ZVOL appears as external time machine backup not possible

All your general support questions for OpenZFS on OS X.

ZVOL appears as external time machine backup not possible

Postby mike0810 » Thu Oct 14, 2021 3:48 am

I created a zvol and formatted it as APFS. In Time machine, It appears in the excluded Items list but it is greyed out so can not be removed from the list.

The zvol is registered as external disk.

My zpool is located in an external owc thunderbolt 8x enclosure.

I use zfs 2.1 on mac mini M1.

zpool status
pool: data
state: ONLINE
scan: scrub repaired 0B in 10:39:08 with 0 errors on Wed Oct 6 05:54:29 2021
remove: Removal of vdev 7 copied 560K in 0h0m, completed on Fri Sep 17 15:28:11 2021
2.46K memory used for removed device mappings
config:

NAME STATE READ WRITE CKSUM
data ONLINE 0 0 0
mirror-0 ONLINE 0 0 0
media-35C2F2A3-3D74-E843-AFF9-ECAB451966BE ONLINE 0 0 0
media-7DBE657E-24CD-4A4E-9A62-8398AE6D2109 ONLINE 0 0 0
mirror-2 ONLINE 0 0 0
media-A26F4CEC-166E-9F40-9AEA-0DBD408B9B37 ONLINE 0 0 0
media-8F11C8FB-EFD5-184E-A2E9-4E950D075F9E ONLINE 0 0 0
mirror-9 ONLINE 0 0 0
media-173CEBF9-E228-B94E-90E6-40FF3C9FD77E ONLINE 0 0 0
media-EC173497-E8A0-3E4F-8F0A-3962812EF6A4 ONLINE 0 0 0
logs
media-DFE06C1D-C4DC-074D-95C7-491016AAEB07 ONLINE 0 0 0
cache
media-10B7F028-01B3-3E40-ACFE-15D09224387C ONLINE 0 0 0

zfs list
NAME USED AVAIL REFER MOUNTPOINT
data 9.03T 12.6T 1.02T /Volumes/data
data/mediavol 8.02T 15.0T 5.64T -
Attachments
Screenshot 2021-10-14 at 13.47.32.png
Screenshot 2021-10-14 at 13.47.32.png (117.13 KiB) Viewed 123 times
Screenshot 2021-10-14 at 13.47.00.png
Screenshot 2021-10-14 at 13.47.00.png (108.74 KiB) Viewed 123 times
mike0810
 
Posts: 37
Joined: Fri Jan 16, 2015 5:17 pm

Re: ZVOL appears as external time machine backup not possibl

Postby FadingIntoBlue » Thu Oct 14, 2021 8:57 pm

I'm not much use on zvols, I'm afraid, but I do wonder what the setting for the com.apple.mimic= property is on the pool you have created, or the filesystem in which the zvol resides?
You can set that property to apfs post pool creation, and it might be worth experimenting with that.
FadingIntoBlue
 
Posts: 79
Joined: Tue May 27, 2014 12:25 am


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