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RE: [dm-devel] How to Resize Partition



Maybe you're confusing the /san filesystem size with its partition's new
size?
Assuming the /san fs is ext2 or ext3, make the old /san fs aware of its
partition's enlarged size by doing these:
umount /san
e2fsck -f  /dev/mapper/mpath0p1
resize2fs /dev/mapper/mpath0p1
mount /dev/mapper/mpath0p1 /san
df -h /san


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-----Original Message-----

From: dm-devel-bounces redhat com [mailto:dm-devel-bounces redhat com]
On Behalf Of Scott Moseman
Sent: Tuesday, February 12, 2008 10:31 AM
To: device-mapper development
Subject: [dm-devel] How to Resize Partition

This is the original size of my partition, 50GB...

# df -h | grep mpath
/dev/mapper/mpath0p1   50G  2.1G   45G   5% /san

I increased it to 60GB and am trying to resize.  Through my
troubleshooting and various attempts, I've increased /dev/sdb1 (NIC),
/dev/sdc1 (HBA) and /dev/mapper/mpath0p1 (MPIO).

Disk /dev/sdb: 64.4 GB, 64424509440 bytes
/dev/sdb1               1       61440    62914544   83  Linux

Disk /dev/sdc: 64.4 GB, 64424509440 bytes
/dev/sdc1               1       61440    62914544   83  Linux

Disk /dev/mapper/mpath0: 64.4 GB, 64424509440 bytes
/dev/mapper/mpath0p1               1       61440    62914544   83  Linux

I unmount/mount, reboot, etc and the mounted partition keeps showing
up as 50GB.  How do I get my additional 10GB?  This is on a CentOS 4.5
server.

Thanks,
Scott

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