5:10 p.m.
Does anybody off hand know the format that is used by LVM, as it isn't
standard UUID obviously. Is it just 6-4-4-4-4-4-6 of [a-zA-Z0-9]? Or
is it derived from a valid 8-4-4-4-12 [a-f0-9]? Does it have any
metadata embedded in it, e.g. creation time, host, etc., similar to some
of the UUID generation methods?
I want to be able to generate random UUIDs for use in LVM, but
genuuid(1) can't output in the LVM format so I'll need to make a script
if a tool doesn't currently exist to do this. I've tried to search for
this on google, but "LVM UUID format" or generator or script or standard
doesn't come up with anything useful.
--Tim
__________________________________________________________________________
/ People disagree with me. I just ignore them. \
\ -- Linus Torvalds, regarding the use of C++ for the Linux kernel /
--------------------------------------------------------------------------
\
\ \
\ /\
( )
.( o ).
5:14 a.m.
On Mon, Apr 28, 2008 at 09:59:38AM -0700, Timothy Selivanow wrote:
Ah, but there's no --uuid option for lvchange ;)
Nobody has ever provided me with a satisfactory reason why an option for that
would be useful. It's the pair, VG + LV that matters, not the LV on its own.
Alasdair
--
agk(a)redhat.com
11:59 a.m.
On Sat, 2008-04-26 at 02:12 +0100, Alasdair G Kergon wrote:
On Fri, Apr 25, 2008 at 03:10:49PM -0700, Timothy Selivanow wrote:
> I want to be able to generate random UUIDs for use in LVM
The lvm commands will generate random UUIDs for you.
Ah, but there's no --uuid option for lvchange ;) I've asked about that
in the past, stating that option exists, but undocumented for pvchange
and vgchange. In order to change the UUID of a LV, I have to export the
config, change the values, then import it back in. Hence my wanting to
generate a random UUID. If there is an option to just spit a UUID to
STDOUT, I'll take that.
--Tim
______________________________________________________________________
/ Suffocating together ... would create heroic camaraderie. \
\ -- Khan Noonian Singh, "Space Seed", stardate 3142.8 /
----------------------------------------------------------------------
\
\ \
\ /\
( )
.( o ).
10:44 p.m.
On Fri, Apr 25, 2008 at 9:33 PM, Markus Kesaromous <remotestar(a)live.com> wrote:
I have a usb stick inserted when I boot F7.
This is the content of /var/log/mesages about it
Apr 25 11:28:21 localhostlocaldomain kernel: usb 3-1: new high speed USB device using
ehci_hcd and address 3
Apr 25 11:28:21 localhostlocaldomain kernel: usb 3-1: configuration #1 chosen from 1
choice
Apr 25 11:28:22 localhostlocaldomain kernel: Initializing USB Mass Storage driver...
Apr 25 11:28:22 localhostlocaldomain kernel: scsi4 : SCSI emulation for USB Mass Storage
devices
Apr 25 11:28:22 localhostlocaldomain kernel: usbcore: registered new interface driver
usb-storage
Apr 25 11:28:22 localhostlocaldomain kernel: USB Mass Storage support registered.
Apr 25 11:28:27 localhostlocaldomain kernel: scsi 4:0:0:0: Direct-Access USB2.0
CardReader SD0 PQ: 0 ANSI: 0
Apr 25 11:28:27 localhostlocaldomain kernel: sd 4:0:0:0: [sdc] 16007168 512-byte
hardware sectors (8196 MB)
Apr 25 11:28:27 localhostlocaldomain kernel: sd 4:0:0:0: [sdc] Write Protect is off
Apr 25 11:28:27 localhostlocaldomain kernel: sd 4:0:0:0: [sdc] Assuming drive cache:
write through
Apr 25 11:28:27 localhostlocaldomain kernel: sd 4:0:0:0: [sdc] 16007168 512-byte
hardware sectors (8196 MB)
Apr 25 11:28:27 localhostlocaldomain kernel: sd 4:0:0:0: [sdc] Write Protect is off
Apr 25 11:28:27 localhostlocaldomain kernel: sd 4:0:0:0: [sdc] Assuming drive cache:
write through
Apr 25 11:28:27 localhostlocaldomain kernel: sdc: sdc1
Apr 25 11:28:27 localhostlocaldomain kernel: sd 4:0:0:0: [sdc] Attached SCSI removable
disk
Apr 25 11:28:27 localhostlocaldomain kernel: sd 4:0:0:0: Attached scsi generic sg3 type
0
How can I find out information about it like
Vendor ID
Product ID
Revision
Manufacturer (it is not printed on product)
serial Number
I need this so I can configure the VirtualBox VM to access this USB stick.
The VBox VM configurator does not "see" this USB stick drive, so I cannot
select it from a list of "available" USB devices. Id does allow me to use a
template
in which I add the information I am enumerating above, so the VM will locate it
and export it to the guest OS.
Thanx for your help.
-JD
If i asked nicely would it matter? I have done it before too, I think,
actually I don't think I have but I assume I am as guilty as the rest.
So pretty please with rat poison on top start your own thread.
Max
8:45 p.m.
Markus Kesaromous wrote:
I have a usb stick inserted when I boot F7.
This is the content of /var/log/mesages about it
Apr 25 11:28:21 localhostlocaldomain kernel: usb 3-1: new high speed USB device using
ehci_hcd and address 3
Apr 25 11:28:21 localhostlocaldomain kernel: usb 3-1: configuration #1 chosen from 1
choice
Apr 25 11:28:22 localhostlocaldomain kernel: Initializing USB Mass Storage driver...
