On Tue, 2005-11-01 at 11:05 -0200, Bruno Diniz wrote: > Hi all, > > I have a system with two S-ATA hard disks and I configured raid0 with > them using mdadm. Each HD has 200GB of capacity. What is weird is that > after configuring the raid, the newly created device (/dev/md0) is > slower than each of the disks individually. Look at the numbers: > [snip] > > cat /etc/mdadm/mdadm.conf > > DEVICE partitions > ARRAY /dev/md1 level=raid0 num-devices=2 > UUID=b659b438:39b787dc:02f341ed:480bddf3 > devices=/dev/sdc3,/dev/sdd2 > ARRAY /dev/md0 level=raid0 num-devices=2 > UUID=4d999bad:c9c3cf0e:91fd35b1:57f5529c > devices=/dev/sda1,/dev/sdb1 > > The /dev/md1 array is working correctly, and its bandwidth is twice as > much as each individual disk bw. The only difference between md0 and > md1 is their capacity and that md0 is formatted with XFS, while md1 > uses Reiserfs. > > What could be the problem? Could it be XFS?
I'd make the partitions as exactly alike as possible, including the filesystems. -- ----------------------------------------------------------------- Ron Johnson, Jr. Jefferson, LA USA PGP Key ID 8834C06B I prefer encrypted mail. "It's springtime for Hitler, and Germany..." -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]
