Mindaugas wrote: > > Hi, > > > > How to explain to fdisk that /dev/sda size changed? I increased > > > LUN on storage, reloaded iscsi, did echo 1 > > > > /sys/<something>/rescan. And I see in "dmesg" that kernel > found new > > > size of the LUN. But when I type "fdisk /dev/sda" > > > it still shows old size. On /dev/sda1 sits LVM PV and I'd like to > > > resize it instead of adding one more PV to volume group. > > > > > > > I think it may be the MBR that still has the old size in it. > > > > Try opening it in fdisk, save it, then re-open it. > > Probably. But opening and saving does not help. "partprobe > /dev/sda" does not help too. > > Mindaugas > > dmesg: > SCSI device sda: 1048576000 512-byte hdwr sectors (536871 MB) > SCSI device sda: drive cache: write through > > # fdisk /dev/sda > > The number of cylinders for this disk is set to 26108. > There is nothing wrong with that, but this is larger than > 1024, and could in certain setups cause problems with: > 1) software that runs at boot time (e.g., old versions of LILO) > 2) booting and partitioning software from other OSs > (e.g., DOS FDISK, OS/2 FDISK) > > Command (m for help): p > > Disk /dev/sda: 214.7 GB, 214748364800 bytes > 255 heads, 63 sectors/track, 26108 cylinders Units = > cylinders of 16065 * 512 = 8225280 bytes > > Device Boot Start End Blocks Id System > /dev/sda1 1 26108 209712478+ 8e Linux LVM > > Command (m for help): w > The partition table has been altered! > > Calling ioctl() to re-read partition table. > > WARNING: Re-reading the partition table failed with error 16: > Device or resource busy. > The kernel still uses the old table. > The new table will be used at the next reboot. > Syncing disks. > > # partprobe /dev/sda > > # fdisk -l /dev/sda > > Disk /dev/sda: 214.7 GB, 214748364800 bytes > 255 heads, 63 sectors/track, 26108 cylinders Units = > cylinders of 16065 * 512 = 8225280 bytes > > Device Boot Start End Blocks Id System > /dev/sda1 1 26108 209712478+ 8e Linux LVM Make sure no partitions on the volume are mounted before running fdisk, you can't do this "live". -Ross ______________________________________________________________________ This e-mail, and any attachments thereto, is intended only for use by the addressee(s) named herein and may contain legally privileged and/or confidential information. If you are not the intended recipient of this e-mail, you are hereby notified that any dissemination, distribution or copying of this e-mail, and any attachments thereto, is strictly prohibited. If you have received this e-mail in error, please immediately notify the sender and permanently delete the original and any copy or printout thereof.