Re: [zfs-discuss] Re: Mac OS X 10.5 read-only support for ZFS

2007-06-18 Thread Mario Goebbels
Here's one possible reason that a read-only ZFS would be useful: DVD-ROM distribution. built-in compression works for DVDs, too. Sector errors on DVD are not uncommon. Writing a DVD in ZFS format with duplicated data blocks would help protect against that problem, at the cost of

Re: [zfs-discuss] Re: Mac OS X 10.5 read-only support for ZFS

2007-06-18 Thread Tomas Ă–gren
On 18 June, 2007 - Mario Goebbels sent me these 3,2K bytes: Also, where does this single disk RAID notion come from? This sounds actually interesting. Is this a project actually in progress or to be considered? Sure, it doesn't prevent data loss on disk failure, however may improve the safety

Re: [zfs-discuss] Re: Mac OS X 10.5 read-only support for ZFS

2007-06-18 Thread Adam Leventhal
On Sun, Jun 17, 2007 at 09:38:51PM -0700, Anton B. Rang wrote: Sector errors on DVD are not uncommon. Writing a DVD in ZFS format with duplicated data blocks would help protect against that problem, at the cost of 50% or so disk space. That sounds like a lot, but with BluRay etc. coming along,

[zfs-discuss] Re: Mac OS X 10.5 read-only support for ZFS

2007-06-17 Thread Anton B. Rang
Here's one possible reason that a read-only ZFS would be useful: DVD-ROM distribution. Sector errors on DVD are not uncommon. Writing a DVD in ZFS format with duplicated data blocks would help protect against that problem, at the cost of 50% or so disk space. That sounds like a lot, but with

Re: [zfs-discuss] Re: Mac OS X 10.5 read-only support for ZFS

2007-06-17 Thread Richard Elling
Anton B. Rang wrote: Here's one possible reason that a read-only ZFS would be useful: DVD-ROM distribution. built-in compression works for DVDs, too. Sector errors on DVD are not uncommon. Writing a DVD in ZFS format with duplicated data blocks would help protect against that problem, at