Re: [zfs-discuss] History of EPERM for unlink() of directories on ZFS?

2012-06-26 Thread Lionel Cons
On 25 June 2012 11:33, casper@oracle.com wrote: Does someone know the history which led to the EPERM for unlink() of directories on ZFS? Why was this done this way, and not something like allowing the unlink and execute it on the next scrub or remount? It's not about the unlink(), it's

Re: [zfs-discuss] History of EPERM for unlink() of directories on ZFS?

2012-06-26 Thread Lionel Cons
On 26 June 2012 14:51, casper@oracle.com wrote: To be honest, I think we should also remove this from all other filesystems and I think ZFS was created this way because all modern filesystems do it that way. This may be wrong way to go if it breaks existing applications which rely on

[zfs-discuss] History of EPERM for unlink() of directories on ZFS?

2012-06-25 Thread Lionel Cons
Does someone know the history which led to the EPERM for unlink() of directories on ZFS? Why was this done this way, and not something like allowing the unlink and execute it on the next scrub or remount? Lionel ___ zfs-discuss mailing list

Re: [zfs-discuss] Remedies for suboptimal mmap performance on zfs

2012-05-28 Thread Lionel Cons
On Mon, May 28, 2012 at 9:06 PM, Iwan Aucamp aucam...@gmail.com wrote: I'm getting sub-optimal performance with an mmap based database (mongodb) which is running on zfs of Solaris 10u9. System is Sun-Fire X4270-M2 with 2xX5680 and 72GB (6 * 8GB + 6 * 4GB) ram (installed so it runs at 1333MHz)

Re: [zfs-discuss] Remedies for suboptimal mmap performance on zfs

2012-05-28 Thread Lionel Cons
On 28 May 2012 22:10, Richard Elling richard.ell...@gmail.com wrote: The only recommendation which will lead to results is to use a different OS or filesystem. Your choices are - FreeBSD with ZFS - Linux with BTRFS - Solaris with QFS - Solaris with UFS - Solaris with NFSv4, use ZFS on