On Thu, Aug 12, 2010 at 09:43:29AM -0400, Eric Sandeen wrote: > > > I've made a 15TB logical volume on a 21TB RAID6 iSCSI array. > > > > When I try to make an ext4 filesystem I see the following error: > > > > mke4fs -E stride=32 stripe-width=384 -i 65536 -j -v \ > > /dev/mapper/vg2md3000isata-homes2 > > > > mke4fs 1.41.9 (22-Aug-2009) > > mke4fs: invalid blocks count - /dev/mapper/vg2md3000isata-homes2 > > > You're not specifying the -E options correctly: > > [root@host e2fsprogs]# misc/mke2fs.static -t ext4 -E stride=32 stripe-width=384 /mnt/test2/testdir/bigfile > mke2fs 1.41.12 (17-May-2010) > mke2fs.static: invalid blocks count - /mnt/test2/testdir/bigfile > > This works - you need comma-separated -E options: > > [root@host e2fsprogs]# mke4fs -E stride=32,stripe-width=384 /mnt/test2/testdir/bigfile > mke4fs 1.41.12 (17-May-2010) > Filesystem label= > OS type: Linux > Block size=4096 (log=2) > Fragment size=4096 (log=2) > Stride=32 blocks, Stripe width=384 blocks > 1006632960 inodes, 4026531840 blocks > ... > > Without the comma, mkfs thinks you are trying to mkfs a device called > "stripe-width=384" with a block count of "<devicename>" > > Odd eh ;) > Yes, thanks for that. It's happy now. > Perhaps echoing back the blocks count which it found to be invalid > (in this case the devicename string) would make the failure more > obvious... > Perhaps it could check for a clearly non-numeric input and report that? Or maybe it's just me who'd do such a thing... > > > When i searched briefly yesterday, some documentation stated that the > > filesystem limit was now 16TB, and some that the limit was much higher. > > Yep that should work. > Looking at https://bugs.launchpad.net/ubuntu/+source/e2fsprogs/+bug/521648, specifically Ted's comment, is it correct that 64-bit blocks support is still at the early development stage? Adam > -Eric > > > The system is running Centos 5.5, e4fsprogs-1.41.9-3.el5. > > > -- > 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 > -- 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