do? By: piavlo on Mon, 25 August 2008 14:54
		Re: What vzctl --features nfs:on ... do? By: maratrus on Mon, 25 August 2008 15:02
		Re: What vzctl --features nfs:on ... do? By: piavlo on Mon, 25 August 2008 21:09
		Re: What vzctl --features nfs:on ... do? By: maratrus on Tue, 26 August 2008 08:34
		Re: What vzctl --features nfs:on ... do? By: piavlo on Mon, 01 September 2008 09:42
		Re: What vzctl --features nfs:on ... do? By: maratrus on Mon, 01 September 2008 10:45
		Re: What vzctl --features nfs:on ... do? By: piavlo on Mon, 01 September 2008 13:31
		Re: What vzctl --features nfs:on ... do? By: piavlo on Mon, 08 September 2008 09:24
		Re: What vzctl --features nfs:on ... do? By: maratrus on Wed, 10 September 2008 13:41
		Re: What vzctl --features nfs:on ... do? By: maratrus on Wed, 17 September 2008 12:17
		Re: What vzctl --features nfs:on ... do? By: piavlo on Thu, 18 September 2008 09:22
		Re: What vzctl --features nfs:on ... do? By: maratrus on Thu, 18 September 2008 11:12

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