Hi Darren, Thanks - IBM basically haven't test clearcase with ZFS compression therefore, they don't support currently. Future may change, as such my customer cannot use compression. I have asked IBM for roadmap info to find whether/when it will be supported.
Thanks Roshan ----- Original Message ----- From: Darren J Moffat <darr...@opensolaris.org> Date: Thursday, February 4, 2010 11:59 am Subject: Re: [zfs-discuss] ZFS compression on Clearcase To: Roshan Perera <roshan.per...@sun.com> Cc: zfs-discuss@opensolaris.org > On 04/02/2010 11:54, Roshan Perera wrote: > >Anyone in the group using ZFS compression on clearcase vobs? If so > any issues, gotchas? > > There shouldn't be any issues and I'd be very surprised if there was. > > >IBM support informs that ZFS compression is not supported. Any views > on this? > > Need more data on why the claim it isn't supported - what issue have > they seen or do they thing there could be. I see no reason that ZFS > compression wouldn't be supported, in fact Clearcase shouldn't even be > able to tell. > > Compression in ZFS is completely below the POSIX filesystem layer and > completely out of the control of any application or even kernel > service like NFS or CIFS that just uses POSIX interfaces. Same is > true of deduplication and will be true of encryption when it > integrates as well. > > -- > Darren J Moffat > _______________________________________________ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
