Zevo wierdness resizing disk

Moderators: jhartley, MSR734, nola

Zevo wierdness resizing disk

Post by zslg01 » Thu Nov 22, 2012 10:59 am

I have a MacBookPro - Mountain Lion. Was running dual boot (Mountain Lion and Ubuntu 12.10). I decided to remove Ubuntu, delete it's partitions, and let Mountain Lion have the full disk. I couldn't get disk utility to remove the old partitions until I uninstalled Zevo - then all went fine and I deleted the partitions and resized the OSX partition. I tried everything I could think of, then finally said "oh well let's try removing Zevo". This stuff is still pretty raw - not going to put any important data on it.
I've also had a number of cases of Zevo USB drives dropping out for no apparent reason.
zslg01 Offline


 
Posts: 18
Joined: Wed Nov 14, 2012 7:34 pm

request for clarification

Post by grahamperrin » Thu Nov 22, 2012 1:45 pm

zslg01 wrote:… Zevo USB drives dropping out …


Please, can you give any more detail? In a separate topic will be ideal (unrelated to sizing). Thanks.
grahamperrin Offline

User avatar
 
Posts: 1596
Joined: Fri Sep 14, 2012 10:21 pm
Location: Brighton and Hove, United Kingdom

request for details, and a link

Post by grahamperrin » Thu Nov 22, 2012 1:49 pm

zslg01 wrote:… to remove Ubuntu … couldn't get disk utility to remove the old partitions …


Please, did you keep a record of how the disk was partitioned?

Which file systems were used by Ubuntu?

Was FileVault 2, or any other application of CoreStorage, used by OS X?

Related: towards a redesign of, or alternative to, Apple Disk Utility
grahamperrin Offline

User avatar
 
Posts: 1596
Joined: Fri Sep 14, 2012 10:21 pm
Location: Brighton and Hove, United Kingdom

Re: Zevo wierdness resizing disk

Post by zslg01 » Thu Nov 22, 2012 6:24 pm

My MBP has a 500GB drive .. I had the first partition for OSX - 400GB (+/- a couple of MB). There were 3 partitions used by Ubuntu (standard "Install alongside OSX format for Ubuntu") selection. Zevo was installed (version 1.1.1).
I build the disk by :
1. Full install of OSX Mountain Lion on full 500GB
2. Disk Utility used to shrink to OSX partition to 400GB leaving 100GB free.
3. Booted Ubuntu 12.10 install DvD and selected the "Install Ubuntu alongside OSX option".
3. Ran Ubuntu and OSX at various times - needed to add the 100GB back to OSX to do some testing.
4. Disk Utility knew the Ubuntu partitions were there. I converted them to HFS+ journaled - Disk Utility wouldn't allow them to be removed if not HFS+
5. Disk Utility simply would not remove the partitions - error was "Not enough space"
6. Tried everything I could think of short of a full re-install of OSX - I did not have a recovery partition on the disk (it got blown away by the resize).
7. Finally decided to remove Zevo -- after that reboot (not the first time I'd rebooted in this scenario) -- viola - Disk Utility allowed removal of the 3 Ubuntu partitions
8. I then resized OSX to use the full disk. Worked fine.
I'll see if I can dig out the syslogs - they may not have survived ....
I also didn't give gparted a try - that might have worked.
On the upside - I have swapped Zevo disks in and out on a Ubuntu 12.10 system and a Mountain Lion system, Ubuntu is running the kernel level zfs (the Fuse version is back level compared to Zevo).
Its as simple as zpool export, zpool import - and all seems to work fine.
zslg01 Offline


 
Posts: 18
Joined: Wed Nov 14, 2012 7:34 pm

Re: Zevo wierdness resizing disk

Post by zslg01 » Thu Nov 22, 2012 6:31 pm

Re: USB drives dropping out - It may be related to either IO load on the USB drive or power. I have seen it most often when using Finder to copy a set of fairly large source folders (maybe 20 GB or so). The copy is to a 2.5 inch drive in one of those external enclosures. Have had it happen on both a Dynex enclosure and a Rocketfish one.
Could well be power related - the drives are powered by a USB hub using one of those 2-to-1 USB cables. Its usually 50% or so into a copy.
Never have had problems with Firewire.
zslg01 Offline


 
Posts: 18
Joined: Wed Nov 14, 2012 7:34 pm

Re: Zevo wierdness resizing disk

Post by grahamperrin » Fri Nov 23, 2012 12:03 am

Thanks for the details, and welcome :-)

Considering private and public audiences beyond ZEVO: for conciseness and ease of reference, I'd love to keep this topic highly focused on the issue with Disk Utility and sizing or removal with ZEVO present but not using the disk.

So there are spin-offs:


– I hope that's OK with you (see you there).
grahamperrin Offline

User avatar
 
Posts: 1596
Joined: Fri Sep 14, 2012 10:21 pm
Location: Brighton and Hove, United Kingdom

Re: Zevo wierdness resizing disk

Post by grahamperrin » Fri Nov 23, 2012 1:14 am

zslg01 wrote:… 3. Booted Ubuntu 12.10 install DvD and selected the "Install Ubuntu alongside OSX option".


With that step might have been a single option (one of three radio buttons) something like:

  • both logical volume management and encryption for your home directory.

Can you recall whether that one option was taken? Thanks.
grahamperrin Offline

User avatar
 
Posts: 1596
Joined: Fri Sep 14, 2012 10:21 pm
Location: Brighton and Hove, United Kingdom

Re: Zevo wierdness resizing disk

Post by zslg01 » Fri Nov 23, 2012 8:10 am

Fine to move topics ...
No I did not select LVM and/or encryption --
zslg01 Offline


 
Posts: 18
Joined: Wed Nov 14, 2012 7:34 pm


Return to General Discussion

Who is online

Users browsing this forum: ilovezfs and 3 guests

cron