<div dir="ltr"><div class="gmail_extra"><div class="gmail_quote">On Wed, Mar 2, 2016 at 6:41 PM, <a href="mailto:paf1@email.cz">paf1@email.cz</a> <span dir="ltr"><<a href="mailto:paf1@email.cz" target="_blank">paf1@email.cz</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div text="#000066" bgcolor="#FFFFFF">
Hi, next explanation<br>
VDSM log give me following message<br>
Is this live checking for storage availability ? If "SUCCESS" then
why "<err> " ???<br></div></blockquote><div><br></div><div>- SUCCESS means the command was successful</div><div>- <err> is what the command wrote to stderr, which is sometimes useful</div><div><br></div><div>This is indeed confusing and wrong - there is not need to log stderr of all commands</div><div>by default. In the case of this dd command, the read latency is reported later in repoStats</div><div>logs.</div><div><br></div><div>We will clean this in the future.</div><div><br></div><div>Nir</div><div><br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div text="#000066" bgcolor="#FFFFFF">
<br>
regs.<br>
Pavel<br>
<br>
Thread-233::DEBUG::2016-03-02
17:31:55,275::fileSD::262::Storage.Misc.excCmd::(getReadDelay)
SUCCESS: <err> = '0+1 records in\n0+1 records out\n346 bytes
(346 B) copied, 0.00022692 s, 1.5 MB/s\n'; <rc> = 0<br>
Thread-299::DEBUG::2016-03-02
17:31:57,870::fileSD::262::Storage.Misc.excCmd::(getReadDelay)
/usr/bin/dd
if=/rhev/data-center/mnt/glusterSD/localhost:_2KVM12__P4/300e9ac8-3c2f-4703-9bb1-1df2130c7c97/dom_md/metadata
iflag=direct of=/dev/null bs=4096 count=1 (cwd None)<br>
Thread-299::DEBUG::2016-03-02
17:31:57,886::fileSD::262::Storage.Misc.excCmd::(getReadDelay)
SUCCESS: <err> = '0+1 records in\n0+1 records out\n734 bytes
(734 B) copied, 0.000391403 s, 1.9 MB/s\n'; <rc> = 0<br>
Thread-209::DEBUG::2016-03-02
17:31:58,301::fileSD::262::Storage.Misc.excCmd::(getReadDelay)
/usr/bin/dd
if=/rhev/data-center/mnt/glusterSD/localhost:_1KVM12-BCK/0fcad888-d573-47be-bef3-0bc0b7a99fb7/dom_md/metadata
iflag=direct of=/dev/null bs=4096 count=1 (cwd None)<br>
Thread-209::DEBUG::2016-03-02
17:31:58,318::fileSD::262::Storage.Misc.excCmd::(getReadDelay)
SUCCESS: <err> = '0+1 records in\n0+1 records out\n335 bytes
(335 B) copied, 0.00048095 s, 697 kB/s\n'; <rc> = 0<br>
Thread-198::DEBUG::2016-03-02
17:31:58,885::fileSD::262::Storage.Misc.excCmd::(getReadDelay)
/usr/bin/dd
if=/rhev/data-center/mnt/installshare:_DATA3/7f334c9d-ac01-4b2a-9f29-af1d2f24c3e0/dom_md/metadata
iflag=direct of=/dev/null bs=4096 count=1 (cwd None)<br>
<br>
dist = RHEL - 7 - 2.1511<br>
kernel = 3.10.0 - 327.10.1.el7.x86_64<br>
KVM = 2.3.0 - 29.1.el7<br>
libvirt = libvirt-1.2.17-13.el7_2.3<br>
vdsm = vdsm-4.16.30-0.el7<br>
GlusterFS = glusterfs-3.7.8-1.el7<br>
</div>
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<br></blockquote></div><br></div></div>