[Bug-tar] Problem with gnu tar and ZFS on Linux

2018-06-21 Thread Pieter Bowman
We have been using gnu tar with amanda to backup our ZFS filesystems on Solaris (both SPARC and x86) for more than 10 years. We take a ZFS snapshot (destroying the previous snapshot if it exists), run amanda pointing to the snapshot directory. We are in the process of replacing our old Solaris x8

Re: [Bug-tar] Problem with gnu tar and ZFS on Linux

2018-06-21 Thread Joerg Schilling
Pieter Bowman wrote: > We have been using gnu tar with amanda to backup our ZFS filesystems > on Solaris (both SPARC and x86) for more than 10 years. We take a ZFS Did you ever run a restore operation? > snapshot (destroying the previous snapshot if it exists), run amanda > pointing to the sna

Re: [Bug-tar] Problem with gnu tar and ZFS on Linux

2018-06-21 Thread Andreas Dilger
On Jun 21, 2018, at 9:23 AM, Pieter Bowman wrote: > > We have been using gnu tar with amanda to backup our ZFS filesystems > on Solaris (both SPARC and x86) for more than 10 years. We take a ZFS > snapshot (destroying the previous snapshot if it exists), run amanda > pointing to the snapshot dir

Re: [Bug-tar] Problem with gnu tar and ZFS on Linux

2018-06-21 Thread Paul Eggert
On 06/21/2018 09:53 AM, Andreas Dilger wrote: Keep your old snapshot around after you create the new one, and run "stat(1)" > on the same file in both snapshots to see if there are any other differences > besides the device number that may be causing tar to think the file changed. Yes, this is