由于卷已满、通过三端存储配置的LUN将变为脱机状态

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Category:: ontap-9

Specialty:: san<a>SAN</a><a>Trident</a><a>LUN脱机</a><a>、空间不足2009920002</a>

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适用场景

三项功能
SAN

问题描述

Linux 报告严重空间分配错误：

LINUX kernel: blk_update_request: critical space allocation error, dev xxx

Data ONTAP发送一条警报、指出一个三进位卷(ONTAP SAN后端)已满

ed Jan 24 13:33:22 +0800 [wafl_exempt13: wafl.vol.full:alert]: Insufficient space on volume c1_san_ssd_dc1_pvc_19a8fa1a_b8f1_4cd9_9fb8_xxxx@vserver:0b2a7d0a-0441-11ee-a219-xxxxxxxxxxx to perform operation. 72.0KB was requested but only 8.00KB was available.

卷和LUN由Trident根据以下规则自动提供：

ONTAP SAN配置选项和示例

总卷大小=[(PVC请求的大小)/(1 -(snapshotReserve百分比)/100)]* 1.1