Hello,
for an advanced scientific project we use a large server with 64Gbyte
memory and 10TB disk space. Since some jobs will run for several weeks
we plan to use virtual machines which can be saved during maintenance tasks.
Using kernel 2.6.18.8-0.1-xen x86_64 I can create a several terabytes
large partition using yast. Using xfs I created a 4.7 terabytes large file.
df -k:
Filesystem 1K-blocks Used Available Use% Mounted on
/dev/sde1 6835799424 4608001068 2227798356 68% /test
Fdisk, sfdisk or cfdisk show wrong partition size.
yast:
/dev/sde │ 6.3 TB│ │Areca-ARC-1280-VOL#04
/dev/sde1│ 6.3 TB│ │Linux native │/test
fdisk -l /dev/sde
Disk /dev/sde: 6999.9 GB, 6999999774720 bytes
255 heads, 63 sectors/track, 851034 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Device Boot Start End Blocks Id System
/dev/sde1 1 48986 393479629+ 83 Linux
After "exporting" the disk to DomU the partition can't be mounted.
mount /dev/hdc1 /test
mount: /dev/hdc1: can't read superblock
fdisk shows the same results as in Dom0
fdisk -l /dev/hdc
Disk /dev/hdc: 6999.9 GB, 6999999774720 bytes
255 heads, 63 sectors/track, 851034 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Device Boot Start End Blocks Id System
/dev/hdc1 1 48986 393479629+ 83 Linux
but yast in DomU is not able to recognize the correct partition size.
/dev/hdc │ 6.3 TB│ │DISK hdc │
/dev/hdc1│ 375.2 GB│ │Linux native
I have two questions:
1. why fdisk is not showing the correct partition date?
2. is xen forwarding the partition parameters correctly?
Many thanks in advance
Gustav Quade
IMBIE
Uni Bonn
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