Hi all,
I've got two Xen servers hosting a set of DomUs on CentOS 5.4 x86_64
in a simple two-node cluster configuration.
I tried today to mount a USB drive on either node's dom0 and both
times was not able to. I can see in '/var/log/messages' and 'lsusb' that
the drive is there and seen, but 'fdisk -l' doesn't show it.
/var/log/messages
----------------------------------------------------------------
Feb 22 15:37:56 vsh02 kernel: usb 1-1: new high speed USB device using
ehci_hcd and address 2
Feb 22 15:37:56 vsh02 kernel: usb 1-1: configuration #1 chosen from 1 choice
Feb 22 15:37:57 vsh02 kernel: Initializing USB Mass Storage driver...
Feb 22 15:37:57 vsh02 kernel: scsi4 : SCSI emulation for USB Mass
Storage devices
Feb 22 15:37:57 vsh02 kernel: usbcore: registered new driver usb-storage
Feb 22 15:37:57 vsh02 kernel: USB Mass Storage support registered.
Feb 22 15:38:02 vsh02 kernel: Vendor: Model:
Rev:
Feb 22 15:38:02 vsh02 kernel: Type: Direct-Access
ANSI SCSI revision: 02
Feb 22 15:38:02 vsh02 kernel: sd 4:0:0:0: Attached scsi disk sdc
Feb 22 15:38:02 vsh02 kernel: sd 4:0:0:0: Attached scsi generic sg2 type 0
----------------------------------------------------------------
lsusb
----------------------------------------------------------------
Bus 002 Device 001: ID 0000:0000
Bus 001 Device 003: ID 152d:2338 JMicron Technology Corp. / JMicron USA
Technology Corp. JM20337 Hi-Speed USB to SATA & PATA Combo Bridge
Bus 001 Device 001: ID 0000:0000
----------------------------------------------------------------
fdisk -l
----------------------------------------------------------------
Disk /dev/sda: 1500.3 GB, 1500301910016 bytes
255 heads, 63 sectors/track, 182401 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Device Boot Start End Blocks Id System
/dev/sda1 * 1 32 257008+ fd Linux raid
autodetect
/dev/sda2 33 2582 20482875 fd Linux raid
autodetect
/dev/sda3 2583 2837 2048287+ fd Linux raid
autodetect
/dev/sda4 2838 182401 1442347830 5 Extended
/dev/sda5 2838 182401 1442347798+ fd Linux raid
autodetect
Disk /dev/sdb: 1500.3 GB, 1500301910016 bytes
255 heads, 63 sectors/track, 182401 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Device Boot Start End Blocks Id System
/dev/sdb1 * 1 32 257008+ fd Linux raid
autodetect
/dev/sdb2 33 2582 20482875 fd Linux raid
autodetect
/dev/sdb3 2583 2837 2048287+ fd Linux raid
autodetect
/dev/sdb4 2838 182401 1442347830 5 Extended
/dev/sdb5 2838 182401 1442347798+ fd Linux raid
autodetect
----------------------------------------------------------------
I would expect to see the raw drive, if not the partition. The
curious part is the 'messages' lists the drive as 'sdc', which is what I
would expect. I know the drive works, as I pulled it off of a Debian
(non-Xen) server where it works fine.
So is this a Xen issue, or perhaps a CentOS/Kernel issue?
Thanks!
Digi
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