Re: [dm-devel] Re: [RFD] BIO_RW_BARRIER - what it means for devices, filesystems, and dm/md.

2007-06-01 Thread Tejun Heo
[ cc'ing Ric Wheeler for storage array thingie. Hi, whole thread is at http://thread.gmane.org/gmane.linux.kernel.device-mapper.devel/3344 ] Hello, [EMAIL PROTECTED] wrote: but when you consider the self-contained disk arrays it's an entirely different story. you can easily have a few gig of

Re: Md corruption using RAID10 on linux-2.6.21

2007-06-01 Thread Don Dupuis
Thanks Neil. This took care of my issue. I was doing a full set of tests to make sure before I replied. Thanks for all your hard work. Don On 5/31/07, Neil Brown [EMAIL PROTECTED] wrote: On Wednesday May 30, [EMAIL PROTECTED] wrote: Neil, I sent the scripts to you. Any update on this issue?

Re: [dm-devel] Re: [RFD] BIO_RW_BARRIER - what it means for devices, filesystems, and dm/md.

2007-06-01 Thread Bill Davidsen
Jens Axboe wrote: On Thu, May 31 2007, Phillip Susi wrote: Jens Axboe wrote: No Stephan is right, the barrier is both an ordering and integrity constraint. If a driver completes a barrier request before that request and previously submitted requests are on STABLE storage, then it

Re: When does a disk get flagged as bad?

2007-06-01 Thread Bill Davidsen
Neil Brown wrote: On Wednesday May 30, [EMAIL PROTECTED] wrote: After thinking about your post, I guess I can see some logic behind not failing on the read, although I would say that after x amount of read failures a drive should be kicked out no matter what. When md gets a read