Re: filesystem corruption with md raid6

2007-04-26 Thread Neil Brown
On Thursday April 26, [EMAIL PROTECTED] wrote: > have a system with 12 SATA disks attached via SAS. When copying into the > array during re-sync I get filesystem errors and corruption for raid6 but not > for raid5. This problem is repeatable. I actually have 2 separate 12 disk > arrays and get

Re: Multiple disk failure, but slot numbers are corrupt and preventing assembly.

2007-04-26 Thread Leon Woestenberg
Hello all, On 4/26/07, David Greaves <[EMAIL PROTECTED]> wrote: Bill Davidsen wrote: > Leon Woestenberg wrote: >> We will try to make disk clones first. Will dd suffice or do I need >> something more fancy that maybe copes with source drive read errors in >> a better fashion? > > Yes to both. dd

filesystem corruption with md raid6

2007-04-26 Thread Clem Pryke
have a system with 12 SATA disks attached via SAS. When copying into the array during re-sync I get filesystem errors and corruption for raid6 but not for raid5. This problem is repeatable. I actually have 2 separate 12 disk arrays and get the same behavior on both. Does this sound familiar to

Re: Multiple disk failure, but slot numbers are corrupt and preventing assembly.

2007-04-26 Thread David Greaves
Bill Davidsen wrote: > Leon Woestenberg wrote: >> We will try to make disk clones first. Will dd suffice or do I need >> something more fancy that maybe copes with source drive read errors in >> a better fashion? > > Yes to both. dd will be fine in most cases, and I suggest using noerror > to con