Re: How to properly deal with NEAR FULL OSD

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ceph osd reweight <OSD_NUMBER> <WEIGHT>

<WEIGHT> must be between 0 and 1.

0.95 is a nice starting point, then go down with small steps.

 

 

Regards.

 

Dimitar Boichev

SysAdmin Team Lead

AXSMarine Sofia

Phone: +359 889 22 55 42

Skype: dimitar.boichev.axsmarine

E-mail: dimitar.boichev@xxxxxxxxxxxxx

 

From: ceph-users [mailto:ceph-users-bounces@xxxxxxxxxxxxxx] On Behalf Of Vlad Blando
Sent: Friday, February 19, 2016 3:31 AM
To: Don Laursen
Cc: ceph-users
Subject: Re: [ceph-users] How to properly deal with NEAR FULL OSD

 

I changed my volume PGs from 300 to 512 to even out the distribution, right now it is backfilling and remapping and I noticed that it's working.

 

---

osd.2 is near full at 85%

osd.4 is near full at 85%

osd.5 is near full at 85%

osd.6 is near full at 85%

osd.7 is near full at 86%

osd.8 is near full at 88%

osd.9 is near full at 85%

osd.11 is near full at 85%

osd.12 is near full at 86%

osd.16 is near full at 86%

osd.17 is near full at 85%

osd.20 is near full at 85%

osd.23 is near full at 86%

---

 

We will be adding a new node to the cluster after this.

 

Another question, I'de like to adjust the near full OSD warning from 85% to 90% temporarily. I cant remember the command.

 

 

@don

ceph df

---

[root@controller-node ~]# ceph df

GLOBAL:

    SIZE        AVAIL      RAW USED     %RAW USED

    100553G     18391G     82161G       81.71

POOLS:

    NAME        ID     USED       %USED     OBJECTS

    images      4      8927G      8.88      1143014

    volumes     5      18374G     18.27     4721934

[root@controller-node ~]#

---

 

 

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