On Mon, Nov 14, 2011 at 5:33 AM, Martin Mailand <mar...@tuxadero.com> wrote: > Hi Tomasz, > as far as I know it still has this limit. > But it should be relatively safe to use it. > > http://marc.info/?l=ceph-devel&m=131942130322957&w=2 > > If we hit the 4KB limit of xattrs in ext4 how does it show up in the rbd > layer? > > How does it show up in the fs layer, would the fs still be clean?
Right now it would show up very badly, unfortunately. (And yes, the limit is still there.) You'd notice, though you might manage to corrupt some of your data first. :/ However, if you're not taking snapshots and you're not using xattrs yourself, you won't hit it with rbd or the Ceph FS. -Greg > > -martin > > > Am 14.11.2011 14:09, schrieb Tomasz Paszkowski: >> >> what about limit on xattr size ? Is it still limited to 4KB ? >> >> >> >> On Mon, Nov 14, 2011 at 1:15 PM, Martin Mailand<mar...@tuxadero.com> >> wrote: >>> >>> Hi Christian, >>> I am not sure if you noticed, but your ext4 bug is fixed in mainline. I >>> am >>> running a ceph cluster with 40+ vms for over a week by now, without any >>> problems. An fsck.ext4 shows the ext4 is clean. >>> The performance of ext4 is much better than btrfs, no rise in the load of >>> the osd's. >>> >>> -martin >>> -- >>> To unsubscribe from this list: send the line "unsubscribe ceph-devel" in >>> the body of a message to majord...@vger.kernel.org >>> More majordomo info at http://vger.kernel.org/majordomo-info.html >>> >> >> >> > > -- > To unsubscribe from this list: send the line "unsubscribe ceph-devel" in > the body of a message to majord...@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > -- To unsubscribe from this list: send the line "unsubscribe ceph-devel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html