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Support use of xrootd by HEP experiments

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Subject:
From:
Dan Riley <[log in to unmask]>
Reply To:
Support use of xrootd by HEP experiments <[log in to unmask]>
Date:
Fri, 27 Jan 2017 18:39:30 +0000
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You can also get "no space left on device" if you are out of inodes, so check "df -i", particularly check where the export namespace lives, as the symlink forest there can eat up a lot of inodes without taking up much space.

-dan

> On Jan 27, 2017, at 06:41, Adrian Sevcenco <[log in to unmask]> wrote:
> 
> Hi! I have a strange situation where i receive from time to time errors like this :
> 170127 13:21:18 18229 aliprod.14481:34@[::ffff:172.18.3.237] XrootdResponse: 0100 sending err 3009: Unable to create /home/aliprod/data/13/00751/b616b1c8-e482-11e6-98ad-779a6f1c6846; no space left on device
> 
> the thing is that i have plenty of space left :
> aliprod@storage02: server $ df -h | grep storage
> /dev/sda1       9.0T  8.8T  216G  98% /storage01
> /dev/sdb1       9.0T  8.8T  203G  98% /storage02
> 
> on the server i have this setting :
> aliprod@storage02: server $ grep alloc xrootd.xrootd.cf
> oss.alloc 20G 20 0
> 
> and on redirector i have :
> aliprod@rd: manager $ grep cms.space xrootd.xrootd.cf
> cms.space min 48g 16g
> 
> how can i debug why i get this errors?
> 
> Thank you!
> Adrian

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