Best approach to jails + zfs
Hi, I wanted to have the point of view of the community on the best approach in order to handle a quite large system with couple of jails (shouldn't have more than 5 to 10). Whole system is based on zfs. I'll use this as a backup server. I have been using the handbook approach so far. It is quite stable but the linked directories inside each jail is quite error prone and may be confusing. With this approach you can update all your jails at once… this is quite tempting, but if you have an error… all your jails are gone at once ! == you can't afford to have a kernel compile problem while updating your system or you're dead !! http://www.freebsd.org/doc//handbook/jails-build.html The other approach that I have found is to use create a base jail system using sysinstall and then zfs snapshot to clone It. You then use this to create a jail. You end up with couple of independent jails which are not linked to each other in any way. You can / need to update each jail one by one. http://vocalbit.com/article/402/freebsd-jails-using-zfs-and-bsdinstall • I wanted to know if the handbook approach is still the most recent one considering the latest progress in FBSD jail management ? • I wanted to know if you had some mixed approach that can leverage the risk of the handbook approach ? • Last but not least - do you have any good pointer to recent guide / howto / studies on the subject ? Thanks –– - Grégory Bernard Director - --- www.osnet.eu --- -- Your provider of OpenSource appliances -- –– OSnetOSnetOSnetOSnetOSnetOSnetOSnetOSnetOSnetO ___ freebsd-questions@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to freebsd-questions-unsubscr...@freebsd.org
Re: Best approach to jails + zfs
On Fri, 25 Jan 2013 18:25:06 +0100 bsd b...@todoo.biz wrote: Hi, I wanted to have the point of view of the community on the best approach in order to handle a quite large system with couple of jails (shouldn't have more than 5 to 10). Whole system is based on zfs. I'll use this as a backup server. You might like the sysutils/ezjail port - I use it for a very similar purpose and find it works well. -- Steve O'Hara-Smith st...@sohara.org ___ freebsd-questions@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to freebsd-questions-unsubscr...@freebsd.org
Re: Best approach to jails + zfs
Le 25 janv. 2013 à 18:41, Steve O'Hara-Smith a écrit : On Fri, 25 Jan 2013 18:25:06 +0100 bsd b...@todoo.biz wrote: Hi, I wanted to have the point of view of the community on the best approach in order to handle a quite large system with couple of jails (shouldn't have more than 5 to 10). Whole system is based on zfs. I'll use this as a backup server. You might like the sysutils/ezjail port - I use it for a very similar purpose and find it works well. -- Steve O'Hara-Smith st...@sohara.org I am a bit skeptical on the third party script approach. How stable has It been ? I have been using warden with PC-BSD TrueOS for testing and I have encountered all sorts of problems (not stable when you have two pools of disks - can't delete jail…)… Quite interesting approach, but not mature enough to be launched in production. I have finally gotten back to the FreeBSD root file system which I am using since couple of years now. It is not fancy, It does not provide script to ease your pain… But you understand what you are doing and It does what you tell him to do !! ZFS has introduced a new challenge, but now that I have understood (more or less) how It is working, I found It really great! Just trying to figure out the best way to use both Jail + ZFS. But I might re-consider my position… Does ezjail comply with the latest FreeBSD 9 / 9.1 advances in jail / ZFS management improvement ? Thanks for your feedback. –– - Grégory Bernard Director - --- www.osnet.eu --- -- Your provider of OpenSource appliances -- –– OSnetOSnetOSnetOSnetOSnetOSnetOSnetOSnetOSnetO ___ freebsd-questions@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to freebsd-questions-unsubscr...@freebsd.org
Re: Best approach to jails + zfs
On Fri, 25 Jan 2013 19:14:45 +0100 bsd b...@todoo.biz wrote: Le 25 janv. 2013 à 18:41, Steve O'Hara-Smith a écrit : On Fri, 25 Jan 2013 18:25:06 +0100 bsd b...@todoo.biz wrote: Hi, I wanted to have the point of view of the community on the best approach in order to handle a quite large system with couple of jails (shouldn't have more than 5 to 10). Whole system is based on zfs. I'll use this as a backup server. You might like the sysutils/ezjail port - I use it for a very similar purpose and find it works well. -- Steve O'Hara-Smith st...@sohara.org I am a bit skeptical on the third party script approach. How stable has It been ? Rock solid - for me YMMV of course. The underpinnings are quite straightforward so it should be easy to fix anything that does go astray. ZFS has introduced a new challenge, but now that I have understood (more or less) how It is working, I found It really great! Just trying to figure out the best way to use both Jail + ZFS. But I might re-consider my position… Does ezjail comply with the latest FreeBSD 9 / 9.1 advances in jail / ZFS management improvement ? I'm using it on a 9,1 box to admin a bunch of 9.1 jails. It doesn't require ZFS but it can use it (along with a variety of other storage options). It uses standard ZFS commands to do it's work with ZFS. It's just a shell script program (albeit a 1500 line one), I might have written a simpler, cruder one myself had it not existed and worked. -- Steve O'Hara-Smith st...@sohara.org ___ freebsd-questions@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to freebsd-questions-unsubscr...@freebsd.org
