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gmzang / maczfs

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Computer crashes during rsync to zpool on USB external drive #102

Closed GoogleCodeExporter closed 8 years ago

GoogleCodeExporter commented 8 years ago 
What steps will reproduce the problem?
1. plug in USB external drive
/dev/disk2
   #:                       TYPE NAME                    SIZE       IDENTIFIER
   0:      GUID_partition_scheme                        *500.1 GB   disk2
   1:                        EFI                         209.7 MB   disk2s1
   2:                        ZFS puddle                  499.8 GB   disk2s2

2. rsync to the ZFS filesystem

What is the expected output? What do you see instead?
Expect it to complete the 100gb rsync operation.  Instead crashes the computer 
after transferring a few tens of gb.

What version of the product are you using? On what operating system?
74.1.0    Mac OS X 10.7.2

Please provide any additional information below.
The drive is left in a state where it does not appear when the machine is 
rebooted after the crash.  I have to cycle the power on it.  The drive has not 
been used before but it may be having an actual I/O failure as indicated in the 
panic report.  I thought it might be useful to see the location of the crash 
which is fs/zfs/zio.c:918.

I have attached the report.  I will try a different USB external drive and I 
could try to set up a pool on a partition of the internal drive but am hesitant 
to do it if the software is likely to continue to cause problems.  Is it 
working well in general?

Original issue reported on code.google.com by jesslp...@gmail.com on 3 Dec 2011 at 12:24

Attachments:

GoogleCodeExporter commented 8 years ago 
It seems that this was caused by a hardware failure in the drive. The crash can 
be duplicated by unplugging a USB drive without exporting it.  If I use the 
finder to eject the drive but do not also export it, it still shows up in the 
zpool list and eventually the machine crashes in the same place.

Original comment by jesslp...@gmail.com on 4 Dec 2011 at 12:19

GoogleCodeExporter commented 8 years ago

Original comment by alex.ble...@gmail.com on 7 Mar 2012 at 11:28