Re: Time Machine's volume uuid -- what does it match against?
Re: Time Machine's volume uuid -- what does it match against?
- Subject: Re: Time Machine's volume uuid -- what does it match against?
- From: Michael Watson <email@hidden>
- Date: Wed, 20 Jul 2016 11:37:28 -0700
hi Jim,
the ID emitted by the destinatininfo verb is not a volume UUID. it's a unique identifier used by Time Machine to track a collection of information about a specific backup destination. (we refer to it as the "destination ID".) the ID is used with other verbs like removedestination:
sudo tmutil removedestination <destination_id>
what's your higher-level goal? for most "i need to ignore TM stuff" situations, it's sufficient (and most-correct) to ignore the Backups.backupdb directory at the root of any volume. (for example, a disk with a TM backup store could be connected to a machine but not be one of that machine's backup disks.)
--
michael
formerly time machine
On 20 Jul, 2016, at 10:03, Jim O'Connor <email@hidden> wrote:
> On El Cap (10.11.5) when I do
>
> tmutil destinationinfo -X
>
> I get a uuid which doesn’t match anything in
>
> diskutil info devnode
>
>
> Where do I look to get the same UUID that Time Machine is using? I need to avoid the media that the OS is using for Time Machine.
>
>
> <?xml version="1.0" encoding="UTF-8"?>
> <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd";>
> <plist version="1.0">
> <dict>
> <key>Destinations</key>
> <array>
> <dict>
> <key>Kind</key>
> <string>Local</string>
> <key>ID</key>
> <string>EEDAB9D5-740E-4E11-BC39-52A4B6E58638</string>
> <key>Name</key>
> <string>TimeMachineHD</string>
> <key>LastDestination</key>
> <integer>1</integer>
> <key>MountPoint</key>
> <string>/Volumes/TimeMachineHD</string>
> </dict>
> </array>
> </dict>
> </plist>
>
>
> Device Identifier: disk2s2
> Device Node: /dev/disk2s2
> Whole: No
> Part of Whole: disk2
> Device / Media Name: TimeMachineHD
>
> Volume Name: TimeMachineHD
>
> Mounted: Yes
> Mount Point: /Volumes/TimeMachineHD
>
> File System Personality: Journaled HFS+
> Type (Bundle): hfs
> Name (User Visible): Mac OS Extended (Journaled)
> Journal: Journal size 155648 KB at offset 0x3a38000
> Owners: Enabled
>
> Partition Type: Apple_HFS
> OS Can Be Installed: Yes
> Media Type: Generic
> Protocol: USB
> SMART Status: Not Supported
> Volume UUID: 5A69DD5E-D6B9-31B7-8CD6-FC377EBC5F18
> Disk / Partition UUID: 620E6E7B-7C47-4930-B5F7-5C7E68C3B025
>
> Total Size: 2.0 TB (2000054960128 Bytes) (exactly 3906357344 512-Byte-Units)
> Volume Free Space: 2.0 TB (1993384857600 Bytes) (exactly 3893329800 512-Byte-Units)
> Device Block Size: 512 Bytes
> Allocation Block Size: 4096 Bytes
>
> Read-Only Media: No
> Read-Only Volume: No
>
> Device Location: External
> Removable Media: No
>
>
> Thanks for looking.
>
> Jim
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