Re: [zfs-discuss] Re: ZFS/UFS layout for 4 disk servers

2007-03-08 Thread Roch - PAE
Manoj Joseph writes: Matt B wrote: Any thoughts on the best practice points I am raising? It disturbs me that it would make a statement like don't use slices for production. ZFS turns on write cache on the disk if you give it the entire disk to manage. It is good for

Re[2]: [zfs-discuss] writes lost with zfs !

2007-03-08 Thread Robert Milkowski
Hello Manoj, Thursday, March 8, 2007, 7:10:57 AM, you wrote: MJ Ayaz Anjum wrote: 2. with zfs mounted on one cluster node, i created a file and keeps it updating every second, then i removed the fc cable, the writes are still continuing to the file system, after 10 seconds i have put back

Re: [zfs-discuss] Re: ZFS/UFS layout for 4 disk servers

2007-03-08 Thread Robert Milkowski
Hello Matt, Wednesday, March 7, 2007, 7:31:14 PM, you wrote: MB So it sounds like the consensus is that I should not worry about using slices with ZFS MB and the swap best practice doesn't really apply to my situation of a 4 disk x4200. MB So in summary(please confirm) this is what we are

Re: Re[2]: [zfs-discuss] writes lost with zfs !

2007-03-08 Thread Selim Daoud
robert, this applies only if you have full control on the application forsure ..but how do you do it if you don't own the application ... can you mount zfs with forcedirectio flag ? selim On 3/8/07, Robert Milkowski [EMAIL PROTECTED] wrote: Hello Manoj, Thursday, March 8, 2007, 7:10:57 AM,

Re[4]: [zfs-discuss] writes lost with zfs !

2007-03-08 Thread Robert Milkowski
Hello Selim, Thursday, March 8, 2007, 8:08:50 PM, you wrote: SD robert, SD this applies only if you have full control on the application forsure SD ..but how do you do it if you don't own the application ... can you SD mount zfs with forcedirectio flag ? No -- Best regards, Robert

Re: Re[2]: [zfs-discuss] writes lost with zfs !

2007-03-08 Thread Roch Bourbonnais
Le 8 mars 07 à 20:08, Selim Daoud a écrit : robert, this applies only if you have full control on the application forsure ..but how do you do it if you don't own the application ... can you mount zfs with forcedirectio flag ? selim ufs directio and O_DSYNC are different things. Would a

RE: Re[2]: [zfs-discuss] writes lost with zfs !

2007-03-08 Thread Bruce Shaw
Would a forcesync flag be something of interest to the community ? Yes. ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: Re[2]: [zfs-discuss] writes lost with zfs !

2007-03-08 Thread Selim Daoud
it's an absolute necessity On 3/8/07, Roch Bourbonnais [EMAIL PROTECTED] wrote: Le 8 mars 07 à 20:08, Selim Daoud a écrit : robert, this applies only if you have full control on the application forsure ..but how do you do it if you don't own the application ... can you mount zfs with

Re: [zfs-discuss] update on zfs boot support

2007-03-08 Thread Ian Collins
Lin Ling wrote: Ian Collins wrote: Thanks for the heads up. I'm building a new file server at the moment and I'd like to make sure I can migrate to ZFS boot when it arrives. My current plan is to create a pool on 4 500GB drives and throw in a small boot drive. Will I be able to drop