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On Tue, 4 Nov 2014 11:58:01 AM you wrote: > Actually, it can. I remember playing with it *way* back in the day when > XFS was first ported to Linux. From 'man mkfs.xfs': > > The metadata log can be placed on another device to reduce the > number of disk seeks. To create a filesystem on the > first partition on the first SCSI disk with a 10000 block log located > on the first partition on the second SCSI disk, use: > > mkfs.xfs -l logdev=/dev/sdb1,size000b /dev/sda1
Couple of concerns re this:
- the journal can only be mounted via device name, no guid or volume name. If the device name order changes your disk won't mount.
- from this page:http://www.raid6.com.au/posts/fs_ext4_external_journal/
"xfs can not be mounted if external journal device is lost neither it can be reconfigured to convert journal back to local or to change its size."
-- Lindsay |
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