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Fri, 26 Jan 2024 07:26:23 +0000 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Precedence: bulk X-Mailing-List: linux-nfs@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 From: "NeilBrown" To: "Dan Shelton" Cc: "Chuck Lever III" , "Cedric Blancher" , "Jeff Layton" , "Lorenzo Bianconi" , "Dai Ngo" , "Olga Kornievskaia" , "Tom Talpey" , "Linux NFS Mailing List" Subject: Re: Should we establish a new nfsdctl userland program? In-reply-to: References: <8a7bbc05b6515109692cb88ad68374d14fc01eca.camel@kernel.org>, , <66892D4F-4721-48E5-A088-BD75500275AD@oracle.com>, Date: Fri, 26 Jan 2024 18:26:17 +1100 Message-id: <170625397708.21664.9569848474622251060@noble.neil.brown.name> Authentication-Results: smtp-out2.suse.de; dkim=pass header.d=suse.de header.s=susede2_rsa header.b="h2uQ0i/I"; dkim=pass header.d=suse.de header.s=susede2_ed25519 header.b=30ZhKQU0 X-Spamd-Result: default: False [-3.26 / 50.00]; RCVD_VIA_SMTP_AUTH(0.00)[]; SPAMHAUS_XBL(0.00)[2a07:de40:b281:104:10:150:64:97:from]; RCVD_COUNT_THREE(0.00)[3]; TO_DN_ALL(0.00)[]; DKIM_TRACE(0.00)[suse.de:+]; MX_GOOD(-0.01)[]; RCPT_COUNT_SEVEN(0.00)[9]; FREEMAIL_TO(0.00)[gmail.com]; FROM_EQ_ENVFROM(0.00)[]; MIME_TRACE(0.00)[0:+]; SUBJECT_ENDS_QUESTION(1.00)[]; BAYES_HAM(-0.45)[78.95%]; ARC_NA(0.00)[]; R_DKIM_ALLOW(-0.20)[suse.de:s=susede2_rsa,suse.de:s=susede2_ed25519]; RCVD_DKIM_ARC_DNSWL_HI(-1.00)[]; FROM_HAS_DN(0.00)[]; FREEMAIL_ENVRCPT(0.00)[gmail.com]; TO_MATCH_ENVRCPT_ALL(0.00)[]; TAGGED_RCPT(0.00)[]; MIME_GOOD(-0.10)[text/plain]; DWL_DNSWL_HI(-3.50)[suse.de:dkim]; DKIM_SIGNED(0.00)[suse.de:s=susede2_rsa,suse.de:s=susede2_ed25519]; DBL_BLOCKED_OPENRESOLVER(0.00)[suse.de:dkim]; FUZZY_BLOCKED(0.00)[rspamd.com]; FREEMAIL_CC(0.00)[oracle.com,gmail.com,kernel.org,redhat.com,talpey.com,vger.kernel.org]; RCVD_TLS_ALL(0.00)[]; SUSPICIOUS_RECIPS(1.50)[]; RCVD_IN_DNSWL_HI(-0.50)[2a07:de40:b281:104:10:150:64:97:from] X-Rspamd-Server: rspamd1.dmz-prg2.suse.org X-Rspamd-Queue-Id: 16C031FB65 X-Spam-Level: X-Spam-Score: -3.26 X-Spam-Flag: NO On Fri, 26 Jan 2024, Dan Shelton wrote: > > Also, it might be good for hosters to allow more than one nfsd > instance with seperate exports file, each running on its own > address/port combination. And not force them to use a VM to bloat > resources. This is possible with containers. If you try to start nfsd in a new network namespace, it will be a new instance independent of nfsd running in any other namespace. You would need a filesystem namespace of the various tools to see the /etc/exports that you want it to. I would like it to be easier to configure this, but I'm certain that namespaces are the right way to create a new instance. (It might be nice to allow separate NFSD namespaces in the same network namespace but we'd need clear evidence that using network namespaces causes genuine problems.) NeilBrown