Apr 25 11:28:22 localhostlocaldomain kernel: scsi4 : SCSI emulation for USB Mass Storage
devices
Apr 25 11:28:22 localhostlocaldomain kernel: usbcore: registered new interface driver
usb-storage
Apr 25 11:28:22 localhostlocaldomain kernel: USB Mass Storage support registered.
Apr 25 11:28:27 localhostlocaldomain kernel: scsi 4:0:0:0: Direct-Access USB2.0
CardReader SD0 PQ: 0 ANSI: 0
Apr 25 11:28:27 localhostlocaldomain kernel: sd 4:0:0:0: [sdc] 16007168 512-byte hardware
sectors (8196 MB)
Apr 25 11:28:27 localhostlocaldomain kernel: sd 4:0:0:0: [sdc] Write Protect is off
Apr 25 11:28:27 localhostlocaldomain kernel: sd 4:0:0:0: [sdc] Assuming drive cache:
write through
Apr 25 11:28:27 localhostlocaldomain kernel: sd 4:0:0:0: [sdc] 16007168 512-byte hardware
sectors (8196 MB)
Apr 25 11:28:27 localhostlocaldomain kernel: sd 4:0:0:0: [sdc] Write Protect is off
Apr 25 11:28:27 localhostlocaldomain kernel: sd 4:0:0:0: [sdc] Assuming drive cache:
write through
Apr 25 11:28:27 localhostlocaldomain kernel: sdc: sdc1
Apr 25 11:28:27 localhostlocaldomain kernel: sd 4:0:0:0: [sdc] Attached SCSI removable
disk
Apr 25 11:28:27 localhostlocaldomain kernel: sd 4:0:0:0: Attached scsi generic sg3 type
0
How can I find out information about it like
Vendor ID
Product ID
Revision
Manufacturer (it is not printed on product)
serial Number
I need this so I can configure the VirtualBox VM to access this USB stick.
The VBox VM configurator does not "see" this USB stick drive, so I cannot
select it from a list of "available" USB devices. Id does allow me to use a
template
in which I add the information I am enumerating above, so the VM will locate it
and export it to the guest OS.
Thanx for your help.
-JD
It is probably wise to start a new discussion when asking a different question,
and not hijack an already existing one with a completely wrong subject.
"lsusb -v" is the command you seek.
Roger
6:24 p.m.
Timothy Selivanow wrote:
Does anybody off hand know the format that is used by LVM, as it
isn't
standard UUID obviously. Is it just 6-4-4-4-4-4-6 of [a-zA-Z0-9]? Or
is it derived from a valid 8-4-4-4-12 [a-f0-9]? Does it have any
metadata embedded in it, e.g. creation time, host, etc., similar to some
of the UUID generation methods?
I want to be able to generate random UUIDs for use in LVM, but
genuuid(1) can't output in the LVM format so I'll need to make a script
if a tool doesn't currently exist to do this. I've tried to search for
this on google, but "LVM UUID format" or generator or script or standard
doesn't come up with anything useful.
I would bet if you get the source code for lvcreate or vgcreate it has the exact
code it is using to generate it.
Roger
8:33 p.m.
I have a usb stick inserted when I boot F7.
This is the content of /var/log/mesages about it
Apr 25 11:28:21 localhostlocaldomain kernel: usb 3-1: new high speed USB device using
ehci_hcd and address 3
Apr 25 11:28:21 localhostlocaldomain kernel: usb 3-1: configuration #1 chosen from 1
choice
Apr 25 11:28:22 localhostlocaldomain kernel: Initializing USB Mass Storage driver...
Apr 25 11:28:22 localhostlocaldomain kernel: scsi4 : SCSI emulation for USB Mass Storage
devices
Apr 25 11:28:22 localhostlocaldomain kernel: usbcore: registered new interface driver
usb-storage
Apr 25 11:28:22 localhostlocaldomain kernel: USB Mass Storage support registered.
Apr 25 11:28:27 localhostlocaldomain kernel: scsi 4:0:0:0: Direct-Access USB2.0
CardReader SD0 PQ: 0 ANSI: 0
Apr 25 11:28:27 localhostlocaldomain kernel: sd 4:0:0:0: [sdc] 16007168 512-byte hardware
sectors (8196 MB)
Apr 25 11:28:27 localhostlocaldomain kernel: sd 4:0:0:0: [sdc] Write Protect is off
Apr 25 11:28:27 localhostlocaldomain kernel: sd 4:0:0:0: [sdc] Assuming drive cache: write
through
Apr 25 11:28:27 localhostlocaldomain kernel: sd 4:0:0:0: [sdc] 16007168 512-byte hardware
sectors (8196 MB)
Apr 25 11:28:27 localhostlocaldomain kernel: sd 4:0:0:0: [sdc] Write Protect is off
Apr 25 11:28:27 localhostlocaldomain kernel: sd 4:0:0:0: [sdc] Assuming drive cache: write
through
Apr 25 11:28:27 localhostlocaldomain kernel: sdc: sdc1
Apr 25 11:28:27 localhostlocaldomain kernel: sd 4:0:0:0: [sdc] Attached SCSI removable
disk
Apr 25 11:28:27 localhostlocaldomain kernel: sd 4:0:0:0: Attached scsi generic sg3 type 0
How can I find out information about it like
Vendor ID
Product ID
Revision
Manufacturer (it is not printed on product)
serial Number
I need this so I can configure the VirtualBox VM to access this USB stick.
The VBox VM configurator does not "see" this USB stick drive, so I cannot
select it from a list of "available" USB devices. Id does allow me to use a
template
in which I add the information I am enumerating above, so the VM will locate it
and export it to the guest OS.
Thanx for your help.
-JD
_________________________________________________________________
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7 comments
5 participants
participants (5)
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Alasdair G. Kergon -
Markus Kesaromous -
max -
Roger Heflin -
Timothy Selivanow