Re: [zfs-discuss] Re: The ZFS MOS and how DNODES are stored

2007-02-08 Thread Matthew Ahrens
Bill Moloney wrote: Thanks for the input Darren, but I'm still confused about DNODE atomicity ... it's difficult to imagine that a change that is made anyplace in the zpool would require copy operations all the way back up to the uberblock This is in fact what happens. However, these changes

Re: [zfs-discuss] Re: The ZFS MOS and how DNODES are stored

2007-02-07 Thread Darren Dunham
> Thanks for the input Darren, but I'm still confused about DNODE > atomicity ... it's difficult to imagine that a change that is made > anyplace in the zpool would require copy operations all the way back > up to the uberblock (e.g. if some single file in one of many file > systems in a zpool was

[zfs-discuss] Re: The ZFS MOS and how DNODES are stored

2007-02-07 Thread Bill Moloney
Thanks for the input Darren, but I'm still confused about DNODE atomicity ... it's difficult to imagine that a change that is made anyplace in the zpool would require copy operations all the way back up to the uberblock (e.g. if some single file in one of many file systems in a zpool was suddenl