Linux 主机丢失 LUN 路径,并显示 blk_clked_rq_check_limits 错误
适用场景
- AFF-A800
- ONTAP 9.6
- ONTAP 9.7
- 光纤通道( FC ) LUN
- RedHat Enterprise Linux ( RHEL ) 7.6
- RedHat Enterprise Linux ( RHEL ) 7.7
- Linux Unified Host Utilities 7.1
问题描述
RHEL 7.6 主机丢失 LUN 的路径,并记录以下多路径错误:
kernel:blk_cloned_rq_check_limits: over max size limit
存储VPD公布的传输长度 与主机使用的长度不同:
#sg_vpd -p /dev/sda
ONTAP
scsit_lu_1: scsiblade.invalid.xfer.len:notice]: Host type sent command opcode 0x2a with a transfer length of bytes, which exceeds the maximum of 1MB on LUN