There is no size limit.
There is a bug where some memory cards aren't readable beyond 2GB.
I have used 250GB disks with all capacity available.
As for Andreas' problem, you could try mounting manually using utdiskadm -m.
If utdisk2p1 doesn't mount, try utdisk2.
-a-
> Date: Wed, 22 Jul 2009 15:38:52 -0700
> From: [email protected]
> To: [email protected]
> Subject: Re: [SunRay-Users] USB Harddrive on CentOS 5
>
>
> Greetings
>
> Maybe I'm wrong but I thought that Sun Ray had a 4GB limit for USB Storage
> units...
>
>
> Christian Montero H.
> Red Hat Certified Engineer (RHCE) 805008759430301
> Microsoft Certified Professional (MCP)
>
>
>
> ----- Mensaje original ----
> > De: Andreas Bock <[email protected]>
> > Para: [email protected]
> > Enviado: miércoles, 22 de julio, 2009 4:03:40
> > Asunto: [SunRay-Users] USB Harddrive on CentOS 5
> >
> > I'm trying to use USB harddrives on my SunRay Infrastructure without
> > success.
> >
> > My usb-drive is a Fujistu StorageBird w/ 3.5" 1TB disk and external power
> > supply. SRSS 4.1 with Patch 139550-02 runs on 2 CentOS 5.3 x86_64 (SunFire
> > x4600) servers in a FOG. Additionally I installed Daniel Cifuentes'
> > usbdrived so
> > USB Sticks do mount very well. One has to a long time to use a USB device.
> > So I
> > waited at least nearly 4h to no avail.
> >
> > After plugin nothing can be found in any logfile in /var/opt/SUNWut/log/. A
> > short time after plugin /var/log/messages tell me:
> >
> > kernel: utdisk2: p1
> > kernel: FAT: bogus number of reserved sectors
> > kernel: VFS: Can't find a valid FAT filesystem on dev utdisk2.
> > kernel: VFS: Can't find an ext2 filesystem on dev utdisk2.
> > kernel: Unable to identify CD-ROM format.
> > kernel: VFS: Can't find ext3 filesystem on dev utdisk2.
> >
> >
> > Plugging in the same disk on a CentOS 5.3 i386 Desktop without any SunRay
> > environment /var/log/messages tells me:
> >
> > kernel: usb 2-4: new high speed USB device using ehci_hcd and address 4
> > kernel: usb 2-4: configuration #1 chosen from 1 choice
> > kernel: Initializing USB Mass Storage driver...
> > kernel: scsi6 : SCSI emulation for USB Mass Storage devices
> > kernel: usbcore: registered new driver usb-storage
> > kernel: USB Mass Storage support registered.
> > kernel: Vendor: Hitachi Model: HDT721010SLA360 Rev:
> > kernel: Type: Direct-Access ANSI SCSI
> > revision: 02
> > kernel: SCSI device sdc: 1953525168 512-byte hdwr sectors (1000205 MB)
> > kernel: sdc: Write Protect is off
> > kernel: sdc: assuming drive cache: write through
> > kernel: SCSI device sdc: 1953525168 512-byte hdwr sectors (1000205 MB)
> > kernel: sdc: Write Protect is off
> > kernel: sdc: assuming drive cache: write through
> > kernel: sdc: sdc1
> > kernel: sd 6:0:0:0: Attached scsi disk sdc
> > kernel: sd 6:0:0:0: Attached scsi generic sg3 type 0
> > hald: mounted /dev/sdc1 on behalf of uid 1402
> >
> > Afterwards it mounts without further errors.
> >
> > # fdisk -l /dev/sdc
> >
> > Disk /dev/sdc: 1000.2 GB, 1000204886016 bytes
> > 255 heads, 63 sectors/track, 121601 cylinders
> > Units = cylinders of 16065 * 512 = 8225280 bytes
> >
> > Device Boot Start End Blocks Id System
> > /dev/sdc1 1 121601 976760001 c W95 FAT32 (LBA)
> >
> > The disk has been partitioned and formated under Linux using fdisk and
> > "mkfs.vfat -F 32 -n XXXX /dev/sdc1". Shrinking down sdc1 to 256GB does
> > not help anyway. The file system is empty.
> >
> > Does anybody know what to do to mount usb harddrives regardless of speed?
> > Are
> > there any limitations to disk- and/or partition size?
> >
> >
> >
> > Andreas
> > _______________________________________________
> > SunRay-Users mailing list
> > [email protected]
> > http://www.filibeto.org/mailman/listinfo/sunray-users
>
>
>
>
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