On Wed, Mar 2, 2016 at 6:41 PM, paf1@email.cz <paf1@email.cz> wrote:
Hi, next explanation VDSM log give me following message Is this live checking for storage availability ? If "SUCCESS" then why "<err> " ???
- SUCCESS means the command was successful - <err> is what the command wrote to stderr, which is sometimes useful This is indeed confusing and wrong - there is not need to log stderr of all commands by default. In the case of this dd command, the read latency is reported later in repoStats logs. We will clean this in the future. Nir
regs. Pavel
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 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) 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 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) 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 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)
dist = RHEL - 7 - 2.1511 kernel = 3.10.0 - 327.10.1.el7.x86_64 KVM = 2.3.0 - 29.1.el7 libvirt = libvirt-1.2.17-13.el7_2.3 vdsm = vdsm-4.16.30-0.el7 GlusterFS = glusterfs-3.7.8-1.el7
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