Re: Re[2]: [zfs-discuss] se3510 and ZFS

2007-02-07 Thread Roch - PAE
Robert Milkowski writes: > Hello Jonathan, > > Tuesday, February 6, 2007, 5:00:07 PM, you wrote: > > JE> On Feb 6, 2007, at 06:55, Robert Milkowski wrote: > > >> Hello zfs-discuss, > >> > >> It looks like when zfs issues write cache flush commands se3510 > >> actually honors it. I

Re: Re[2]: [storage-discuss] Re[2]: [zfs-discuss] se3510 and ZFS

2007-02-06 Thread eric kustarz
On Feb 6, 2007, at 10:43 AM, Robert Milkowski wrote: Hello eric, Tuesday, February 6, 2007, 5:55:23 PM, you wrote: IIRC Bill posted here some tie ago saying the problem with write cache on the arrays is being worked on. ek> Yep, the bug is: ek> 6462690 sd driver should set SYNC_NV bit

Re: [storage-discuss] Re[2]: [zfs-discuss] se3510 and ZFS

2007-02-06 Thread Neil Perrin
Robert Milkowski wrote On 02/06/07 11:43,: Hello eric, Tuesday, February 6, 2007, 5:55:23 PM, you wrote: IIRC Bill posted here some tie ago saying the problem with write cache on the arrays is being worked on. ek> Yep, the bug is: ek> 6462690 sd driver should set SYNC_NV bit when issuing

Re[2]: [storage-discuss] Re[2]: [zfs-discuss] se3510 and ZFS

2007-02-06 Thread Robert Milkowski
Hello eric, Tuesday, February 6, 2007, 5:55:23 PM, you wrote: >> >> IIRC Bill posted here some tie ago saying the problem with write cache >> on the arrays is being worked on. ek> Yep, the bug is: ek> 6462690 sd driver should set SYNC_NV bit when issuing SYNCHRONIZE ek> CACHE to ek> SBC-2 devi

Re: Re[2]: [zfs-discuss] se3510 and ZFS

2007-02-06 Thread Jonathan Edwards
On Feb 6, 2007, at 11:46, Robert Milkowski wrote: Does anybody know how to tell se3510 not to honor write cache flush commands? JE> I don't think you can .. DKIOCFLUSHWRITECACHE *should* tell the array JE> to flush the cache. Gauging from the amount of calls that zfs makes to JE>

Re: [storage-discuss] Re[2]: [zfs-discuss] se3510 and ZFS

2007-02-06 Thread eric kustarz
IIRC Bill posted here some tie ago saying the problem with write cache on the arrays is being worked on. Yep, the bug is: 6462690 sd driver should set SYNC_NV bit when issuing SYNCHRONIZE CACHE to SBC-2 devices We have a case going through PSARC that will make things works correctly with

Re[2]: [zfs-discuss] se3510 and ZFS

2007-02-06 Thread Robert Milkowski
Hello Jonathan, Tuesday, February 6, 2007, 5:00:07 PM, you wrote: JE> On Feb 6, 2007, at 06:55, Robert Milkowski wrote: >> Hello zfs-discuss, >> >> It looks like when zfs issues write cache flush commands se3510 >> actually honors it. I do not have right now spare se3510 to be 100% >> sure