amd64/167066: ZVOLs not appearing in /dev/zvol
rimbalza at gmail.com
Wed Apr 18 16:30:12 UTC 2012
>Synopsis: ZVOLs not appearing in /dev/zvol
>Arrival-Date: Wed Apr 18 16:30:03 UTC 2012
>Release: 9.0-RELEASE FreeBSD 9.0-RELEASE #0
FreeBSD -snip- 9.0-RELEASE FreeBSD 9.0-RELEASE #0: Tue Jan 3 07:46:30 UTC 2012 root at farrell.cse.buffalo.edu:/usr/obj/usr/src/sys/GENERIC amd64
zfs send -I mypool/iscsi0 at 20120415 mypool/iscsi0 at 20120416 | ssh root at bckserver zfs receive -v cloned/iscsi0
from my machine where the iscsi0 zvol is backing an iscsi target.
The receiving machine gets it, it appears in "zfs list" but no correspoinding device is created in /dev/zvol. If I reboot the machine the device appears and works ok.
If I create a new zvol on the receiving machine, the device appears.
Only zfs received zvols do not appear.
Also, zfs rollback cloned at iscsi0@mysnap never returns the prompt. Top says zfs is stuck in STOP state. After a reboot the command succedes.
Using v28 pool upgraded froma v15 created on OpenSolaris.
Send a zvol from from machine A to machine B.
Reboot the server
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