Re: [zfs-discuss] Digging in the bowels of ZFS

2012-12-09 Thread Jim Klimov
more below... On 2012-12-06 03:06, Jim Klimov wrote: It also happens that on disks 1,2,3 the first row's sectors (d0, d2, d3) are botched - ranges from 0x9C0 to 0xFFF (end of 4KB sector) are zeroes. The neighboring blocks, located a few sectors away from this one, also have compressed data and

Re: [zfs-discuss] Digging in the bowels of ZFS

2012-12-09 Thread Timothy Coalson
On Sun, Dec 9, 2012 at 1:27 PM, Jim Klimov jimkli...@cos.ru wrote: In two of three cases, some of the sectors (in the range which mismatches the parity data) are not only clearly invalid, like being filled with long stretches of zeroes with other sectors being uniformly-looking binary data