Linux 主机报告严重空间分配错误

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适用场景

ONTAP 9
Linux
精简配置 LUN
SAN

问题描述

Linux 主机报告严重空间分配错误：

Jul 13 08:58:35 LINUX kernel: blk_update_request: critical space allocation error, dev sdce, sector 30148480

Jul 13 08:58:35 LINUX kernel: blk_update_request: critical space allocation error, dev dm-39, sector 30148480

EMS 显示卷（包含 LUN ）用尽可用空间：

Wed Jul 13 08:58:29 CEST [NETAPP-AFF700: wafl_exempt09: wafl.vol.full:notice]: Insufficient space on volume vol_test1@vserver:17e80469-c0f7-11ea-9dxx-00a098xxxxxx to perform operation. 44.0KB was requested but only 20.0KB was available.

df -h 在 NetApp 存储上，显示卷（包含 LUN ）已满：

Filesystem kbytes used avail capacity Mounted on

/vol/vol_test1/ 104857600 104655568 202032 100% /vol/vol_test1/

卷 /LUN 大小相等。卷上未启用 Auto_grow

::> vol show -fields autosize-mode vserver volume autosize-mode ---------- ------ ------------- svm1 vol_test1 off