System Information view of storage excludes parents

Moderators: jhartley, MSR734, nola

System Information view of storage excludes parents

Post by grahamperrin » Wed Sep 26, 2012 2:43 am

System Information in Mountain Lion shows children, grandchildren etc. but not parent file systems.

Example:

Code: Select all
sh-3.2$ zfs list
NAME                                       USED   AVAIL   REFER  MOUNTPOINT
flakylaciebde                             457Gi  29.3Mi   415Gi  /Volumes/flakylaciebde
gjp22                                     381Gi   182Gi   302Gi  /Volumes/gjp22
tall                                     1.73Ti  66.5Gi   440Gi  /Volumes/tall
tall/backups                              849Gi  66.5Gi  10.9Gi  /Volumes/tall/backups
tall/backups/LaCie d2 Extreme            1.92Mi  66.5Gi   696Ki  /Volumes/tall/backups/LaCie d2 Extreme
tall/backups/LaCie d2 Extreme/11G         644Ki  66.5Gi   644Ki  /Volumes/tall/backups/LaCie d2 Extreme/11G
tall/backups/LaCie d2 Extreme/12A         628Ki  66.5Gi   628Ki  /Volumes/tall/backups/LaCie d2 Extreme/12A
tall/backups/blocky                      3.31Gi  66.5Gi  3.31Gi  /Volumes/tall/backups/blocky
tall/backups/gjp22                        376Gi  66.5Gi   301Gi  /Volumes/tall/backups/gjp22
tall/backups/zhandy                       458Gi  66.5Gi   398Gi  /Volumes/tall/backups/zhandy
tall/backups/zhandy/Pocket Time Machine  52.8Gi  66.5Gi  52.8Gi  /Volumes/tall/backups/zhandy/Pocket Time Machine
zhandy                                    537Gi  45.6Gi   411Gi  /Volumes/zhandy
zhandy/Pocket Time Machine               50.2Gi  45.6Gi  50.2Gi  /Volumes/zhandy/Pocket Time Machine
sh-3.2$


2012-09-26 08-18-13 screenshot.png
2012-09-26 08-18-13 screenshot.png (93.59 KiB) Viewed 30 times


2012-09-26 08-18-19 screenshot.png
2012-09-26 08-18-19 screenshot.png (78.21 KiB) Viewed 30 times


For that example, the datasets not shown by System Information are:

  • flakylaciebde (no children)
  • gjp22 (no children)
  • tall (parent of backups)
  • zhandy (parent of Pocket Time Machine).

I vaguely recall reporting to Apple a bug relating to System Information recognition of ZFS volumes, but that might have before I experimented with child file systems. (At the moment I can find neither my draft of that report, nor a follow-up number – sorry.)

Notes

As Disk Utility visualises some children at the parent level, I doubt that this problem is at the System Information.app level.

Whatever the root cause:

  • for ZEVO Community Edition 1.1, command line approaches are encouraged.
grahamperrin Offline

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