Re: Need clarification on raid1 resync behavior with bitmap support

2007-08-09 Thread Neil Brown
On Monday August 6, [EMAIL PROTECTED] wrote: > > Thanks for your help, any idea when this fix will make it upstream? > Thanks for the confirmation yes, I guess I should send it upstream soon. Probably early next week at the latest. NeilBrown - To unsubscribe from this list: send the line "

Re: Need clarification on raid1 resync behavior with bitmap support

2007-08-06 Thread Mike Snitzer
On 8/3/07, Neil Brown <[EMAIL PROTECTED]> wrote: > On Friday August 3, [EMAIL PROTECTED] wrote: > > > > I hand-patched your change into a 2.6.20.1 kernel (I'd imagine your > > patch is against current git). I didn't see any difference because > > unfortunately both of my full resync scenarios incl

Re: Need clarification on raid1 resync behavior with bitmap support

2007-08-03 Thread Neil Brown
On Friday August 3, [EMAIL PROTECTED] wrote: > > I hand-patched your change into a 2.6.20.1 kernel (I'd imagine your > patch is against current git). I didn't see any difference because > unfortunately both of my full resync scenarios included stopping a > degraded raid after either: 1) having fa

Re: Need clarification on raid1 resync behavior with bitmap support

2007-08-03 Thread Mike Snitzer
On 8/3/07, Neil Brown <[EMAIL PROTECTED]> wrote: > On Monday July 23, [EMAIL PROTECTED] wrote: > > On 7/23/07, Neil Brown <[EMAIL PROTECTED]> wrote: > > > Can you test this out and report a sequence of events that causes a > > > full resync? > > > > Sure, using an internal-bitmap-enabled raid1 with

Re: Need clarification on raid1 resync behavior with bitmap support

2007-08-02 Thread Neil Brown
On Monday July 23, [EMAIL PROTECTED] wrote: > On 7/23/07, Neil Brown <[EMAIL PROTECTED]> wrote: > > Can you test this out and report a sequence of events that causes a > > full resync? > > Sure, using an internal-bitmap-enabled raid1 with 2 loopback devices > on a stock 2.6.20.1 kernel, the follow

Re: Need clarification on raid1 resync behavior with bitmap support

2007-07-23 Thread Mike Snitzer
On 7/23/07, Neil Brown <[EMAIL PROTECTED]> wrote: On Saturday July 21, [EMAIL PROTECTED] wrote: > Could you share the other situations where a bitmap-enabled raid1 > _must_ perform a full recovery? When you add a new drive. When you create a new bitmap. I think that should be all. > - Corr

Re: Need clarification on raid1 resync behavior with bitmap support

2007-07-23 Thread Neil Brown
On Saturday July 21, [EMAIL PROTECTED] wrote: > On 6/1/06, NeilBrown <[EMAIL PROTECTED]> wrote: > > > > When an array has a bitmap, a device can be removed and re-added > > and only blocks changes since the removal (as recorded in the bitmap) > > will be resynced. > > Neil, > > Does the same appl

Need clarification on raid1 resync behavior with bitmap support

2007-07-21 Thread Mike Snitzer
On 6/1/06, NeilBrown <[EMAIL PROTECTED]> wrote: When an array has a bitmap, a device can be removed and re-added and only blocks changes since the removal (as recorded in the bitmap) will be resynced. Neil, Does the same apply when a bitmap-enabled raid1's member goes faulty? Meaning even if