Justin Piszcz wrote:
...

quoted text
>> Were the filesystems created to align with raid geometry?
> Only default options were used except the mount options.  If that is the
> culprit, I have some more testing to do, thanks, will look into it.
> 
>>
>> mkfs.xfs has done that forever; mkfs.ext4 only will do so (automatically)
>> with recent kernel+e2fsprogs.
> How recent?

You're recent enough.  :)

mkfs.ext4 output should include the stripe info if it was found.

        printf(_("Block size=%u (log=%u)\n"), fs->blocksize,
                s->s_log_block_size);
        printf(_("Fragment size=%u (log=%u)\n"), fs->fragsize,
                s->s_log_frag_size);
        printf(_("Stride=%u blocks, Stripe width=%u blocks\n"),
               s->s_raid_stride, s->s_raid_stripe_width);
        printf(_("%u inodes, %llu blocks\n"), s->s_inodes_count,
               ext2fs_blocks_count(s));

etc.

-Eric
--
To unsubscribe from this list: send the line "unsubscribe linux-ext4" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html