unionfs and nullfs combination

2017-02-19 Thread Nikos Vassiliadis
Hi, One relatively cheap way to create thin jails in the pre-ZFS era, was to combine nullfs and unionfs (1). This seem to work only in 10 and previous branches. Do you use such a combination? It seems like a very relevant feature nowadays, when people use all these cloud-based systems, which oft

Re: unionfs and nullfs combination

2017-02-19 Thread Kurt Jaeger
Hi! > One relatively cheap way to create thin jails in the pre-ZFS era, > was to combine nullfs and unionfs (1). This seem to work only in > 10 and previous branches. Do you use such a combination? We had this running with FreeBSD 6.x, but unionfs had issues, among them the whiteout problem. If

Re: unionfs and nullfs combination

2017-02-19 Thread Kurt Jaeger
Hi! > One relatively cheap way to create thin jails in the pre-ZFS era, > was to combine nullfs and unionfs (1). This seem to work only in > 10 and previous branches. Do you use such a combination? Ah, to correct myself here: We only used unionfs, not in combination with nullfs. Can you describe

Re: unionfs and nullfs combination

2017-02-19 Thread Nikos Vassiliadis
Hi Kurt, On 02/19/2017 12:59 PM, Kurt Jaeger wrote: Ah, to correct myself here: We only used unionfs, not in combination with nullfs. Can you describe why nullfs with unionfs does not work in 11 ? It panics easily. I use the following shell script to create a working environment: PREFIX=/jai

Re: unionfs and nullfs combination

2017-02-19 Thread Nikos Vassiliadis
Hi Kurt, On 02/19/2017 12:56 PM, Kurt Jaeger wrote: We had this running with FreeBSD 6.x, but unionfs had issues, among them the whiteout problem. I am not sure exactly when unionfs was re-written... Sometime during 7-CURRENT but I am not sure if everything was backported to 6. It seems lik