Date: Sat, 14 Jul 2012 22:21:29 GMT From: "Vladislav V. Prodan" <universite@ukr.net> To: freebsd-gnats-submit@FreeBSD.org Subject: misc/169865: zpool iostat shows 0 activity, although the pool is transferred the data Message-ID: <201207142221.q6EMLT7F008813@red.freebsd.org> Resent-Message-ID: <201207142230.q6EMUDlH069576@freefall.freebsd.org>
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>Number: 169865
>Category: misc
>Synopsis: zpool iostat shows 0 activity, although the pool is transferred the data
>Confidential: no
>Severity: serious
>Priority: medium
>Responsible: freebsd-bugs
>State: open
>Quarter:
>Keywords:
>Date-Required:
>Class: sw-bug
>Submitter-Id: current-users
>Arrival-Date: Sat Jul 14 22:30:12 UTC 2012
>Closed-Date:
>Last-Modified:
>Originator: Vladislav V. Prodan
>Release: 9.0
>Organization:
support.od.ua
>Environment:
FreeBSD mary-teresa.XXX 9.0-STABLE FreeBSD 9.0-STABLE #0: Tue Jul 10 14:42:34 EEST 2012 root@mary-teresa.XXX:/usr/obj/usr/src/sys/XXX.20 amd64
>Description:
zpool iostat shows 0 activity, although the pool is transferred the data
zfs v5, zpool v28
[1:13]mary-teresa:root->/root# zpool iostat tank2 4
capacity operations bandwidth
pool alloc free read write read write
---------- ----- ----- ----- ----- ----- -----
tank2 41,7G 2,68T 0 0 0 66
tank2 42,2G 2,68T 0 0 0 0
tank2 42,5G 2,68T 0 0 0 0
tank2 43,0G 2,68T 0 0 0 0
tank2 43,5G 2,68T 0 0 0 0
tank2 43,9G 2,68T 0 0 0 0
tank2 44,3G 2,68T 0 0 0 0
tank2 44,8G 2,67T 0 0 0 0
tank2 45,3G 2,67T 0 0 0 0
tank2 45,7G 2,67T 0 0 0 0
tank2 46,1G 2,67T 0 0 0 0
tank2 46,5G 2,67T 0 0 0 0
tank2 47,0G 2,67T 0 0 0 0
tank2 47,5G 2,67T 0 0 0 0
tank2 47,8G 2,67T 0 0 0 0
tank2 48,2G 2,67T 0 0 0 0
tank2 48,6G 2,67T 0 0 0 0
tank2 49,0G 2,67T 0 0 0 0
tank2 49,3G 2,67T 0 0 0 0
tank2 49,8G 2,67T 0 0 0 0
tank2 50,3G 2,67T 0 0 0 0
tank2 50,8G 2,67T 0 0 0 0
tank2 51,1G 2,67T 0 0 0 0
tank2 51,5G 2,67T 0 0 0 0
tank2 52,0G 2,67T 0 0 0 0
tank2 52,4G 2,67T 0 0 0 0
tank2 52,8G 2,67T 0 0 0 0
tank2 53,3G 2,67T 0 0 0 0
tank2 53,7G 2,67T 0 0 0 0
tank2 54,1G 2,67T 0 0 0 0
tank2 54,3G 2,67T 0 0 0 0
tank2 54,6G 2,67T 0 0 0 0
tank2 54,8G 2,67T 0 0 0 0
tank2 55,3G 2,66T 0 0 0 0
tank2 55,8G 2,66T 0 0 0 0
tank2 56,1G 2,66T 0 0 0 0
tank2 56,6G 2,66T 0 0 0 0
tank2 57,1G 2,66T 0 0 0 0
tank2 57,4G 2,66T 0 0 0 0
tank2 57,9G 2,66T 0 0 0 0
tank2 58,4G 2,66T 0 0 0 0
tank2 58,9G 2,66T 0 0 0 0
tank2 59,2G 2,66T 0 0 0 0
tank2 59,7G 2,66T 0 0 0 0
^C
>How-To-Repeat:
Create two zpool.
In the first a few zfs volume.
Start data transfer through the zfs snapshots
>Fix:
>Release-Note:
>Audit-Trail:
>Unformatted:
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