Re: [zfs-discuss] Re: Re: Re: Re: Proposal: multiple copies of user data

2006-09-16 Thread Wee Yeh Tan
On 9/15/06, can you guess? [EMAIL PROTECTED] wrote: Implementing it at the directory and file levels would be even more flexible: redundancy strategy would no longer be tightly tied to path location, but directories and files could themselves still inherit defaults from the filesystem and

Re: [zfs-discuss] Re: Re: Re: Re: Proposal: multiple copies of user data

2006-09-15 Thread Bill Moore
On Fri, Sep 15, 2006 at 01:23:31AM -0700, can you guess? wrote: Implementing it at the directory and file levels would be even more flexible: redundancy strategy would no longer be tightly tied to path location, but directories and files could themselves still inherit defaults from the

Re: [zfs-discuss] Re: Re: Re: Re: Proposal: multiple copies of user data

2006-09-12 Thread Chad Lewis
On Sep 12, 2006, at 4:39 PM, Celso wrote: On 12/09/06, Celso [EMAIL PROTECTED] wrote: I think it has already been said that in many peoples experience, when a disk fails, it completely fails. Especially on laptops. Of course ditto blocks wouldn't help you in this situation either! Exactly.

Re: [zfs-discuss] Re: Re: Re: Re: Proposal: multiple copies of user data

2006-09-12 Thread Jeff Victor
Chad Lewis wrote: On Sep 12, 2006, at 4:39 PM, Celso wrote: the proposed solution differs in one important aspect: it automatically detects data corruption. Detecting data corruption is a function of the ZFS checksumming feature. The proposed solution has _nothing_ to do with detecting

Re: [zfs-discuss] Re: Re: Re: Re: Proposal: multiple copies of user data

2006-09-12 Thread David Dyer-Bennet
On 9/12/06, Celso [EMAIL PROTECTED] wrote: Whether it's hard to understand is debatable, but this feature integrates very smoothly with the existing infrastructure and wouldn't cause any trouble when extending or porting ZFS. OK, given this statement... Just for the record, these

Re: [zfs-discuss] Re: Re: Re: Re: Proposal: multiple copies of user data

2006-09-12 Thread Torrey McMahon
David Dyer-Bennet wrote: While I'm not a big fan of this feature, if the work is that well understood and that small, I have no objection to it. (Boy that sounds snotty; apologies, not what I intend here. Those of you reading this know how muich you care about my opinion, that's up to you.)