Gregory Stark wrote:
"Zdenek Kotala" <[EMAIL PROTECTED]> writes:
I got dump of affected two blocks from Alex and it seems that both blocks were
overwritten together with some 128bytes length structure (there some pattern)
and complete damaged size is 9728bytes (first block is overwritten completely
and second one only at the beginning), but another buffer from another relation
could be overwritten too.
I don't understand this 9728 bytes. Postgres blocks are 8192 bytes. Are you
saying one whole block is trashed and then part, but not all, of the next
block?
What's the block size of the ZFS filesystem? And what exactly does the trash
data look like?
ZFS has dynamic block size (max 128kB), but this system runs on Linux probably
ext3 FS. Please, ale can you confirm used filesystem?
Zdenek
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