resending in plain text ________________________________ From: Cirillo Costantino <linoc@xxxxxxxxxxx> To: Hugo Mills <hugo@xxxxxxxxxxxxx> Cc: ""linux-btrfs@xxxxxxxxxxxxxxx"" <linux-btrfs@xxxxxxxxxxxxxxx> Sent: Monday, December 9, 2013 1:05 PM Subject: Re: Btrfs questions thanks Hugo, the link you sent indicates that has been "submitted" but it is not in a kernel release... does it mean it could be in a 3.14 or 15 release? with the release of Haswell from Intel, persistent memory will be possible and cheap... portions of this memory could be made visible as block devices and mirrored for protection to a neighboring system for later replay in the event of a crash or power outage; how are such feature request be included in btrfs? lino ________________________________ From: Hugo Mills <hugo@xxxxxxxxxxxxx> To: Cirillo Costantino <linoc@xxxxxxxxxxx> Cc: ""linux-btrfs@xxxxxxxxxxxxxxx"" <linux-btrfs@xxxxxxxxxxxxxxx> Sent: Monday, December 9, 2013 12:08 PM Subject: Re: Btrfs questions On Mon, Dec 09, 2013 at 12:02:02PM -0800, Cirillo Costantino wrote: > > > i am looking at using btrfs for a new project and i have a few questions: > > * i have heard that as it currently stands Btrfs has some issues to be used as a Lustre file system; is he aware of the issues and any plans to address these and integrate Btrfs in to Lustre I don't recall seeing any Lustre-specific issues being reported here. Do you have any links to bug reports with this configuration? > * any plans to support native clustering on Btrfs No: https://btrfs.wiki.kernel.org/index.php/FAQ#Will_Btrfs_become_a_clustered_file_system > * on ZFS the ZIL is a separate device, any plans to implement a the B-Tree log on a separate device? Not that I'm aware of, but it may come out of the work below. > * any plans to allow to have a file system metadata be placed on a separate device https://btrfs.wiki.kernel.org/index.php/Project_ideas#Device_IO_Priorities ... but it's not being worked on right now. Hugo. -- === Hugo Mills: hugo@... carfax.org.uk | darksatanic.net | lug.org.uk === PGP key: 65E74AC0 from wwwkeys.eu.pgp.net or http://www.carfax.org.uk --- Great oxymorons of the world, no. 5: Manifesto Promise --- -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
