On Jul 21, 2009 11:52 -0700, Justin Maggard wrote: > No, no error messages from the kernel. But your llverdev utility > ended up showing problems on the device. After asking around on the > MD mailing list, that was apparently because of the page cache index > limit (at the time I was using a 32-bit kernel). > > Switching to a 64-bit kernel allowed me to pass the llverdev test and > get much further with a very large filesystem, but I'm running into > other issues now. I wrote up a very simple script to write 2TB files > onto the filesystem until the device fills up. It was able to write > ~16TB, but after that it ran into some problems. My kernel log now > has lots of messages like these: There is a matching "llverfs" tool that does essentially this, with data verification also. > EXT4-fs error (device md2): ext4_mb_generate_buddy: EXT4-fs: group > 163548: 32744 blocks in bitmap, 32768 in gd > - and - > EXT4-fs error (device md2): ext4_mb_mark_diskspace_used: Allocating > block 4294967391 in system zone of 131072 group > > I shouldn't need e2fsprogs to be compiled 64-bit as well, right? > Currently I've got a 64-bit kernel with 32-bit userspace. Yes, that is a potential problem. Cheers, Andreas -- Andreas Dilger Sr. Staff Engineer, Lustre Group Sun Microsystems of Canada, Inc. -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
