Change in vdsm[master]: storage: set block schedule elevator using udev

Alon Bar-Lev alonbl at redhat.com
Fri Nov 9 16:10:55 UTC 2012


Alon Bar-Lev has posted comments on this change.

Change subject: storage: set block schedule elevator using udev
......................................................................


Patch Set 1: (1 inline comment)

Thanks! although the comment should not be in vdsm-elevator.sh as it does not actually set anything... it should be in the rule.

If you provide an exact wording I will prepare another version...

Draft:

 # NOTICE: this rule set the block scheduler elevator to deadline on all block device.
 # this is required for optimizing performance for vdsm operations.

....................................................
File vdsm/storage/vdsm-elevator.sh
Line 3: elevator="$1"
Line 4: scheduler="/sys/${DEVPATH}/queue/scheduler"
Line 5: 
Line 6: if [ -w "${scheduler}" ]; then
Line 7:     echo "${elevator}" >  "${scheduler}"
I can fix that... :)


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Gerrit-MessageType: comment
Gerrit-Change-Id: I0a8de1c861bf4570509599b6f47235ed38cc424d
Gerrit-PatchSet: 1
Gerrit-Project: vdsm
Gerrit-Branch: master
Gerrit-Owner: Alon Bar-Lev <alonbl at redhat.com>
Gerrit-Reviewer: Adam Litke <agl at us.ibm.com>
Gerrit-Reviewer: Alon Bar-Lev <alonbl at redhat.com>
Gerrit-Reviewer: Ayal Baron <abaron at redhat.com>
Gerrit-Reviewer: Barak Azulay <bazulay at redhat.com>
Gerrit-Reviewer: Dan Kenigsberg <danken at redhat.com>
Gerrit-Reviewer: Douglas Schilling Landgraf <dougsland at redhat.com>
Gerrit-Reviewer: Eduardo <ewarszaw at redhat.com>
Gerrit-Reviewer: Fabian Deutsch <fabiand at fedoraproject.org>
Gerrit-Reviewer: Federico Simoncelli <fsimonce at redhat.com>
Gerrit-Reviewer: Itamar Heim <iheim at redhat.com>
Gerrit-Reviewer: Juan Hernandez <juan.hernandez at redhat.com>
Gerrit-Reviewer: Mark Wu <wudxw at linux.vnet.ibm.com>
Gerrit-Reviewer: Saggi Mizrahi <smizrahi at redhat.com>


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