Re: [zfs-discuss] Re: Flushing synchronous writes to mirrors

2006-07-30 Thread James C. McPherson
Andrew wrote: Jeff Bonwick wrote: For a synchronous write to a pool with mirrored disks, does the write unblock after just one of the disks' write caches is flushed, or only after all of the disks' caches are flushed? The latter. We don't consider a write to be committed until the data is on s

[zfs-discuss] Re: Flushing synchronous writes to mirrors

2006-07-30 Thread Andrew
Jeff Bonwick wrote: >> For a synchronous write to a pool with mirrored disks, does the write >> unblock after just one of the disks' write caches is flushed, >> or only after all of the disks' caches are flushed? > The latter. We don't consider a write to be committed until > the data is on stable